Science, New Series, Vol. 105, No. 2714, Jan. 3, 1947


Previous Issue: New Series, Vol. 104, No. 2713, Dec. 27, 1946
Next Issue: New Series, Vol. 105, No. 2715, Jan. 10, 1947


Volume Information (18 pp.)
Front Matter (6 pp.)
Development of Natural Resources: The Coming Technological Revolution on the Land, pp. 1-4
H. H. Bennett

Do Certain Drinking Waters Favor Dental Caries?, pp. 4-5
Henry Klein

News and Notes, pp. 6-12


Technical Papers
Vaginal Absorption of Penicillin, p. 13
John Rock; Robert H. Barker; W. Benjamin Bacon
Tumors in Intrasplenic Ovarian Transplants in Castrated Mice, pp. 13-15
Min Hsin Li; W. U. Gardner
Human Amino Acid Requirements, pp. 15-16
Robert A. Harte; John J. Travers
Sex Produced in the Protozoa of Cryptocercus by Molting, pp. 16-17
L. R. Cleveland
Hexosediphosphoric Acid in Living Yeast, pp. 17-18
Heikki Suomalainen; Evi Arhimo
Inactivation of Penicillins G and K by Liver and Kidney, pp. 18-19
Jay Tepperman; N. Rakieten; G. Valley; Edna W. Lyon


In the Laboratory
Measurements of Underwater Noise Produced by Marine Life, pp. 19-23
M. B. Dobrin
Portable Glycol Vaporizers for Air Disinfection, pp. 23-24
F. C. W. Olson; Edward Bigg; Burgess H. Jennings


Book Reviews
----------------, p. 25
Mental Disorders in Later Life
Oscar J. Kaplan
Review author[s]: William Malamud
----------------, pp. 25-26
Industrial and Commercial Geography
J. Russell Smith; M. Ogden Phillips
Review author[s]: Elizabeth W. Olmsted
----------------, p. 26
La pathologie des oiseaux
G. Lesbouyries
Review author[s]: Robert Cushman Murphy


Scientific Book Register, p. 26

Previous Issue: New Series, Vol. 104, No. 2713, Dec. 27, 1946
Next Issue: New Series, Vol. 105, No. 2715, Jan. 10, 1947



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Science, New Series, Vol. 105, No. 2715, Jan. 10, 1947


Previous Issue: New Series, Vol. 105, No. 2714, Jan. 3, 1947
Next Issue: New Series, Vol. 105, No. 2716, Jan. 17, 1947


Front Matter (4 pp.)
Elementary Theory of the Chain-Reacting Pile, pp. 27-32
Enrico Fermi

Work with Residual DDT Spray in Puerto Rico: A Report of the First Year's Work, pp. 32-33
Porter A. Stephens; Harry D. Pratt

Research or Available Knowledge: A Matter of Classification, pp. 34-36
Norman T. Ball


Obituary
Leo Černosvitov: 1902-1945, p. 36
Grace E. Pickford


News and Notes, pp. 37-40


Technical Papers
Hypervolemia in Mice Bearing Transplantable Granulosa Cell Tumors, p. 41
Jacob Furth; Harry Sobel
Streptomycin as an Aid in Isolating Influenza Virus, pp. 41-42
Albert P. McKee; Wm. M. Hale
Meteorite Impact Suggested by the Orientation of Shatter-Cones at the Kentland, Indiana, Disturbance, pp. 42-43
Robert S. Dietz
Evidence That the Hemolytic Anemia Caused by Fat and Choline is not Due to Lipotropic Action, pp. 43-44
John Emerson Davis
A Nonrespiratory Variant of Saccharomyces cerevisiae, pp. 44-45
Rita Whelton; H. J. Phaff
The Deposition of C14 in Bone, p. 45
William Bloom; Howard J. Curtis; Franklin C. McLean


In the Laboratory
Apparatus for Studying Crystal Formation, p. 46
R. M. Garrels; C. L. Jones; A. L. Howland
Antigenic Carbohydrate-Lipid Isolated from Paraffin-Oil Extract of Dead Tubercle Bacilli, pp. 46-47
Nine Choucroun
A Technique for Obtaining Quickly Permanent Mounts of Nonembedded Botanical Material, pp. 47-48
R. L. Steyaert
Fluorophotometric Determination of Rutin and Other Flavones, p. 48
Anthony J. Glazko; Foster Adair; Evangeline Papageorge; George T. Lewis
Metabolism Cages, p. 49
F. W. Kinard; R. N. Danielson; J. A. Warren
Sharp Interfacial Precipitin Reactions in Capillary Pipettes, pp. 49-50
Homer F. Swift
Warm Safranine for Plant Tissues, p. 50
Seymour Shapiro


Book Reviews
----------------, p. 51
The Diffraction of X-Rays and Electrons by Free Molecules
M. H. Pirenne
Review author[s]: L. O. Brockway
----------------, p. 51
Qualitative Analysis by Spot Tests: Inorganic and Organic Application
Fritz Feigl
Review author[s]: A. A. Benedetti-Pichler
----------------, pp. 51-52
Faune de l'Empire française
Review author[s]: J. C. Bradley


Scientific Book Register, p. 52

Previous Issue: New Series, Vol. 105, No. 2714, Jan. 3, 1947
Next Issue: New Series, Vol. 105, No. 2716, Jan. 17, 1947



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Science, New Series, Vol. 105, No. 2716, Jan. 17, 1947


Previous Issue: New Series, Vol. 105, No. 2715, Jan. 10, 1947
Next Issue: New Series, Vol. 105, No. 2717, Jan. 24, 1947


Front Matter (4 pp.)
Financing Cancer Research, pp. 53-57
E. V. Cowdry

Scientific Development of the Use of Human Resources: Progress in the Army Air Forces, pp. 57-60
John C. Flanagan

News and Notes, pp. 61-64


Technical Papers
The Polished Rocks of Cornudas Mountain, New Mexico, p. 65
Walter B. Lang
Vitamin C Content of Mexican Ornamental Plants, pp. 65-66
Francisco Giral; Luz Maria De La Torre
Experimental Argyrosis: II. Treatment of Rats Receiving Silver with 2,3-Dimercaptopropanol (BAL), p. 67
Charles T. Olcott; Walter F. Riker
The Movement of Substances through a Two-Phased Solution System, pp. 67-69
T. C. Broyer
The Effect of Streptomycin on the Oxygen Uptake of Eberthella Typhosa, p. 69
Ross S. Benham


In the Laboratory
The Assay of New Rich Natural Sources of Ascorbic Acid, p. 70
Jules Tuba; George Hunter; John A. Osborne
Autolyzed Brain Tissue as a Means of Facilitating Transmission of Experimental Poliomyelitis, pp. 70-72
Albert Milzer; Chester L. Byrd
Semiquantitative Determination of Traces of Uranium: A Fluorophotometric Method for Field Use, pp. 72-73
T. R. P. Gibb; Howard T. Evans
A Simple Resistance Thermometer for Blood-Temperature Measurements, pp. 73-75
Louis F. Drummeter; William G. Fastie
The Cultivation of Mammalian Liver Cells in Large Numbers, pp. 75-76
T. N. Harris; Susanna Harris


Book Reviews
----------------, p. 77
Electrical Engineering: Essential Theory and Typical Applications
Fred H. Pumphrey
Review author[s]: C. V. Christie
----------------, p. 77
Atomic and Free Radical Reactions: The Kinetics of Gasphase Reactions Involving Atoms and Organic Radicals
E. W. R. Steacie
Review author[s]: Henry E. Bent
----------------, pp. 77-78
Photography by Infrared: Its Principles and Applications
Walter Clark
Review author[s]: W. E. Forsythe


Scientific Book Register, p. 78

Previous Issue: New Series, Vol. 105, No. 2715, Jan. 10, 1947
Next Issue: New Series, Vol. 105, No. 2717, Jan. 24, 1947



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Science, New Series, Vol. 105, No. 2717, Jan. 24, 1947


Previous Issue: New Series, Vol. 105, No. 2716, Jan. 17, 1947
Next Issue: New Series, Vol. 105, No. 2718, Jan. 31, 1947


Front Matter (4 pp.)
The Machine, the Worker, and the Engineer, pp. 79-84
Robert K. Merton

The Federal Government and the Shortage of Scientific Personnel, pp. 84-88
Charles V. Kidd

News and Notes, pp. 89-92


Technical Papers
The Species Character of Cancer Cells, p. 93
Robert G. Green
New Concept of Competitive Inhibition of the Renal Tubular Excretion of Penicillin, pp. 94-95
Karl H. Beyer
Some Effects of O-Isopropyl N-Phenyl Carbamate upon Cereals, pp. 95-96
W. B. Ennis
Is Sterility Induced in Growing Rats on a Tryptophane-Deficient Diet?, pp. 96-97
Clarence P. Berg; Wayne G. Rohse
Cypress Domes, pp. 97-99
Robert O. Vernon


In the Laboratory
The Concentration and Preservation of Urinary Substances by Lyophilization, pp. 99-100
Harry B. Friedgood; Arie J. Haagen-Smit; Josephine B. Garst; Lotti Steinitz
Elementary Isotopic Analysis: Determination of Carbon, pp. 100-101
A. V. Grosse; A. D. Kirshenbaum; S. G. Hindin
Immobilizing Paramecia for Study in the Introductory Course, pp. 101-102
Karl A. Stiles; Dorothy A. Hawkins
The Purification of Diphtherial Toxoid, pp. 102-103
Louis Pillemer; David Toll
A Simple Anaerobic Method of Obtaining Plasma, p. 103
Horace W. Davenport
''Braking'' Pipettes, pp. 103-104
C. Lloyd Claff
A New-Type Atomizer for Large-Scale Application of 2, 4-D, pp. 104-105
C. L. Hamner; H. B. Tukey
Detection of Serum Agglutinins for Monilia and Other Yeast-Like Organisms, p. 105
R. F. Norris; A. J. Rawson


Book Reviews
----------------, p. 106
Allergy
Erich Urbach; Philip M. Gottlieb
Review author[s]: A. M. Targow
----------------, pp. 106-107
L'origine des cellules reproductrices et le problème de la lignée germinale and Continuité germinale et reproduction agame
L. Bounoure
Review author[s]: Charles Gurchot
----------------, p. 107
The Chemistry of Heterocyclic Compounds
Avery A. Morton
Review author[s]: Fred E. Sheibley
----------------, pp. 107-108
The Prolongation of Life
Alexander Bogomolets
Review author[s]: Ernst T. Krebs


Scientific Book Register, p. 108

Previous Issue: New Series, Vol. 105, No. 2716, Jan. 17, 1947
Next Issue: New Series, Vol. 105, No. 2718, Jan. 31, 1947



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Science, New Series, Vol. 105, No. 2718, Jan. 31, 1947


Previous Issue: New Series, Vol. 105, No. 2717, Jan. 24, 1947
Next Issue: New Series, Vol. 105, No. 2719, Feb. 7, 1947


Front Matter (4 pp.)
Work of Soviet Biologists: Theoretical Genetics, pp. 109-112
N. P. Dubinin

Ultrashort Application Time of Penetrating Electrons: A Tool for Sterilization and Preservation of Food in the Raw State, pp. 112-117
Arno Brasch; Wolfgang Huber

News and Notes, pp. 117-122


Technical Papers
Differences in Physiological Activity in Brown and White Fat as Revealed by Histochemical Reactions, p. 123
Don W. Fawcett
High-Efficiency Counting of Long-Lived Radioactive Carbon as CO2, pp. 123-125
Warren W. Miller
Effect of Flavonols on the Bacteriostatic Action of Dicoumarol, pp. 125-126
Joseph Naghski; Michael J. Copley; James F. Couch
The Production of Experimental Pellagra by Adenine, pp. 126-127
Sigwin B. Raska
Elasticity of the Aortic Wall, p. 127
Allen L. King
Undifferentiated Growth of Orchid Embryos on Media Containing Barbiturates, p. 128
John T. Curtis
The Inhibitory Effect of Sodium Dodecyl Sulfate upon the Gastric Secretory Response to Histamine, pp. 128-129
Harry Shay; S. A. Komarov; Herman Siplet


In the Laboratory
An Apparatus for the Quantitative Separation of Volatile Substances by Fractionation and Distillation, p. 130
W. Riley McGaughran; S. C. Werch
Stability of Penicillin in Glycerin and in Glycols, pp. 130-131
R. J. Ferlauto; H. A. Clymer
A Simplified Method of Preparing Active Extracts of B-Glucuronidase, pp. 131-132
William H. Fishman; Paul Talalay
Frequency Analysis of Electroencephalograms, pp. 132-134
Frederic A. Gibbs; A. M. Grass


Book Reviews
----------------, pp. 134-135
Science, Liberty and Peace
Aldous Huxley
Review author[s]: R. T. Cox
----------------, p. 135
Butalastic Polymers: Their Preparation and Applications. A Treatise on Synthetic Rubbers
Frederick Marchionna
Review author[s]: H.L. Trumbull
----------------, pp. 135-136
The Production of Tobacco
Wightman W. Garner
Review author[s]: F. A. Wolf
----------------, p. 136
Notes on Microscopical Technique for Zoologists
C. F. A. Pantin
Review author[s]: George R. La Rue


Scientific Book Register, p. 136

Previous Issue: New Series, Vol. 105, No. 2717, Jan. 24, 1947
Next Issue: New Series, Vol. 105, No. 2719, Feb. 7, 1947



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Science, New Series, Vol. 105, No. 2719, Feb. 7, 1947


Previous Issue: New Series, Vol. 105, No. 2718, Jan. 31, 1947
Next Issue: New Series, Vol. 105, No. 2720, Feb. 14, 1947


Front Matter (4 pp.)
Thomas A. Edison: Sketch of Activities, 1874-1881, pp. 137-141
Norman R. Speiden

Thomas A. Edison and the Founding of Science: 1880, pp. 142-148
Thomas A. Edison and the Naval Research Laboratory, pp. 148-150
A. Hoyt Taylor

The Nature and Development of Operations Research, pp. 150-153
Charles Kittel

Patent Policies in Educational Institutions and Nonprofit Research Organizations, pp. 154-155
Archie M. Palmer

News and Notes, pp. 155-159


Comments by Reader's
Pennsylvania State College is to be Congratulated for Establishing a Laboratory of Applied Geophysics and Geochemistry, p. 160
H. B. Hass
Fundamental Objectives to an Organized Program of Cancer Research, p. 160
K. S. Pilcher


Book Reviews
----------------, p. 161
Women in Industry: Their Health and Efficiency
Anna M. Baetjer
Review author[s]: Josef Brožek
----------------, pp. 161-162
Enzymes and Their Role in Wheat Technology
J. Ansel Anderson
Review author[s]: W. Farnsworth Loomis
----------------, p. 162
The People Look at Radio
Paul F. Lazarsfeld; Harry Field
Review author[s]: Quinn McNemar


Scientific Book Register, p. 162

Previous Issue: New Series, Vol. 105, No. 2718, Jan. 31, 1947
Next Issue: New Series, Vol. 105, No. 2720, Feb. 14, 1947



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Science, New Series, Vol. 105, No. 2720, Feb. 14, 1947


Previous Issue: New Series, Vol. 105, No. 2719, Feb. 7, 1947
Next Issue: New Series, Vol. 105, No. 2721, Feb. 21, 1947


Front Matter (4 pp.)


Association Affairs
Harlow Shapley: President of AAAS, 1947, p. 163
Otto Struve
Anesthesia's Second Power: Probing the Mind, pp. 164-166
Henry K. Beecher
The International Congress for Applied Mechanics: Paris, September 22-29, 1946, pp. 167-169
Hugh L. Dryden
The Organization of Arthropod Cuticle: A Modified Interpretation, pp. 170-171
A. Glenn Richards


News and Notes, pp. 171-174


Comments by Readers
E. V. Cowdry Presented an Excellent Case for More Adequate Support of Cancer Research by the Federal Government, p. 175
The Possible Role of the Guppy, Lebistes reticulatus, on the Biological Control of Schistosomiasis mansoni, p. 175


Technical Papers
Synthetic Caffeine, p. 176
Charles C. Scott; E. Brown Robbins; K. K. Chen
Visibility of the Deer Fly in Flight, pp. 176-177
Elek Ludvigh
Production of Yellow Bean Mosaic in Beans by Virus from Mottled Gladiolus, pp. 177-178
F. P. McWhorter; Lytton Boyle; B. F. Dana
Production and Treatment of Hepatitis with Focal Necrosis of the Liver in White Mice, pp. 178-179
Paul Engel
Forty-Five Years of Continuous Cropping with Lima Beans, pp. 179-180
Francis L. Smith; A. H. Holland; John H. MacGillivray
Role of the Axis Cylinder in Transport of Tetanus Toxin, pp. 180-181
Paul G. Roofe
Therapy of Experimental Tsutsugamushi Disease (Scrub Typhus), pp. 181-182
W. F. McLimans; C. W. Grant
Insecticidal Action of 1-Trichloro-2,2-Bis-(p-Bromophenyl) Ethane (Colorado 9), pp. 182-183
George M. List; Merle G. Payne
Lesions of the Pancreatic Islets Produced in Cats by Administration of Glucose, p. 183
F. C. Dohan; F. D. W. Lukens


In the Laboratory
A Technique for Aeration of Sterile Liquid Culture Medium, p. 184
Gordon E. Hunt
Studies on the Stability of Streptomycin in Solution, pp. 184-185
E. J. Oswald; J. K. Nielsen
A New Type of Electroencephalographic Electrode Coordinator with Semipermanent Electrodes, pp. 185-186
Marvin A. Buffington; Andre A. Weil
Briquettes with Labels, pp. 186-187
Ernest E. Fairbanks
Ultraviolet Radiation as a Means of Sterilizing Tissue Culture Materials, pp. 187-188
J. Gordon Carlson; Alexander Hollaender; Mary Esther Gaulden
The Production of Phenocopies in Drosophila Using Visible Light and a Photodynamic Dye, pp. 188-189
Claude A. Villee; George I. Lavin
A Qualitative Test for Penicillin, p. 189
Frederick Kavanagh


Book Reviews
----------------, p. 190
Patterns of Mammalian Reproduction
S. A. Asdell
Review author[s]: Emil Witschi
----------------, p. 190
Microcalorimetry
W. Swietoslawski
Review author[s]: Frank T. Gucker

Previous Issue: New Series, Vol. 105, No. 2719, Feb. 7, 1947
Next Issue: New Series, Vol. 105, No. 2721, Feb. 21, 1947



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Science, New Series, Vol. 105, No. 2721, Feb. 21, 1947


Previous Issue: New Series, Vol. 105, No. 2720, Feb. 14, 1947
Next Issue: New Series, Vol. 105, No. 2722, Feb. 28, 1947


Front Matter (4 pp.)
Proposed National Science Foundation Act, 1947: S. 526, pp. 191-194
H. Alexander Smith; Guy Cordon; Chapman Revercomb; Leverett Saltonstall; Warren G. Magnuson; J. W. Fulbright

The Shortage of Scientific Personnel, pp. 195-198
Henry Allen Moe

First Report of the U. S. Atomic Energy Commission, pp. 199-204
David E. Lilienthal; Robert F. Bacher; Sumner T. Pike; Lewis L. Strauss; William W. Waymack

News and Notes, pp. 205-207


Technical Papers
Synthesis of Tyrosine Labeled with C14, p. 208
James C. Reid
Chromatolytic Effect of Cerebrospinal Fluid Following Cerebral Concussion, p. 208
E. A. Spiegel; M. Spiegel-Adolf; H. T. Wycis
Stimulation of Oleoresin Flow in Pines by a Fungus, p. 209
George H. Hepting
Electrometric Studies in Women with Malignancy of Cervix Uteri, pp. 209-210
Louis Langman; H. S. Burr
The Effect of Combining Sodium Benzoate with Oral Penicillins, pp. 210-211
Earle H. Spaulding; Amedeo Bondi; Elizabeth Early
Action of Thiamine Applied Directly to the Cerebral Cortex, pp. 211-213
M. Vianna Dias
Bacillary Dysentery and Chronic Ulcerative Colitis in World War II, p. 213
Joseph Felsen; William Wolarsky


In the Laboratory
The Maceration of Woody Tissue with Acetic Acid and Sodium Chlorite, p. 214
Walter E. Spearin; Irving H. Isenberg
A Tunnel Clamp for Use in Controlling Infusion Rates, pp. 214-215
Stanley E. Bradley
An Improved Alcohol Check for Rat Metabolism Apparatus, pp. 215-216
Irving Goodman; R. G. Gustavson
A Simplified Encephalophone, p. 216
Matthew Conrad; Bernard L. Pacella

Previous Issue: New Series, Vol. 105, No. 2720, Feb. 14, 1947
Next Issue: New Series, Vol. 105, No. 2722, Feb. 28, 1947



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Science, New Series, Vol. 105, No. 2722, Feb. 28, 1947


Previous Issue: New Series, Vol. 105, No. 2721, Feb. 21, 1947
Next Issue: New Series, Vol. 105, No. 2723, Mar. 7, 1947


Front Matter (4 pp.)
Biotechnology: A New Fundamental in the Training of Engineers, pp. 217-219
Craig L. Taylor; L. M. K. Boelter

Technological Gains and Their Uses: A Review of Some Recent Economic Changes, pp. 220-223
Frederick C. Mills


Obituary
James Hopwood Jeans: 1877-1946, pp. 224-226
S. Chandrasekhar
Boston Meeting Statistics, p. 226
John M. Hutzel


News and Notes, pp. 227-232


Comments by Readers
Mathematical Cuneiform Texts, p. 232
The Darkening of Fruits and Vegetables, p. 232


Technical Papers
Comparative Toxicity of DDT Isomers and Related Compounds to Mosquito Larvae and Fish, pp. 233-234
Joseph M. Ginsburg
The Functions of the Intercortical Neurones in Sensorimotor Coordination and Thinking in Man, pp. 234-235
Karl U. Smith
Penicillin Site of Action, pp. 235-236
C. J. Cavallito
Leptospiral Infection among Rodents in Micronesia, p. 236
Joseph E. Alicata


In the Laboratory
Chemical Sterilization of Bacteriological Media by means of Mercuric Oxycyanide and Subsequent Inactivation of the Mercurial by Thioglycolate, p. 237
N. Grossowicz; D. Kaplan
A Spray Mixture Useful for Thinning Apples after Bloom, p. 238
A. L. Kenworthy
Cross-Sections of Undistorted Human Hair, p. 238
Stanley Marion Garn
Stability of Crystalline Sodium Penicillin G, p. 239
Bernard Berk; Beulah M. Shepard; Charles Glaser
An Operative Approach to the Treatment of Schistosomiasis mansoni Infections, pp. 239-240
J. Leonard Brandt
Radiographs with C14, pp. 240-241
A. V. Grosse; J. C. Snyder


Book Reviews
----------------, p. 242
Early Ambulation and Related Procedures in Surgical Management
Daniel J. Leithauser
Review author[s]: W. Wayne Babcock
----------------, p. 242
Functional Anatomy of the Mammal
W. James Leach
Review author[s]: Kenneth L. Duke


Scientific Book Register, p. 242

Previous Issue: New Series, Vol. 105, No. 2721, Feb. 21, 1947
Next Issue: New Series, Vol. 105, No. 2723, Mar. 7, 1947



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Science, New Series, Vol. 105, No. 2723, Mar. 7, 1947


Previous Issue: New Series, Vol. 105, No. 2722, Feb. 28, 1947
Next Issue: New Series, Vol. 105, No. 2724, Mar. 14, 1947


Front Matter (4 pp.)
The Chemical Production of Mutations, pp. 243-247
C. Auerbach; J. M. Robson; J. G. Carr


Obituary
Henry Helm Clayton: 1861-1946, pp. 247-248
Sterling P. Fergusson; Charles F. Brooks


Officers of the AAAS, 1947, p. 248
News and Notes, pp. 249-251


Comments by Readers
Punch Cards and Tabulating Machines, p. 252
Chronic Vitamin B1 Deprivation in Litters of Dogs, p. 252
Radioactive Isotopes of Element 43, p. 252


Comparison of the Provisions of S. 525 and S. 526, pp. 253-254


Technical Papers
Effect of Urethane on Mouse Myelogeno Us Leukemia, pp. 255-256
Ruby M. Engstrom; Arthur Kirschbaum; Harry W. Mixer
The Role of Arsenic in the Production of Alcoholic Polyneuritis, p. 256
Madelaine R. Brown; Jane L. Hastings
Mass Mortality of Marine Animals on the Lower West Coast of Florida, November 1946-January 1947, pp. 256-257
Gordon Gunter; F. G. Walton Smith; Robert H. Williams
The Glyceride Structure of Natural Fats, pp. 257-259
K. F. Mattil; F. A. Norris
Effect of Vitamin B Complex on Inactivation of Estrone in vivo and in vitro, pp. 259-260
Bernhard Zondek; Michael Finkelstein
Feeding of Oysters in Relation to Density of Microorganisms, pp. 260-261
V. L. Loosanoff; J. B. Engle
Antagonistic Effect of Corynebacterium diphtheriae gravis, pp. 261-262
J. N. DeLamater; R. J. Goodlow
Mechanism of Sex Determination, p. 262
Leonard Walker


In the Laboratory
Effects of X-Radiation on Thymus Nucleic Acid, pp. 263-264
Babette Taylor; Jesse P. Greenstein; Alexander Hollaender
An Improved Oxygen Absorption Bulb for the Carpenter-Haldane Gas Analysis Apparatus, p. 264
Irving Goodman; R. G. Gustavson
A Mercury Switch for Thermocouples, p. 265
Donald Ray Martin
Carbon 14 Production from Ammonium Nitrate Solution in the Chain-Reacting Pile, pp. 265-267
L. D. Norris; Arthur H. Snell
A New Method of Recording Arterial Blood Pressure, p. 267
John R. Braunstein; William G. Brosene; Frank Ablendi; Robert S. Green; Victor Strauss; Virgil Hauenstein; Harold J. Kersten


Book Reviews
----------------, p. 268
The Trematoda: With Special Reference to British and Other European Forms
Ben Dawes
Review author[s]: Charles H. Willey


Scientific Book Register, p. 268

Previous Issue: New Series, Vol. 105, No. 2722, Feb. 28, 1947
Next Issue: New Series, Vol. 105, No. 2724, Mar. 14, 1947



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Science, New Series, Vol. 105, No. 2724, Mar. 14, 1947


Previous Issue: New Series, Vol. 105, No. 2723, Mar. 7, 1947
Next Issue: New Series, Vol. 105, No. 2725, Mar. 21, 1947


Front Matter (4 pp.)
Programs for Medicine and National Health in the USSR, pp. 269-273
Stuart Mudd

Chemical Research Conferences, 1947: Colby Junior College, New London, New Hampshire, June 16--August 22, pp. 274-276
W. George Parks

News and Notes, pp. 277-281


Comments by Readers
Elementary Zoology Books and Descriptive Handbooks, p. 282
The Issue of Science for August 2, 1946, p. 282


Technical Papers
Effects of 2,4-D on Seed Germination and Respiration, pp. 283-285
Y. L. Hsueh; C. H. Lou
Prevention of Respiratory Embarrassment in Therapeutic Curarized Convulsions, pp. 285-286
Matthew Brody
Photoinactivation of Milk Fat Lipase and the Origin of Bitter Flavor in Milk, pp. 286-287
Vladimir N. Krukovsky
The Origin and Evolution of Meiosis, pp. 287-289
L. R. Cleveland
Are Lake Salmon Hereditarily Distinct?, pp. 289-290
A. G. Huntsman
Role of Glucose in Promoting Growth of Lactobacilli in Saliva, p. 290
David Weisberger


In the Laboratory
High-Frequency Dielectric Heating in Heterogeneous Catalysis, p. 291
V. I. Komarewsky
Method for Differential Staining of Mycorrhizal Roots, pp. 291-292
L. W. R. Jackson
A Blood Test for Estimating the Week of Pregnancy, pp. 292-293
Ernest W. Page
A Moist Chamber for Nerve-Muscle Experiments, p. 294
F. A. Waterman
Homogenization of Sputum Specimens with a Paint-Conditioning Machine, pp. 294-295
C. Eugene Woodruff
Estimation of Coenzyme I through the Uptake of Oxygen, p. 295
P. S. Krishnan


Book Reviews
----------------, p. 296
Practical Chemistry for Medical Students
William Klyne
Review author[s]: John C. Krantz
----------------, p. 296
The Methods of Plane Projective Geometry Based on the Use of General Homogeneous Coordinates
E. A. Maxwell
Review author[s]: E. P. Lane


Scientific Book Register, p. 296

Previous Issue: New Series, Vol. 105, No. 2723, Mar. 7, 1947
Next Issue: New Series, Vol. 105, No. 2725, Mar. 21, 1947



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Science, New Series, Vol. 105, No. 2725, Mar. 21, 1947


Previous Issue: New Series, Vol. 105, No. 2724, Mar. 14, 1947
Next Issue: New Series, Vol. 105, No. 2726, Mar. 28, 1947


Front Matter (4 pp.)
A National Science Foundation, pp. 297-299
William C. Foster

A National Science Foundation, pp. 299-302
James B. Conant

A National Science Foundation, pp. 302-305
Vannevar Bush

Programs for Medicine and National Health in the USSR, pp. 306-309
Stuart Mudd

News and Notes, pp. 310-311


Technical Papers
Antiseptic Action of Glycerite of Hydrogen Peroxide on Mycobacterium tuberculosis (var. hominis), pp. 312-313
Ethan Allan Brown; L. W. Slanetz
Depletion of Vitamin A Reserves in the Livers of Cattle, p. 313
Paul R. Frey; Rue Jensen
Thromboplastic Properties of Penicillin and Streptomycin, pp. 313-314
David I. Macht
Activity of Protein Synthesis by the Intestine, pp. 314-315
Felix Friedberg
Lipoid Substance in the Cells of Proximal Convoluted Tubules of the Kidneys of Young Rats on a Choline-Deficient Diet, p. 315
W. Stanley Hartroft; C. H. Best
Quick Decline of Orange Trees--A Virus Disease, pp. 315-316
J. M. Wallace; H. S. Fawcett
A Quantitative Study of the Complement-Hemolysin Relation, pp. 316-317
John F. Kent
Reduction in the Vital Capacity of Asthmatic Subjects Following Exposure to Aerosolized Pollen Extracts, p. 317
Francis C. Lowell; Irving W. Schiller


In the Laboratory
A Method for Reclaiming Dried Zoological Specimens, p. 318
Harley J. Van Cleave; Jean A. Ross
Vacuum Infiltration as a Method for Determining Enzymic Activity in vivo, pp. 318-320
G. Krotkov
Action of Subtilin in Reducing Infection by a Seed-Borne Pathogen, pp. 320-321
J. J. Goodman; A. W. Henry


Book Reviews
----------------, p. 322
Human Genetics
Reginald Ruggles Gates
Review author[s]: C. W. Cotterman

Previous Issue: New Series, Vol. 105, No. 2724, Mar. 14, 1947
Next Issue: New Series, Vol. 105, No. 2726, Mar. 28, 1947



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Science, New Series, Vol. 105, No. 2726, Mar. 28, 1947


Previous Issue: New Series, Vol. 105, No. 2725, Mar. 21, 1947
Next Issue: New Series, Vol. 105, No. 2727, Apr. 4, 1947


Front Matter (4 pp.)
Cosmic Radiation and Cancer, pp. 323-325
Frank H. J. Figge

Does Patent Consciousness Interfere with Cooperation between Industrial and University Research Laboratories?, pp. 326-327
L. A. Hawkins

Theory of Reactions of Cells to Goitrogenic Thiopyrimidines, pp. 327-328
Louis Laufer; Earl D. Stewart

News and Notes, pp. 329-332


Comments by Readers
The Conference of Representatives, p. 333
Dr. Pilcher's Reply, p. 333
Many Reasons for Attending Scientific Meetings, p. 333


Technical Papers
Control of Cracking of Fruit by Rain, pp. 334-335
W. L. Powers; W. B. Bollen
Methionine Metabolism and a-Aminobutyric Acid, pp. 335-336
Charles E. Dent
Failure to Produce Neoplasms in Rats by Feeding Heated Wheat-Germ Oil, p. 336
Charles Hoffman; Gaston Dalby; K. George Falk; Grace McGuire
The Occurrence of Two Fertile Florets in the Spikelets of Chloris, pp. 336-337
Mildred P. Mauldin
Translocation of a Radioactive Plant-Growth Regulator in Bean and Barley Plants, pp. 337-339
John W. Wood; J. W. Mitchell; George W. Irving


In the Laboratory
Inactivation of 2,4-D by Adsorption on Charcoal, p. 340
E. H. Lucas; C. L. Hamner
Pilometric Measurements and the Rheological Properties of Hair, pp. 340-342
Alfred Lewin Copley
A New Method for the Direct Recording of Prolonged Time-Dependent Processes, pp. 342-344
Wolf Von Wittern
Experimental Production of Anti-Rh Sera by the Use of Human Erythrocyte Stromata, pp. 344-345
Fred W. Gallagher; George P. Pillischer


Book Reviews
----------------, pp. 345-346
Principles of Radar
Members of the Staff
Review author[s]: Edwin R. Sanders
----------------, p. 346
Lectures on the Calculus of Variations
Gilbert A. Bliss
Review author[s]: T. Radó


Scientific Book Register, p. 346

Previous Issue: New Series, Vol. 105, No. 2725, Mar. 21, 1947
Next Issue: New Series, Vol. 105, No. 2727, Apr. 4, 1947



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Previous Issue: New Series, Vol. 105, No. 2726, Mar. 28, 1947
Next Issue: New Series, Vol. 105, No. 2728, Apr. 11, 1947


Front Matter (6 pp.)
Mechanism of the Invasiveness of Cancer, pp. 347-348
Dale Rex Coman

Artificial Radioactive Tracers: Applications to Chemistry and Medicine, pp. 349-354
Glenn T. Seaborg

News and Notes, pp. 355-359


Comments by Readers
The Announcement of the 6th International Congress of Experimental Cytology, p. 360
Sally Hughes-Schrader
Interesting Calculations of the Unequal Distribution of Diffusible Non-Electrolytes across a Membrane, p. 360
David I. Hitchcock
A Footnote to Henry K. Beecher's Interesting Article on ''Anesthesia's Second Power,'', p. 360
John F. Dashiell
The Article by Haley and Flesher, p. 360
Joseph F. Bicak


Technical Papers
Cinephotomicroscopy of Normal Blood Circulation in the Cheek Pouch of the Hamster, pp. 361-362
George P. Fulton; Ruby G. Jackson; Brenton R. Lutz
Vascular Changes in the Wings of Bats, pp. 362-363
Raymond B. Cowles
Carbon and Hydrogen in Rubber Hydrocarbon, pp. 363-364
Henry J. Wing
Variation among Lamb Carcasses in the B Vitamin Content of Meat, pp. 364-365
Sylvia Cover; Esther M. Dilsaver; Rene M. Hays
The Effects of Cytochrome C in Anoxia, pp. 365-366
I. Herbert Scheinberg; H. O. Michel
Effects of Ultraviolet Radiation on Visual Thresholds, p. 366
Ernst Wolf


In the Laboratory
Determination of World Plant Formations from Simple Climatic Data, pp. 367-368
L. R. Holdridge
Detection of Hypoglycemic Reactions in the Mouse Assay for Insulin, pp. 368-369
D. M. Young; A. H. Lewis
Apparatus for Mustard Gas Treatment, p. 369
J. G. Carr
Acetone-Desiccated Adult Tissues as a Source of Cell Growth-Promoting Extracts, pp. 369-370
E. Margoliash
Oral Administration of Small Doses of Liquids to Laboratory Animals, pp. 370-371
C. A. Cabell


Book Reviews
----------------, p. 372
Trace Elements in Plants and Animals
Walter Stiles
Review author[s]: Daniel I. Arnon
----------------, p. 372
Gall Midges of Economic Importance
H. F. Barnes
Review author[s]: James A. Hyslop

Previous Issue: New Series, Vol. 105, No. 2726, Mar. 28, 1947
Next Issue: New Series, Vol. 105, No. 2728, Apr. 11, 1947



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Science, New Series, Vol. 105, No. 2728, Apr. 11, 1947


Previous Issue: New Series, Vol. 105, No. 2727, Apr. 4, 1947
Next Issue: New Series, Vol. 105, No. 2729, Apr. 18, 1947


Front Matter (4 pp.)
Fundamental Research in the Clinical Specialties, pp. 373-378
V. Everett Kinsey

Environment and Food Intake in Man, pp. 378-379
Robert E. Johnson; Robert M. Kark

The Terminology of Pollination, pp. 379-380
J. R. King; R. M. Brooks

News and Notes, pp. 381-385


Comments by Readers
New York's Colleges, p. 386
The Fauna of Joshua Tree National Monument, p. 386
The Action of Neutrons on Hafnium, p. 386
A New Laboratory Plant for the Study of Carbohydrate Metabolism, p. 386


Technical Papers
The Effect of Body Temperature on the Duration of Barbiturate Anesthesia in Mice, pp. 387-388
Frederick A. Fuhrman
Hyperheparinemia: Cause of the Hemorrhagic Syndrome Associated with Total Body Exposure to Ionizing Radiation, pp. 388-389
J. Garrott Allen; L. O. Jacobson
Treatment of Plutonium Poisoning by Metal Displacement, pp. 389-390
Jack Schubert
Effect of Temperature on the Growth and Sterility of Maize, pp. 390-391
Donald F. Jones
Failure of Sodium Salicylate to Inhibit Hyaluronidase in vitro, p. 391
Robert M. Pike
The Carcinogenic Action of Smegma, pp. 391-392
Alfred Plaut; Alice C. Kohn-Speyer


In the Laboratory
A Simple Laboratory Apparatus for the Demonstration of Cardiac Ballistics, pp. 393-394
Vernon E. Krahl
Control of Nosema Disease of Potato Tuber Worm, a Host Used in the Mass Production of Macrocentrus ancylivorus, pp. 394-395
H. W. Allen; M. H. Brunson
A Single Flashlight Source for Ultracentrifuge Research, pp. 395-396
Lionel L. Lipschultz; Kurt G. Stern
An Apparatus for the Determination of the Tensile Strength of Healing Wounds, pp. 396-397
Jesse Charney; Martin B. Williamson; Finn W. Bernhart


Book Reviews
----------------, p. 398
Analytical Method in Dynamics
H. O. Newboult
Review author[s]: Henry Margenau


Scientific Book Register, p. 398

Previous Issue: New Series, Vol. 105, No. 2727, Apr. 4, 1947
Next Issue: New Series, Vol. 105, No. 2729, Apr. 18, 1947



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Science, New Series, Vol. 105, No. 2729, Apr. 18, 1947


Previous Issue: New Series, Vol. 105, No. 2728, Apr. 11, 1947
Next Issue: New Series, Vol. 105, No. 2730, Apr. 25, 1947


Front Matter (4 pp.)
A Chemist's View of Nutrition, pp. 399-403
Leonard A. Maynard

Legislation Affecting Scientists in the Armed Forces, pp. 404-406
Herman S. Wigodsky

News and Notes, pp. 407-408


Technical Papers
Action of Substituted Salicylaldehydes on Bacteria and Fungi, pp. 409-410
Lloyd C. Felton; John H. Brewer
Prediction of Speed of Performance by Muscle Action Potentials, pp. 410-411
John L. Kennedy; Roland C. Travis
Recovery of Western Equine Encephalomyelitis Virus from Wild Bird Mites (Liponyssus sylviarum) in Kern County, California, pp. 411-412
W. C. Reeves; W. McD. Hammon; D. P. Furman; H. E. McClure; B. Brookman
Effect of 2,4-D on Bean Progeny Seedlings, p. 412
A. M. S. Pridham


In the Laboratory
Multiple Thermal Analyses, pp. 413-414
J. L. Kulp; Paul F. Kerr
Discrepancy in Analysis of Penicillin in Blood by the Oxford Cup Method as Revealed by the Paper Disc Technique, p. 414
Marion B. Sherwood; Edwin J. De Beer
A Simple Method for Studying Friction, pp. 414-415
Alva Turner
Thermostated Cell Compartment for the Beckman Spectrophotometer, pp. 415-416
Paul H. Bell; C. R. Stryker

Previous Issue: New Series, Vol. 105, No. 2728, Apr. 11, 1947
Next Issue: New Series, Vol. 105, No. 2730, Apr. 25, 1947



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Science, New Series, Vol. 105, No. 2730, Apr. 25, 1947


Previous Issue: New Series, Vol. 105, No. 2729, Apr. 18, 1947
Next Issue: New Series, Vol. 105, No. 2731, May 2, 1947


Front Matter (4 pp.)
International Exchanges, pp. 417-421
Robert B. Downs

The Army Medical Library, pp. 422-426
Richard Hood

News and Notes, pp. 427-432


Comments by Readers
The Effectiveness of DDT Residual House Spraying Against Anopheles albimanus, p. 432
The Excess of Male Births above the Theoretical Ratio of 50 per cent, p. 432


Technical Papers
The Cytological Effects of Podophyllin, p. 433
B. J. Sullivan; H. I. Wechsler
The Phosphorescence of Chlorophyll and Some Chlorin Derivatives, pp. 433-434
M. Calvin; G. D. Dorough
Rate of Vaporization of Sulfur, p. 434
F. M. Turrell
Effect of Streptomycin on the Metabolism of Certain Mycobacteria, p. 435
Frederick Bernheim; R. J. Fitzgerald
Suppression of Axillary Growth in Decapitated Tobacco Plants by Chemicals, pp. 435-436
Robert A. Steinberg
Crystalline Kitol, p. 436
F. B. Clough; H. M. Kascher; C. D. Robeson; J. G. Baxter


In the Laboratory
Production of Quantitative Infections with the Filariae of the Cotton Rat, p. 437
J. Allen Scott
A Simple Method for Administering Nebulized Penicillin, p. 437
David Glusker
An Interphase Analyzer of the Electroencephalogram, pp. 437-438
Harry Sonnemann; Margaret A. Kennard
Effective Copying of Kymographic Records, pp. 438-439
O. S. Gibbs
An Adaptable Three-Dimensional Graph Model, p. 439
James W. Brown


Book Reviews
----------------, p. 440
Introduction to Atomic Physics
Henry Semat
Review author[s]: Paul C. Aebersold
----------------, pp. 440-441
Explosion and Combustion Processes in Gases
Wilhelm Jost
Review author[s]: Bernard Lewis
----------------, p. 441
Basic Mathematics for Technical Courses
Clarence E. Tuites
Review author[s]: Rufus Oldenburger
----------------, pp. 441-442
Physical Chemistry
H. Hunt
Review author[s]: A. B. F. Duncan
----------------, p. 442
The Electronic Theory of Acids and Bases
W. F. Luder; Saverio Zuffanti
Review author[s]: Malcolm Dole
----------------, p. 442
Analytic Geometry and Calculus
John F. Randolph; Mark Kac
Review author[s]: Albert A. Bennett
----------------, pp. 442-443
Organic Reactions
Roger Adams
Review author[s]: J. G. Aston
----------------, p. 443
Smith's College Chemistry
William F. Ehret
Review author[s]: A. B. Garrett
----------------, p. 443
Practical Physiological Chemistry
P. B. Hawk; B. L. Oser; W. H. Summerson
Review author[s]: Benton B. Westfall
----------------, pp. 443-444
Advances in Carbohydrate Chemistry
W. W. Pigman; M. L. Wolfrom
Review author[s]: Joseph S. Butts
----------------, p. 444
Advances in Enzymology and Related Subjects of Biochemistry
F. F. Nord
Review author[s]: H. A. Mattill
----------------, pp. 444-445
Vitamins and Hormones: Advances in Research and Applications
Robert S. Harris; Kenneth V. Thimann
Review author[s]: James M. Hundley
----------------, p. 445
Medical Biochemistry
Mark R. Everett
Review author[s]: Emil G. Schmidt
----------------, pp. 445-446
Penicillin in Syphilis
Joseph Earle Moore
Review author[s]: Robert R. Kierland
----------------, p. 446
Biochemistry of Cancer
Jesse P. Greenstein
Review author[s]: Charles Huggins
----------------, pp. 446-447
Parenteral Alimentation in Surgery with Special Reference to Proteins and Amino Acids
Robert Elman
Review author[s]: Co Tui
----------------, p. 447
The Human Ear in Anatomical Transparencies
Stephen L. Polyak; Gladys McHugh; Delbert K. Judd
Review author[s]: T. H. Bast
----------------, p. 447
Ophthalmology in the War Years
Meyer Wiener
Review author[s]: Benjamin Sachs
----------------, p. 448
Adjustment to Physical Handicap and Illness: A Survey of the Social Psychology of Physique and Disability
Roger G. Barker
Review author[s]: W. B. Featherstone
----------------, pp. 448-449
A Psychology of Growth
Bert I. Beverly
Review author[s]: D. A. Worcester
----------------, p. 449
Human Factors in Air Transport Design
Ross A. McFarland
Review author[s]: A. C. Williams
----------------, pp. 449-450
Indians before Columbus: Twenty Thousand Years of North American History Revealed by Archaeology
Paul S. Martin; George I. Quimby; Donald Collier
Review author[s]: Gordon R. Willey
----------------, pp. 450-451
Trinidad Village
Melville J. Herskovits; Frances S. Herskovits
Review author[s]: John Gillin
----------------, p. 451
Fossil Vertebrates from Western North America and Mexico
E. L. Furlong
Review author[s]: Bobb Schaeffer
----------------, pp. 451-452
Mammals of Eastern Asia
G. H. H. Tate
Review author[s]: Karl P. Schmidt
----------------, p. 452
A Review of the North American Species of Philanthus, North of Mexico (Hymenoptera: Sphecidae)
R. W. Strandtmann
Review author[s]: J. C. Bradley
----------------, pp. 452-453
Forest Soils and Forest Growth
S. A. Wilde
Review author[s]: T. S. Coile
----------------, p. 453
Forest Soils
Harold J. Lutz; Robert F. Chandler
Review author[s]: Herbert A. Lunt
----------------, p. 453
General Horticulture
Thomas J. Talbert
Review author[s]: Frank H. Beach
----------------, p. 454
Synthetische Methoden der organischen Chemie
W. Theilheimer
Review author[s]: M. A. Spielman
----------------, pp. 454-455
Actions of Radiations on Living Cells
D. E. Lea
Review author[s]: U. Fano
----------------, p. 455
Fisica nucleare: dalla pila di Volta alla pila atomica
Plinius Campi; Aldo Rusconi
Review author[s]: Franco Rasetti
----------------, pp. 455-456
Relaxation Methods in Theoretical Physics
R. V. Southwell
Review author[s]: George Shortley
----------------, p. 456
Elementary Theory of Gas Turbines and Jet Propulsion
J. G. Keenan
Review author[s]: John C. Miles
----------------, p. 456
La scissione nucleare dell'uranio: fenomenologia generale
Emidio Prata
Review author[s]: Franco Rasetti

Previous Issue: New Series, Vol. 105, No. 2729, Apr. 18, 1947
Next Issue: New Series, Vol. 105, No. 2731, May 2, 1947



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Science, New Series, Vol. 105, No. 2731, May 2, 1947


Previous Issue: New Series, Vol. 105, No. 2730, Apr. 25, 1947
Next Issue: New Series, Vol. 105, No. 2732, May 9, 1947


Front Matter (4 pp.)
The Shortage of Scientific and Technical Personnel: What Industry Is Doing about It, pp. 457-461
Kenneth A. Meade

The Scope of Science, pp. 461-463
Robert M. Yerkes

On the Multiple Factor Theory of Respiratory Control as Outlined by Gray, pp. 463-466
Hugo Krueger; John Hunter

Reply to Krueger's Criticism of the Multiple Factor Theory, pp. 466-468
John S. Gray

Chemical Research Conferences, AAAS, 1947: Colby Junior College, New London, New Hampshire, June 16-August 22, pp. 468-470
W. George Parks

News and Notes, pp. 471-474


Comments by Readers
Biological Papers Involving Work in which a Centrifuge Is Used, p. 474


Technical Papers
Effect of Intraperitoneal Injection of Malignant Urine Extracts in Normal and Hypophysectomized Rats, pp. 475-476
Howard H. Beard; Bernard Halperin; Samuel A. Libert
Serum Phosphatases and Alloxan Diabetes, pp. 476-477
Max M. Cantor; Jules Tuba; Persis A. Capsey
The pH Stability of Viruses of Newcastle Disease and Fowl Plague, pp. 477-479
H. E. Moses; C. A. Brandly; E. Elizabeth Jones
Effect of Gamma Globulin on Circulating Human Complement, p. 479
George W. Waring; Louis Weinstein


In the Laboratory
False Disinfection Velocity Curves Produced by Quaternary Ammonium Compounds, pp. 480-481
Ernest C. McCulloch
The Maillard Reaction in Microbiological Assay, pp. 481-482
E. G. Hill; A. R. Patton
A Simple Method for Rearing Blowflies without Meat, p. 482
Hubert Frings

Previous Issue: New Series, Vol. 105, No. 2730, Apr. 25, 1947
Next Issue: New Series, Vol. 105, No. 2732, May 9, 1947



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Science, New Series, Vol. 105, No. 2732, May 9, 1947


Previous Issue: New Series, Vol. 105, No. 2731, May 2, 1947
Next Issue: New Series, Vol. 105, No. 2733, May 16, 1947


Front Matter (4 pp.)
An American Bridge to World Science, pp. 483-485
William Vogt

A New Class of Antifilarial Compounds, pp. 486-488
Arnold D. Welch; Lawrence Peters; Ernest Bueding; Arthur Valk; Aeme Higashi

Nomenclature of Parenteral Proteases, pp. 488-489
John H. Ferguson


Obituary
William Perry Hay: 1871-1947, p. 490
James G. Needham
Harris Perley Gould: 1871-1946, p. 490
George M. Darrow


News and Notes, pp. 491-495


Technical Papers
Chemotherapeutic Investigations of Cyanine Dyes, p. 496
L. G. S. Brooker; L. A. Sweet
Hereditary Obesity and Efficient Food Utilization in Mice, pp. 496-498
G. E. Dickerson; J. W. Gowen
A Serological Study of Influenzal Antibodies, pp. 499-500
Seymour S. Kalter; Orren D. Chapman; Doris A. Feeley
A Bacterial Disease of the Lobster (Homarus americanus), p. 500
S. F. Snieszko; C. C. Taylor


In the Laboratory
Improved Electrophoresis Cell and Cell Holder, pp. 501-502
Stanley M. Swingle
Administration of Micronized Therapeutic Agents by Inhalation or Topical Application, pp. 502-503
George V. Taplin; Fred A. Bryan
A Simple Device to Increase Background Contrast in Photomicrography, pp. 503-504
Roy J. Pence
Crystalline Dihydrate of Calcium Ascorbate, pp. 504-505
Simon L. Ruskin; Alice T. Merrill


Book Reviews
----------------, p. 506
Nieuwe biologische Principes: Inleiding tot de Genese van de Voortplanting
G. Wolda
Review author[s]: H. du Buy
----------------, p. 506
Radical Surgery in Advanced Abdominal Cancer
Alexander Brunschwig
Review author[s]: Richard B. Berlin


Scientific Book Register, p. 506

Previous Issue: New Series, Vol. 105, No. 2731, May 2, 1947
Next Issue: New Series, Vol. 105, No. 2733, May 16, 1947



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Science, New Series, Vol. 105, No. 2733, May 16, 1947


Previous Issue: New Series, Vol. 105, No. 2732, May 9, 1947
Next Issue: New Series, Vol. 105, No. 2734, May 23, 1947


Front Matter (4 pp.)
Science and Statecraft, pp. 507-510
Marshall H. Stone

Effects of an Antibiotic from Aspergillus fumigatus Fresenius on Tumor Cells in vitro, and Its Possible Identity with Gliotoxin, pp. 511-513
John G. Kidd

Electron Configurations of ``Rare-Earth'' Elements, pp. 514-516
William F. Meggers

News and Notes, pp. 517-521


Comments by Readers
The Prussian Academy of Sciences, p. 522
Biochemical Genetics, p. 522
A Routine Examination of Littoral Octopoda, p. 522


Technical Papers
Properties of Adsorbed Chlorophyll, pp. 523-524
H. C. Eyster
Daily Nitrogen Urinary Excretion in People of the Working Class of Caracas, pp. 524-525
Francisco De Venanzi
Heterologous Transplantation of Human Tumors, p. 525
Machteld E. Sano
Inhibition of Heating and Lipolysis in Seeds, pp. 525-527
Marjorie Z. Condon; F. R. Andrews; Madeline G. Lambou; A. M. Altschul
Hydrolysis by Carbitolic Caustic, pp. 527-528
R. Macy
Changes in Urinary Steroid Excretion and Correlated Metabolic Effects during Prolonged Administration of Adrenocorticotropic Hormone in Man, p. 528
George W. Thorn; F. T. Garnet Prunty; Peter H. Forsham


In the Laboratory
A Method for Measuring the Speed of Centrifuges, p. 529
F. R. Hunter; J. F. Hoffman
A Biologically Absorbable Surgical Glove Powder, pp. 529-530
John T. Correll; E. C. Wise
A Method of Drying Partial Protein Hydrolysates and Other Hygroscopic Materials for Nutritional Studies, p. 530
R. J. Westfall; O. Miller; I. S. Westfall
Synergistic Insecticides, pp. 530-531
Herman Wachs
Specific Surfaces of Bone, Apatite, Enamel, and Dentine, pp. 531-532
Noel V. Wood
Increasing the Spreading Coefficient of Mustard Gas, p. 532
Walter H. C. Rueggeberg

Previous Issue: New Series, Vol. 105, No. 2732, May 9, 1947
Next Issue: New Series, Vol. 105, No. 2734, May 23, 1947



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Science, New Series, Vol. 105, No. 2734, May 23, 1947


Previous Issue: New Series, Vol. 105, No. 2733, May 16, 1947
Next Issue: New Series, Vol. 105, No. 2735, May 30, 1947


Front Matter (4 pp.)
World Soil and Fertilizer Resources in Relation to Food Needs, pp. 533-538
Robert M. Salter

Modern Concepts of Inflammation, pp. 538-540
Valy Menkin


Obituary
John Lewis Sheldon: 1865-1947, p. 541
Earl L. Core
Philip W. Schutz: 1908-1947, p. 541
Kenneth S. Pitzer


News and Notes, pp. 542-545


Comments by Readers
Reply to Dr. Wright's Criticism, p. 546
Reply to Dr. Wright's Criticism, p. 546
An Oversight, p. 546


Technical Papers
Inability of Thymine to Substitute for Folic Acid in the Rat, pp. 547-548
H. G. Petering; R. A. Delor
Experimental Diabetes and Diet, pp. 548-549
B. A. Houssay; C. Martínez
Mechanism of the Antibiotic Action of Certain Quinones, pp. 549-550
Otto Hoffman-Ostenhof
Virus Hemagglutination, pp. 550-552
Max Bovarnick; Patrick M. De Burgh
Reconsideration of the Photosynthetic Mechanism in Chlorella, p. 552
Jack Myers; Marian L. Cramer


In the Laboratory
Methods for Increasing the Value of Hydra as Material in Teaching and Research, p. 553
Harold W. Chalkley; Helen D. Park
Electron Micrographs of X-Ray-Treated Escherichia coli Cells, pp. 553-555
A. Eisenstark; G. L. Clark
A Mirror Device for Studying Lower Surfaces of Small Objects Using a Dissecting Microscope, pp. 555-556
Richard S. Cowan
Saturation Concentrations of Triethylene Glycol Vapor at Various Relative Humidities and Temperatures, pp. 556-557
Henry Wise; Theodore T. Puck


Book Reviews
----------------, p. 557
The Operculate Land Mollusks of the Family Annulariidae of the Island of Hispanola and the Bahaman Archipelago
Paul Bartsch
Review author[s]: H. Burrington Baker
----------------, pp. 557-558
Performance Records of Individual Trees and Clones of Cinchona in Guatemala
John R. Shuman
Review author[s]: H. Arthur Meyer


Scientific Book Register, p. 558

Previous Issue: New Series, Vol. 105, No. 2733, May 16, 1947
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Science, New Series, Vol. 105, No. 2735, May 30, 1947


Previous Issue: New Series, Vol. 105, No. 2734, May 23, 1947
Next Issue: New Series, Vol. 105, No. 2736, Jun. 6, 1947


Front Matter (4 pp.)
Shall Biologists Set up a National Institute?, pp. 559-565
Robert F. Griggs

Research in Fundamental Biology and in Agriculture, pp. 565-567
H. B. Tukey

Possible Advantages of Cooperation between Societies in Publication, pp. 567-568
Ralph E. Cleland

News and Notes, pp. 569-573


Comments by Readers
Use of Sulfuric Acid-Dichromate Mixtures in Cleaning Glassware for Microbiological Experiments, p. 574
Large Amount of Space, pp. 574-575
Reflection on the Mechanism of Action of Chemotherapeutic Drugs, p. 575


Technical Papers
Radiocarbon from Cosmic Radiation, pp. 576-577
E. C. Anderson; W. F. Libby; S. Weinhouse; A. F. Reid; A. D. Kirshenbaum; A. V. Grosse
Fowl Spirochetosis Transmitted by Argas persicus (Oken), 1818 from Texas, p. 577
A. L. Burroughs
A Growth Inhibitor and a Growth Promotor in Sugar Cane, pp. 577-580
Charles J. Engard; Ayako H. Nakata
Comparative Nutritive Value of Casein and Lactalbumin for Man, p. 580
A. J. Mueller; Warren M. Cox


In the Laboratory
Simple Syringe Burette, pp. 581-582
P. F. Scholander
Improved Technique for Enumeration of Escherichia coli on Black Walnut Meats, p. 582
Arthur R. Colmer; H. D. Erickson
Cultivation of Microorganisms with the Aid of Cellophane Membranes, pp. 582-583
G. W. Harmsen; W. J. Kolff
Laboratory Test of Aviator's Ejection Seat, pp. 583-585
D. T. Watts; E. S. Mendelson; J. R. Poppen


Scientific Book Register, p. 586

Previous Issue: New Series, Vol. 105, No. 2734, May 23, 1947
Next Issue: New Series, Vol. 105, No. 2736, Jun. 6, 1947



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Previous Issue: New Series, Vol. 105, No. 2735, May 30, 1947
Next Issue: New Series, Vol. 105, No. 2737, Jun. 13, 1947


Front Matter (4 pp.)
Natural Selection and the Mental Capacities of Mankind, pp. 587-590
Th. Dobzhansky; M. F. Ashley Montagu

The Problems of Gerontology, pp. 590-592
Roy G. Hoskins

A Tax Credit Plan for Re-Establishing Private Support of Pure Science, pp. 593-594
Robert W. King

News and Notes, pp. 594-598


Comments by Readers
Invitations to the 6th International Congress of Experimental Cytology, p. 599
The Participation of Scientists from the Former Axis Countries, p. 599
Sally Hughes-Schrader Protests against the Exclusion of ``German and Japanese Colleagues'' from International Scientific Congresses, p. 599
The Processes of Evolution, p. 599


Technical Papers
Variations in the Normal Electroencephalogram during a Five-Year Period, pp. 600-601
George L. Engel; John Romano; Eugene B. Ferris
Ordovician Chazyan Classification in Vermont, p. 601
Marshall Kay; Wallace M. Cady
A Study of the Inner Bark and Cambial Zone of Black Spruce (Picea mariana B.S.P.), pp. 601-602
Ernest Anderson; W. W. Pigman


In the Laboratory
The Quantitative Chromatography of Silk Hydrolysate, pp. 603-604
A. Polson; V. M. Mosley; Ralph W. G. Wyckoff
Illuminator for Melting-Point Blocks, p. 604
Thomas J. Haley
Interference by ATP in the Estimation of Coenzyme I, pp. 604-605
P. S. Krishnan


Book Reviews
----------------, p. 606
The Collected Papers of C. S. Hudson
Raymond M. Hann; Nelson K. Richtmeyer
Review author[s]: Roger Adams
----------------, p. 606
X-Ray Diffraction Studies in Biology and Medicine
Mona Spiegel-Adolf; George C. Henny
Review author[s]: Richard S. Bear


Scientific Book Register, p. 606

Previous Issue: New Series, Vol. 105, No. 2735, May 30, 1947
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Previous Issue: New Series, Vol. 105, No. 2736, Jun. 6, 1947
Next Issue: New Series, Vol. 105, No. 2738, Jun. 20, 1947


Front Matter (4 pp.)
Chromosome Structure under the Electron Microscope, pp. 607-610
J. T. Buchholz

The First Pan-African Congress on Prehistory, pp. 611-613
Wendell Phillips


Obituary
Wilhelm Caspari: 1872-1944, p. 613
Ernest Schwartz; Robert Chambers
Willis Linn Jepson: 1867-1946, p. 614
Lincoln Constance


News and Notes, pp. 615-618


Comments by Readers
The Large and Segments of the Chromosomes of Ascaris, p. 619
The Activity of Hyaluronidase, p. 619
Anurans, p. 619


Technical Papers
Development of Streptomycin-Resistant Variants of Meningococcus, pp. 620-621
C. Phillip Miller; Marjorie Bohnhoff
Irritating Effects of 9,9-Dibromofluorene, p. 621
John R. Sampey; Anne B. King; Thomas A. Roe; S. J. Childress
d1- α -Amino- ε -Hydroxy Caproic Acid in the Rat, pp. 621-622
R. Gingras; Edouard Pagé; Roger Gaudry
Mechanism of Renin Tachyphylaxis--Restoration of Responsiveness by Tetraethyl Ammonium Ion, p. 622
Irvine H. Page; R. D. Taylor
Absence of a Macrocytic Anemia in Dogs Fed Choline or Choline Plus Fat, pp. 622-623
M. F. Clarkson; C. H. Best


In the Laboratory
An Automatic Recording Siphon, p. 624
E. William Ligon
A Low-Temperature Continuous Extractor, pp. 624-625
Merwin Moskowitz
An Alternate Method of Cleaning Mercury, p. 625
Leon Segal


Book Reviews
----------------, p. 626
Electrons (+ and -), Protons, Photons, Neutrons, Mesotrons, and Cosmic Rays
Robert A. Millikan
Review author[s]: Kenneth Greisen
----------------, p. 626
Bioelectric Fields and Growth
E. J. Lund
Review author[s]: Gordon Marsh

Previous Issue: New Series, Vol. 105, No. 2736, Jun. 6, 1947
Next Issue: New Series, Vol. 105, No. 2738, Jun. 20, 1947



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Science, New Series, Vol. 105, No. 2738, Jun. 20, 1947


Previous Issue: New Series, Vol. 105, No. 2737, Jun. 13, 1947
Next Issue: New Series, Vol. 105, No. 2739, Jun. 27, 1947


Front Matter (4 pp.)
The Nature and Importance of Physiologic Specialization in Phytopathogenic Fungi, pp. 627-632
Elvin C. Stakman

The National Academy of Sciences: Abstracts of Papers Presented at 1947 Meeting, pp. 632-637


Obituary
Willard Lee Valentine: 1904-1947, pp. 638-640
Walter R. Miles


News and Notes, pp. 641-644


Comments by Readers
Some New and Interesting Results on the Biological Effects of Cosmic Radiation, p. 645
Chromatographic Studies, p. 645


Technical Papers
B-Glucuronidase Activity of the Blood and Tissues of Obstetrical and Surgical Patients, pp. 646-647
William H. Fishman
Relabeling of the Cis and Trans Isomers of 1,3-Dimethylcyclohexane, pp. 647-648
Frederick D. Rossini; Kenneth S. Pitzer
The Dark Reductions of Photosynthesis, pp. 648-649
A. Benson; M. Calvin


In the Laboratory
The Oxalate Salt of P-Aminodimethylaniline, an Improved Reagent for the Oxidase Test, pp. 649-650
Charles M. Carpenter; Leif G. Suhrland; Martha Morrison
Histochemical Method for the Detection of Phosphorylase in Plant Tissues, p. 650
H. C. Yin; C. N. Sun
Use of Aerosol OT in Dissecting Salivary Glands of Mosquitoes Infected with Malaria, pp. 650-651
Edward S. Josephson; William B. Culwell; Helen Louise Trembley
A Quick Method for Filling Curved Glass Apparatus with Liquids, p. 651
William N. Campbell; Andrew Sokalchuk


Book Reviews
----------------, p. 652
Elsevier's Encyclopaedia of Organic Chemistry. Vol. XIV: Tetracyclic and Higher-Cyclic Compounds; Series III: Carboisocyclic Condensed Compounds
E. Josephy; F. Radt
Review author[s]: Roger Adams
----------------, p. 652
The Chemistry of Commercial Plastics
Reginald L. Wakeman
Review author[s]: Edward L. Kropa


Scientific Book Register, p. 652

Previous Issue: New Series, Vol. 105, No. 2737, Jun. 13, 1947
Next Issue: New Series, Vol. 105, No. 2739, Jun. 27, 1947



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Science, New Series, Vol. 105, No. 2739, Jun. 27, 1947


Previous Issue: New Series, Vol. 105, No. 2738, Jun. 20, 1947
Next Issue: New Series, Vol. 106, No. 2740, Jul. 4, 1947


Front Matter (4 pp.)
The Chemical Study of Penicillin: A Brief History, pp. 653-659
The Editorial Board of the Monograph on the Chemistry of Penicillin

News and Notes, pp. 660-662


Technical Papers
A Principle for Maintaining Earthworms in Farm Soils, pp. 663-664
Henry Hopp; Paul J. Linder
Distribution of C14 in Photosynthesizing Barley Seedlings, pp. 664-665
S. Aronoff; A. Benson; W. Z. Hassid; M. Calvin


In the Laboratory
A Micromethod for the Determination of 1 - (+) Lactic Acid, pp. 665-666
Margaret E. Greig
Histochemical Demonstration of Alkaline Phosphatase in Decalcified Dental and Osseous Tissues, p. 666
Roy O. Greep; Clary J. Fischer; Anna Morse

Previous Issue: New Series, Vol. 105, No. 2738, Jun. 20, 1947
Next Issue: New Series, Vol. 106, No. 2740, Jul. 4, 1947



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Science, New Series, Vol. 106, No. 2740, Jul. 4, 1947


Previous Issue: New Series, Vol. 105, No. 2739, Jun. 27, 1947
Next Issue: New Series, Vol. 106, No. 2741, Jul. 11, 1947


Volume Information (20 pp.)
Front Matter (2 pp.)
Importance of Ecology in the Training of Engineers, pp. 1-3
Paul B. Sears

Shift of Employment among Younger Scientists, pp. 3-5
M. H. Trytten

Financial Reports of the AAAS for 1945, p. 6
F. R. Moulton

News and Notes, pp. 7-11


Comments by Readers
Availability and Validity, p. 11
Invertase, pp. 11-12
Schizophrenia Strikes 1 or 2 percent of the Population of the United States, p. 12
The 4th Microbiological Congress, p. 12


Technical Papers
On the Geochemistry of Columbium, pp. 13-15
Kalervo Rankama
Sensitivity of Grasses and Some Crop Plants to Isopropyl-N-Phenyl Carbamate, pp. 15-17
John W. Mitchell; Paul C. Marth
Geomagnetic Control of F2 Layer Ionization, p. 17
Edward Appleton


In the Laboratory
Improved Cage Designs for Use in Handling Monkeys, pp. 18-19
Howard F. Brubach
Acid Phosphatase and Lipids in the Mast Cells of the Rat, p. 19
William Montagna; Charles R. Noback
Sulfur Collection in Precipitation by means of an All-Weather Noncorrosive Rain and Snow Gauge, pp. 19-20
M. I. Fried; M. L. Jackson


Book Reviews
----------------, pp. 21-22
Encyclopedia of Endocrinology. Section IV: The Ovary; Vol. VII: Ovarian tumors
Hans Selye
Review author[s]: Karl H. Martzloff
----------------, p. 22
Musical Acoustics
Charles A. Culver
Review author[s]: Walter A. Rosenblith
----------------, p. 22
Russian-English Technical and Chemical Dictionary
Ludmilla Ignatiev Callaham
Review author[s]: G. M. Kosolapoff

Previous Issue: New Series, Vol. 105, No. 2739, Jun. 27, 1947
Next Issue: New Series, Vol. 106, No. 2741, Jul. 11, 1947



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Science, New Series, Vol. 106, No. 2741, Jul. 11, 1947


Previous Issue: New Series, Vol. 106, No. 2740, Jul. 4, 1947
Next Issue: New Series, Vol. 106, No. 2742, Jul. 18, 1947


Front Matter (2 pp.)
Science and the Public, pp. 23-25
R. W. Gerard

Use of Civilian Skills in the Army Air Forces, pp. 26-28
Thomas W. Harrell

The Cooperative Committee on the Teaching of Science and Mathematics: Its Organization and Program, pp. 28-30
News and Notes, pp. 31-34


Technical Papers
Induction of Mutants in Penicillium Notatum by Methyl-Bis(β -Chloroethyl)Amine, pp. 35-36
Mark A. Stahmann; J. F. Stauffer
Separation and Immunologic Evaluation of Soluble Pertussal Antigens, pp. 36-37
Louis Pillemer; Jean I. Burrell; Oscar A. Ross
Some Effects of Ultraviolet Light on 2, 4-D and Related Compounds, pp. 37-39
Merle G. Payne; Jess L. Fults
Utilization of Vitamin A in Water Emulsion, pp. 40-41
G. R. Halpern; Jacob Biely; Frank Hardy
Natural Formation of Petroleum-Like Hydrocarbons from ''Oil Shales'', p. 41
W. M. Felts
Plasma Accelerator Factor and Purified Prothrombin Activation, pp. 41-42
Arnold G. Ware; M. Mason Guest; Walter H. Seegers


In the Laboratory
Use of Polyvinyl Alcohol to Preserve Fecal Smears for Subsequent Staining, p. 42
Morris Goldman
Elimination of the False Positive Reaction with Human Sera in Complement Fixation Tests, p. 43
Gordon C. Brown
Apparatus for Continuous Yeast Culture, pp. 43-44
John G. B. Castor; T. J. B. Stier


Book Reviews
----------------, pp. 45-46
An Introduction to Mathematical Genetics
Lancelot Hogben
Review author[s]: Kenneth Mather
----------------, p. 46
The Birds of North and Middle America
Herbert Friedmann
Review author[s]: Maurice Brooks


Scientific Book Register, p. 46

Previous Issue: New Series, Vol. 106, No. 2740, Jul. 4, 1947
Next Issue: New Series, Vol. 106, No. 2742, Jul. 18, 1947



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Science, New Series, Vol. 106, No. 2742, Jul. 18, 1947


Previous Issue: New Series, Vol. 106, No. 2741, Jul. 11, 1947
Next Issue: New Series, Vol. 106, No. 2743, Jul. 25, 1947


Front Matter (2 pp.)
Technical Book Publishing in Europe, 1947: Impressions from Visits to Eleven Countries, pp. 47-53
James S. Thompson

Scientific Publishing in Continental Europe: Notes on Its War and Postwar Status, pp. 54-58
Charles Harvey Brown

News and Notes, pp. 58-61


Comments by Readers
Heart-Water Fever, p. 62
Fungus that Causes Decay of Heartwood, p. 62
Nuclide, p. 62


Technical Papers
Influence of Dithiopropanol (BAL) on Human Lead Metabolism, pp. 63-64
Henry W. Ryder; Jacob Cholak; Robert A. Kehoe
The Ultraviolet Absorption Spectrum of Cerebrospinal Fluid: Ascorbic Versus Nucleic Acid, pp. 64-65
L. A. Strait; R. B. Aird; M. K. Hrenoff
Comparison of the β -Glucuronidase Activity of Normal, Tumor, and Lymph Node Tissues of Surgical Patients, pp. 66-67
William H. Fishman; A. J. Anlyan
Blood Plasma Ascorbic Acid Levels on Controlled Intakes of Ascorbic Acid, p. 67
Mary L. Dodds; Florence L. MacLeod
Humidity and Tolerance to Low Barometric Pressure, p. 67
Norman E. Phillips; Paul A. Saxon; Freeman H. Quimby


In the Laboratory
Electrical Resistance of Whole Blood, pp. 68-69
Samuel Graff; A. B. Voorhees; Arthur H. Blakemore
Tracer Micrography, pp. 69-70
L. Marton; P. H. Abelson
Staining of Nerve Endings in Mouse Epidermis by Feulgen's Nucleal Reaction, p. 70
C. H. U. Chu


Book Reviews
----------------, p. 71
Advances in Protein Chemistry
M. L. Anson; John T. Edsall
Review author[s]: Francis P. Chinard
----------------, pp. 71-72
A Bibliography of Birds: With Special Reference to Anatomy, Behavior, Biochemistry, Embryology, Pathology, Physiology, Genetics, Ecology, Aviculture, Economic Ornithology, Poultry Culture, Evolution and Related Subjects
Reuben Myron Strong
Review author[s]: E. W. Gudger
----------------, p. 72
Organic Analytical Reagents
Frank J. Welcher
Review author[s]: John H. Yoe


Scientific Book Register, p. 72

Previous Issue: New Series, Vol. 106, No. 2741, Jul. 11, 1947
Next Issue: New Series, Vol. 106, No. 2743, Jul. 25, 1947



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Science, New Series, Vol. 106, No. 2743, Jul. 25, 1947


Previous Issue: New Series, Vol. 106, No. 2742, Jul. 18, 1947
Next Issue: New Series, Vol. 106, No. 2744, Aug. 1, 1947


Front Matter (2 pp.)
The Native Protein, pp. 73-76
Dorothy Wrinch

Tidal Illumination Diagrams, pp. 76-77
H. R. Seiwell

News and Notes, pp. 78-83


Comments by Readers
Robert M. Salter's Paper, pp. 83-84
Defense of the Scientific Status of Psychology and the Social Studies, p. 84
Human Society is Largely Governed, Not by Physiological Processes, but by a Symbolism, p. 84


Technical Papers
Reproductive Cycles of Five Species of Texas Centrarchids, pp. 85-86
Clarence L. Schloemer
Intercellular Surface Phagocytosis, pp. 86-87
W. Barry Wood; Mary Ruth Smith
Use of 2, 4-D Weed Killers on Woody Weeds in Cuba, p. 87
Kenneth V. Thimann
Note on the Theory of Radiation-Induced Lethals in Drosophila, pp. 87-88
U. Fano
Cosmic Radiocarbon and Natural Radioactivity of Living Matter, pp. 88-89
A. V. Grosse; W. F. Libby


In the Laboratory
Bioassay by Direct Potency Estimation, pp. 89-91
S. Loewe
Identification and Chromatography of Androgens as Their 2, 4-Dinitrophenylhydrazones, p. 91
Carter D. Johnston


Book Reviews
----------------, p. 92
Veterinary Bacteriology
Ival Arthur Merchant
Review author[s]: Robert Graham
----------------, p. 92
Rehabilitation through Better Nutrition
Tom D. Spies
Experiences with Folic Acid
Tom D. Spies
Review author[s]: Edward J. Stieglitz
----------------, p. 92
Animal Nutrition
Leonard A. Maynard
Review author[s]: T. S. Sutton

Previous Issue: New Series, Vol. 106, No. 2742, Jul. 18, 1947
Next Issue: New Series, Vol. 106, No. 2744, Aug. 1, 1947



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Science, New Series, Vol. 106, No. 2744, Aug. 1, 1947


Previous Issue: New Series, Vol. 106, No. 2743, Jul. 25, 1947
Next Issue: New Series, Vol. 106, No. 2745, Aug. 8, 1947


Front Matter (2 pp.)
The Detection of Incipient Army Criminals, pp. 93-96
Gilbert L. Betts

New Horizons in Archaeology, pp. 97-98
R. M. Tatum


Association Affairs
Scientific Exhibits, p. 99
AAAS-George Westinghouse Science Writing Awards, p. 99
Photography in Science Competition and Salon, p. 99
Science Theater, p. 99


News and Notes, pp. 100-103


Technical Papers
Preparation of Formaldehyde-Inactivated Poliomyelitis Virus and Its Use as an Immunizing Agent in Cotton Rats, pp. 104-105
Hubert S. Loring; C. E. Schwerdt; Nancy Lawrence; Jane Collier Anderson
Filaricidal Activity of Substituted Phenyl Arsenoxides, pp. 105-107
G. F. Otto; T. H. Maren
The Development of Visual Perception in Man and Chimpanzee, pp. 107-108
Austin H. Riesen


In the Laboratory
Intestinal Perfusion in the Treatment of Uremia, p. 108
J. W. Rogers; E. A. Sellers; A. G. Gornall
Simple Method for Cross-indexing a Reference File, p. 109
J. G. Aldous
A Culture Medium for the Primary Isolation of Fungi, pp. 109-111
M. L. Littman


Book Reviews
----------------, p. 112
The Trematoda of British fishes
Ben Dawes
Review author[s]: L. J. Olivier
----------------, p. 112
The Rare-Earth Elements and Their Compounds
Don M. Yost; Horace Russell; Clifford S. Garner
Review author[s]: Raleigh Gilchrist
----------------, p. 112
The Nature and Prevention of the Cereal Rusts as Exemplified in the Leaf Rust of Wheat. (Annales Cryptogamici et Phytopathologici
K. Starr Chester
Review author[s]: C. O. Johnston

Previous Issue: New Series, Vol. 106, No. 2743, Jul. 25, 1947
Next Issue: New Series, Vol. 106, No. 2745, Aug. 8, 1947



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Previous Issue: New Series, Vol. 106, No. 2744, Aug. 1, 1947
Next Issue: New Series, Vol. 106, No. 2746, Aug. 15, 1947


Front Matter (2 pp.)
Operational Analysis in Relation to Administration of Government-Sponsored Research, pp. 113-117
John R. Loofbourow

The American Philosophical Society: Abstracts of Papers Presented at 1947 Annual General Meeting, pp. 117-123
News and Notes, pp. 124-126


Comments by Readers
The Article by E. Margoliash, p. 127
The Results of Creatinine, Hippurate, and Inulin Clearance Estimations in Rats, p. 127
The Case for a National Institute of Biology, p. 127


Technical Papers
Effect of Certain Substances on the Prevention of Diabetogenic Action of Alloxan, pp. 128-130
Sachchidananda Banerjee
Transmission of the Bunchy Top Disease of Papaya (Carica papaya L.) by the Leaf Hopper Empoasca papayae Oman, p. 130
Francisco Seín; José Adsuar
Fluorescein as an Agent in the Differentiation of Normal and Malignant Tissues, pp. 130-131
George E. Moore


In the Laboratory
Methods for Culturing Termites, pp. 131-132
S. F. Light; Frances M. Weesner
An Improved Funnel Design, p. 132
Leon Segal
Use of Radioactive Iodine as a Tracer in the Study of the Physiology of Teeth, pp. 132-133
H. J. Bartelstone; I. D. Mandel; E. Oshry; S. M. Seidlin


Book Reviews
----------------, p. 134
Applied Anatomy of the Head and Neck: For Students and Practitioners of Dentistry
Harry H. Shapiro
Review author[s]: Edward A. Holyoke
----------------, p. 134
A Survey of Antimalarial Drugs, 1941-1945
Frederick Y. Wiselogle
Review author[s]: Albert J. Byer


Scientific Book Register, p. 134

Previous Issue: New Series, Vol. 106, No. 2744, Aug. 1, 1947
Next Issue: New Series, Vol. 106, No. 2746, Aug. 15, 1947



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Science, New Series, Vol. 106, No. 2746, Aug. 15, 1947


Previous Issue: New Series, Vol. 106, No. 2745, Aug. 8, 1947
Next Issue: New Series, Vol. 106, No. 2747, Aug. 22, 1947


Front Matter (2 pp.)
A Survey of the Sciences, pp. 135-140
Richard C. Tolman

News and Notes, pp. 141-145


Comments by Readers
The Conference between the Indonesian and Netherlands Governments, p. 145
The Spring of 1946, p. 145
Folliculinids are Complex Ciliated Protozoans, pp. 145-146
The Differentiation of the Pathogenic Species of Sporotrichum, p. 146
The Interesting Discussion between C. S. Leonard and C. J. Cavallito, p. 146
The Interesting Discussion between C. S. Leonard and C. J. Cavallito, p. 146


Technical Papers
Inhibitory Effects of Ethyl Carbamate on Prostatic Cancer, pp. 147-148
Charles Huggins; Sung Ting Yü; Ralph Jones
Hexokinase Activity and Diabetes Mellitus, pp. 148-149
Robert H. Broh-Kahn; I. Arthur Mirsky
Antares (α Scorpii), pp. 149-150
Otto Struve


In the Laboratory
An Instrument for Plotting ED50 Curves, p. 151
Thomas J. Haley
Conversion of Heart Potentials into Auditory Equivalents, pp. 151-152
Ernst T. Krebs
Simple Formulas for Calculating Percentage Potency in Three- and Four-Dose Assay Procedures, pp. 152-153
Marion B. Sherwood


Book Reviews
----------------, p. 154
Retinal Structure and Colour Vision: A Restatement and an Hypothesis
E. N. Willmer
Review author[s]: Selig Hecht
----------------, p. 154
Statistical Analysis in Biology
K. Mather
Review author[s]: Earl L. Green

Previous Issue: New Series, Vol. 106, No. 2745, Aug. 8, 1947
Next Issue: New Series, Vol. 106, No. 2747, Aug. 22, 1947



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Science, New Series, Vol. 106, No. 2747, Aug. 22, 1947


Previous Issue: New Series, Vol. 106, No. 2746, Aug. 15, 1947
Next Issue: New Series, Vol. 106, No. 2748, Aug. 29, 1947


Front Matter (2 pp.)
Military Psychology in War and Peace, pp. 155-160
Walter V. Bingham


Obituary
Sir Joseph Barcroft: 1872-1947, pp. 160-161
Donald H. Barron


News and Notes, pp. 162-165


Comments by Readers
Rehabilitation of China, p. 166
Bufo cognatus, p. 166
La Cellule, p. 166


Technical Papers
Adenosinetriphosphatase Activity of Human Serum, pp. 167-168
Alton Meister
The Mode of Action of 7-Methyl Folic Acid, p. 168
Gustav J. Martin; Leo Tolman; Jack Moss
Effect of Age of Infection upon the Oxidative Metabolism of Trypanosoma lewisi, pp. 168-169
James W. Moulder
Fluorescence of Red Blood Cells, pp. 169-170
D. H. Hamly; George J. Hummer; Charles Sheard


In the Laboratory
Improved and Improvised Sterilizing Containers for Bacteriological Petri Dishes and Pipettes, p. 170
Ivan C. Hall
A Method for Determining Sensitivity to Penicillin and Streptomycin, p. 171
Robert E. Hoyt; Milton Gjelhaug Levine
Sea Water Systems at Marine Laboratories, pp. 171-173
G. E. MacGinitie


Book Reviews
----------------, p. 174
Geomorphology
C. A. Cotton
Review author[s]: William D. Thornbury
----------------, p. 174
Kinetic Theory of Liquids
J. Frenkel
Review author[s]: John G. Kirkwood


Scientific Book Register, p. 174

Previous Issue: New Series, Vol. 106, No. 2746, Aug. 15, 1947
Next Issue: New Series, Vol. 106, No. 2748, Aug. 29, 1947



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Science, New Series, Vol. 106, No. 2748, Aug. 29, 1947


Previous Issue: New Series, Vol. 106, No. 2747, Aug. 22, 1947
Next Issue: New Series, Vol. 106, No. 2749, Sep. 5, 1947


Front Matter (2 pp.)
The Isotope Distribution Program, pp. 175-179
Isotopes Branch, U. S. Atomic Energy Commission

Suggested Principles of ''Social Physics'', pp. 179-180
John Q. Stewart


Association Affairs
Meeting of Southwestern Division, p. 181
Meeting of Pacific Division, pp. 181-182
Advance Registration and Hotel Headquarters Assignments, p. 182
Scientific Exhibits, p. 182


News and Notes, pp. 183-186


Technical Papers
Calcium and Growth in Aging and Cancer, pp. 187-188
Albert I. Lansing
Coproantibody Excretion during Enteric Infections, pp. 188-189
Preston E. Harrison; Janet Banvard
Atherosclerosis and Alimentary Hyperlipemia, pp. 190-191
John R. Moreton


In the Laboratory
Penicillin Types Produced by P. cbrysogenum Q-176, pp. 192-193
Walter A. Winsten; Arthur H. Spark
Use of Trisodium Phosphate in Microscopical Technic, p. 194
Harley J. Van Cleave; Jean A. Ross

Previous Issue: New Series, Vol. 106, No. 2747, Aug. 22, 1947
Next Issue: New Series, Vol. 106, No. 2749, Sep. 5, 1947



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Science, New Series, Vol. 106, No. 2749, Sep. 5, 1947


Previous Issue: New Series, Vol. 106, No. 2748, Aug. 29, 1947
Next Issue: New Series, Vol. 106, No. 2750, Sep. 12, 1947


Front Matter (2 pp.)
The Department of Astronomy of the University of Chicago, p. 195
Robert M. Hutchins

Some Reminiscences of the Yerkes Observatory, 1898-1904, pp. 196-200
Walter S. Adams

Studies of the Stellar System, pp. 201-202
G. P. Kuiper; W. W. Morgan

Astrometry, pp. 203-204
G. Van Biesbroeck

Stellar Spectroscopy, pp. 204-212
Otto Struve

Solar Research and Theoretical Astrophysics, pp. 213-214
S. Chandrasekhar

The Spectroscopic Laboratory, pp. 215-216
G. Herzberg

The Yerkes Observatory: Past, Present, and Future, pp. 217-220
Otto Struve

News and Notes, pp. 221-225


Comments by Readers
Solar Radiation Work, p. 225
A Remarkable Set of Rainbows, pp. 225-226
Vitaminology, p. 226


Book Reviews
----------------, p. 226
Fundamental Theory
A. S. Eddington
Review author[s]: A. J. Coleman
----------------, p. 227
Time, Knowledge, and the Nebulae: An Introduction to the Meanings of Time in Physics, Astronomy, and Philosophy, and the Relativities of Einstein and of Milne
Martin Johnson
Review author[s]: Thornton Page
----------------, p. 227
Methods of Mathematical Physics
Harold Swirles Jeffreys; Bertha Swirles Jeffreys
Review author[s]: H. P. Robertson
----------------, pp. 227-228
The Soochow Astronomical Chart
W. Carl Rufus; Hsing-Chih Tien
Review author[s]: Alexander Pogo
----------------, p. 228
The Earth and the Stars
C. G. Abbot
Review author[s]: Leah B. Allen
----------------, p. 228
Making Your Own Telescope
Allyn J. Thompson
Review author[s]: Charles H. Smiley


Scientific Book Register, p. 228

Previous Issue: New Series, Vol. 106, No. 2748, Aug. 29, 1947
Next Issue: New Series, Vol. 106, No. 2750, Sep. 12, 1947



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Science, New Series, Vol. 106, No. 2750, Sep. 12, 1947


Previous Issue: New Series, Vol. 106, No. 2749, Sep. 5, 1947
Next Issue: New Series, Vol. 106, No. 2751, Sep. 19, 1947


Front Matter (2 pp.)
[Photograph: Plant Industry Station] (1 p.)
Discharge through Gases, pp. 229-236
Leonard B. Loeb

The Truman Veto, pp. 236-237
Howard A. Meyerhoff

News and Notes, pp. 237-241


Comments by Readers
A Protest Against two Recent Articles by Representatve J. Parnell Thomas of New Jersey, p. 241
Bacteriostasis, p. 241


Technical Papers
One Unconsidered Form of the Part Played by the Nervous System in the Development of Disease, p. 242
S. I. Frankstein
Experimental Studies with the Agent of the Common Cold, pp. 243-244
Morris Pollard; Coleman D. Caplovitz
Development of Castes in Higher Termites, pp. 244-245
S. F. Light; Frances M. Weesner
Lethal Effect of X-Rays on Marine Microplankton Organisms, pp. 245-246
Kelshaw Bonham; Allyn H. Seymour; Lauren R. Donaldson; Arthur D. Welander
The Contagious Nature of a Lymphoid Tumor in Chickens, pp. 246-247
Nelson F. Waters


In the Laboratory
Radioactive Testosterone, p. 248
Richard B. Turner
Inhalation of Penicillin Dust, pp. 249-250
Louis Krasno; Mary Karp; Paul S. Rhodes
Formaldehyde in Plant Collecting, pp. 250-251
F. R. Fosberg
Direct Introduction of Chemical Substances into Herbaceous Plants, p. 251
Irma M. Felber


Book Reviews
----------------, p. 252
Handbuch der Katalyse. Vol. 3: Biokatalyse
G. M. Schwab
Review author[s]: Van R. Potter
----------------, p. 252
Inorganic Syntheses
W. Conard Fernelius
Review author[s]: James J. Lingane
----------------, p. 252
General Biology
Perry D. Strausbaugh; Bernal R. Weimer
Review author[s]: George L. Church

Previous Issue: New Series, Vol. 106, No. 2749, Sep. 5, 1947
Next Issue: New Series, Vol. 106, No. 2751, Sep. 19, 1947



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Science, New Series, Vol. 106, No. 2751, Sep. 19, 1947


Previous Issue: New Series, Vol. 106, No. 2750, Sep. 12, 1947
Next Issue: New Series, Vol. 106, No. 2752, Sep. 26, 1947


Front Matter (2 pp.)
The Role of Microorganisms in Acid Mine Drainage: A Preliminary Report, pp. 253-256
Arthur R. Colmer; M. E. Hinkle

Reconnaissance Soil Survey Work in Japan, pp. 256-258
C. L. W. Swanson

News and Notes, pp. 259-264


Comments by Readers
Promotion and Inhibition of Growth, p. 265
Description of Centrifuge Operations in Terms of Duration and Speed, p. 265
The Results of Creatinine, Hippurate, and Inulin Clearance Estimations in Rats, p. 265


Technical Papers
Relative Sensitivity of Dormant and Germinating Seeds to 2,4-D, pp. 266-267
John W. Mitchell; James W. Brown
Inactivation of Certain Neurotropic Viruses in vitro by Serum Lipids, pp. 267-268
J. Casals; Peter K. Olitsky
The Abundance of Thallium in the Earth's Crust, p. 268
L. H. Ahrens
Reaction of Certain Plant Growth Regulators with Ion Exchangers, pp. 268-270
Robert J. Weaver
Granulosa Cell Tumors in Intrapancreatic Ovarian Grafts in Castrated Mice, p. 270
Min Hsin Li; W. U. Gardner
Differential Phytotoxicity of Metabolic By-Products of Helminthosporium victoriae, pp. 270-271
Frances Meehan; H. C. Murphy
Application of ''Metabolite Antagonism'' to Cancer Research, pp. 271-272
David M. Greenberg; Martin P. Schulman


In the Laboratory
A Slide Rule for Determining Chicken Red Cell Agglutination Titer, p. 273
M. C. Davies
Olive Oil as a Solvent for Certain Organic Vapors, pp. 274-275
R. Macy; B. Gehauf
New Rectal Culture Tube, p. 275
Joseph Felsen
Comparison of Hematocrit Methods, pp. 275-276
Paul L. McLain
The Halogen-Metal Interconversion Reaction and Its Application to the Synthesis of Nicotinic Acid Labeled with Isotopic Carbon, p. 277
Arthur Murray; W. W. Foreman; Wright Langham
Analytical Determination of Basic Groups in Amino Acids and Proteins, p. 277
D. P. Grettie


Book Reviews
----------------, p. 278
Fundamental Chemistry: An Elementary Textbook for College Classes
Horace G. Deming
Review author[s]: Therald Moeller
----------------, p. 278
Visible Speech
Ralph K. Potter; George A. Kopp; Harriet C. Green
Review author[s]: T. E. Lynch
----------------, p. 278
Glacial Geology and the Pleistocene Epoch
Richard Foster Flint
Review author[s]: Francis D. Hole

Previous Issue: New Series, Vol. 106, No. 2750, Sep. 12, 1947
Next Issue: New Series, Vol. 106, No. 2752, Sep. 26, 1947



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Science, New Series, Vol. 106, No. 2752, Sep. 26, 1947


Previous Issue: New Series, Vol. 106, No. 2751, Sep. 19, 1947
Next Issue: New Series, Vol. 106, No. 2753, Oct. 3, 1947


Front Matter (2 pp.)
The Discovery of Aptitude and Achievement Variables, pp. 279-282
J. P. Guilford

Educational Programs at Research Centers, pp. 283-284
Rawson Bennett

News and Notes, pp. 285-289


Comments by Readers
Communication Written in Hope of Opening a Constructive Discussion of che Editing of Scientific Papers, pp. 289-290
The Regulated Action of Sulfuric Acid, p. 290
Recent Reports on the Results of Glucose Tolerance Tests, p. 290
Egg Number, p. 290


Technical Papers
Citrinin as an Antibiotic, pp. 291-292
Yu Wang; F. K. Hong; F. T. Hwang; C. S. Fan
Lactobacillus acidophilus Counts in the Saliva of Children Drinking Artificially Fluorinated and Fluorine-Free Communal Waters, pp. 292-293
Sidney B. Finn; David B. Ast
A New Antibody in Serum of Patients with Acquired Hemolytic Anemia, pp. 293-294
Phillip Sturgeon
Further Observations on Leptospirosis in Micronesia, p. 294
F. W. Hartmann
Triphenyltetrazolium Chloride as a Dye for Vital Tissues, pp. 294-295
A. M. Mattson; C. O. Jensen; R. A. Dutcher
Oxygen and Air Pressure Effects upon the Early Development of the Frog's Egg, pp. 295-296
Olin E. Nelsen
Red Blood Cell Sensitivity to the Blood-Group-Enzyme, pp. 296-297
Paul M. Neuda


In the Laboratory
Adaptation of the Silicomolybdic Acid Method for the Estimation of Morphine to the Photoelectric Colorimeter, pp. 298-299
F. E. Shideman; A. R. Kelly
Use of Phenol Formaldehyde and Vinyl Resins in Sealing Liquid Mounting Media on Microscope Slides, pp. 299-300
E. S. Barghoorn
An Effective and Nontraumatic Method of Handling Monkeys, p. 300
Paul Settlage; Harry F. Harlow
Preservation of Plasmodium vivax by Freezing, pp. 300-301
George M. Saunders; Virgil Scott
Intraneural Bipolar Stimulation: A New Aid in the Assessment of Nerve Injuries, pp. 301-302
Frank E. Nulsen; F. H. Lewey
Interlaboratory Comparison of Measurements of I, p. 302
L. F. Curtiss


Book Reviews
----------------, p. 303
Thermodynamics for Chemists
Samuel Glasstone
Review author[s]: Don M. Yost
----------------, p. 303
College Technical Physics
Robert L. Weber; Marsh W. White; Kenneth V. Manning
Review author[s]: R. B. Lindsay
----------------, pp. 303-304
Sequential Analysis
Abraham Wald
Review author[s]: Frank M. Weida
----------------, p. 304
Diseases of the Nose and Throat
Charles J. Imperatori; Herman J. Burman
Review author[s]: W. R. Miles


Scientific Book Register, p. 304

Previous Issue: New Series, Vol. 106, No. 2751, Sep. 19, 1947
Next Issue: New Series, Vol. 106, No. 2753, Oct. 3, 1947



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Science, New Series, Vol. 106, No. 2753, Oct. 3, 1947


Previous Issue: New Series, Vol. 106, No. 2752, Sep. 26, 1947
Next Issue: New Series, Vol. 106, No. 2754, Oct. 10, 1947


Front Matter (2 pp.)
The Nucleus in Relation to Heredity and Sex, pp. 305-308
Edward C. Jeffrey

Poland in the World of Science, pp. 308-309
Ignace Zlotowski


Association Affairs
Association Membership Dues Increased, p. 310
F. R. Moulton


News and Notes, pp. 311-314


Comments by Readers
Taxonomists and Zoologists, pp. 315-316
The Effects of a New Class of Anti-Filarial Compounds, Cyanines, p. 316
The Effects of a New Class of Anti-Filarial Compounds, Cyanines, p. 316
The Results of Determinations of the Growth Hormones of Several Species of Plants, p. 316
Certain Parts of the Recent Paper of Taplin and Bryan, p. 316


Technical Papers
DDT for Powder-Post Beetle Control in Bamboo, p. 317
Harold K. Plank
Physiological Availability of Iodine in Dithymol Diiodide, pp. 317-319
R. R. Baldwin; R. Thiessen; E. E. McInroy
Plasma L-Methionine Levels Following Intravenous Administration in Humans, pp. 319-320
Harold A. Harper; Laurance W. Kinsell; Harry C. Barton
Activation of Eggs by Oxidation-Reduction Indicators, p. 320
Matilda Moldenhauer Brooks
Irreversible Differentiation in Certain Plant Cell Lineages, pp. 320-322
Robert Bloch
Separate Localization in the Medulla Oblongata of the Vagal Inspiratory and Expiratory Reflex Centers, pp. 322-323
Oscar A. M. Wyss
A New Disease of the Variegated Cutworm, Peridroma margaritosa (Haw.), p. 323
Edward A. Steinhaus


In the Laboratory
An Interval-Timing, Automatically Resetting Switch to Operate after Any Given Number of Counts, p. 324
Julius R. Ballew; Amedeo S. Marrazzi
Simplified Techniques for Inoculating Chick Embryos and a Means of Avoiding Egg White in Vaccines, pp. 324-325
W. I. B. Beveridge
Use of Trisodium Phosphate with Herbarium Material and Microfossils in Peat, pp. 325-326
William S. Benninghoff
Three-Dimensional Graphs, pp. 326-327
E. F. Hopkins
Penicillin as an Agent for Sterilization of Protozoan Cultures, p. 327
Gerald R. Seaman
A Monitoring Probe for Radiochemistry Laboratories, pp. 327-328
Claude R. Schwob; Raymond Nether
Use of the Hydra for Pharmacological Study, p. 328
Stata Norton; Edwin J. De Beer


Book Reviews
----------------, p. 329
Radioactive Tracers in Biology: An Introduction to Tracer Methodology
Martin D. Kamen
Review author[s]: M. C. Shelesnyak
----------------, pp. 329-330
Descriptive and Sampling Statistics
John Gray Peatman
Review author[s]: J. R. Wittenborn

Previous Issue: New Series, Vol. 106, No. 2752, Sep. 26, 1947
Next Issue: New Series, Vol. 106, No. 2754, Oct. 10, 1947



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Science, New Series, Vol. 106, No. 2754, Oct. 10, 1947


Previous Issue: New Series, Vol. 106, No. 2753, Oct. 3, 1947
Next Issue: New Series, Vol. 106, No. 2755, Oct. 17, 1947


Front Matter (2 pp.)
Genetic Effects of the Atomic Bombs in Hiroshima and Nagasaki, pp. 331-333
An Auditory Afterimage?, pp. 333-335
W. A. Rosenblith; G. A. Miller; J. P. Egan; I. J. Hirsh; G. J. Thomas

News and Notes, pp. 335-340


Comments by Readers
The Creatinine, Inulin, and Hippurate Clearance of the Rat, p. 341
The Kinds of Obstacles that One May Encounter because of Passport Difficulties, pp. 341-342
The Therapeutic Use of Cytochrome C, p. 342
The Unfertilized Egg of an Oyster is Pear Shaped, p. 342


Technical Papers
Citric Acid in Saliva, p. 343
Isadore Zipkin
Wright's Hypothesis: Its Relation to Volume Growth of Tissue Cells and Mitotic Index, pp. 343-344
Joseph G. Hoffman
Germination and Free Fatty Acid in Individual Cotton Seeds, pp. 344-345
Carroll L. Hoffpauir; Dorothy H. Petty; John D. Guthrie
Oral Efficacy of BAL in Protecting Rats against Alloxan Diabetes, p. 345
Annette Chesler; R. Tislow
The Origin of Monocytes in the Spleen, p. 346
P. Bueno
Ultraspectrophotometric Studies in Extracts of Normal and Tumor Tissue of Human Origin, pp. 346-347
Machteld E. Sano; Mona Spiegel-Adolf
Inactivation of Staphylocoagulase by Trypsin and Pepsin, p. 347
Burnham S. Walker; Norwood K. Schaffer; Matthew A. Derow
Linkage between the Genes for Sickle Cells and the M-N Blood Types, pp. 347-348
Laurence H. Snyder; Henry Russell; Eugenia B. Graham
Spleen Extract and Tumor Growth, p. 348
George F. Watson; Irene Corey Diller; N. Volney Ludwick


In the Laboratory
Stereotaxic Apparatus for Operations on the Human Brain, pp. 349-350
E. A. Spiegel; H. T. Wycis; M. Marks; A. J. Lee
A Solution for Plasticizing Kymograph Records, p. 350
Thomas J. Haley
Yeast Autolysate: A Culture Medium for Hemophilus influenzae, pp. 350-352
Erwin Neter
A Simple Method for Changing Units, p. 352
F. L. Robeson
A Hot-Air Apparatus Dryer for General Laboratory Use, p. 353
J. F. Corwin


Book Reviews
----------------, p. 354
Unified Calculus
Edward S. Smith; Meyer Salkover; Howard K. Justice
Review author[s]: Walter F. Shenton
----------------, p. 354
The Chemical Kinetics of the Bacterial Cell
C. N. Hinshelwood
Review author[s]: John M. Reiner
----------------, p. 354
The Technology of Adhesives
John Delmonte
Review author[s]: J. M. Grim

Previous Issue: New Series, Vol. 106, No. 2753, Oct. 3, 1947
Next Issue: New Series, Vol. 106, No. 2755, Oct. 17, 1947



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Previous Issue: New Series, Vol. 106, No. 2754, Oct. 10, 1947
Next Issue: New Series, Vol. 106, No. 2756, Oct. 24, 1947


Front Matter (2 pp.)
The Polysulfides in Levinstein Process Mustard Gas, pp. 355-359
R. Macy; G. N. Jarman; A. Morrison; E. Emmet Reid

Starring in American Men of Science, pp. 359-361
Stephen S. Visher

News and Notes, pp. 361-366


Comments by Readers
The Questions Raised by Dr. Potter, p. 367


Technical Papers
Effect of Rutin on Anaphylactic and Histamine Shock, p. 368
R. J. Raiman; E. R. Later; H. Necheles
Ammonia Nitrogen Produced from Isomeric Peptides in Kidney Homogenate Digests, pp. 369-370
Jose M. Goncalves; Vincent E. Price; Jesse P. Greenstein
Use of Insoluble Penicillin Salts for the Prolongation of Penicillin Blood Levels, p. 370
Samuel Monash
Inhibition of the Enzymatic Hydrolysis of ATP by Certain Cardiac Drugs, pp. 370-371
T. E. Kimura; K. P. DuBois
Creatinuria in Diabetics and an Evaluation of Methods for Determining Total Creatinine, pp. 371-372
Saul Caspe; Benjamin Davidson; Joseph Truhlar
Interpretation of Lignin: The Synthesis of Gymnosperm Lignin, pp. 372-373
Alfred Russell


In the Laboratory
Ortho-Hydroxyphenylacetic Acid from an Amorphous Penicillin, pp. 373-374
Henry Fischbach; T. E. Eble; Joseph Levine
The Laboratory Preparation of Mustard Gas, pp. 374-375
Henry E. Bent
Oxidation of β -Carotene with Osmium Tetroxide, p. 375
G. C. L. Goss; W. D. McFarlane
An Improved Electromagnetic Sphygmograph, p. 376
Basil I. Panzer; Francis Marsh Baldwin; Fred Ingall; John F. Heil


Book Reviews
----------------, p. 377
A New Notation and Enumeration System for Organic Compounds
G. Malcolm Dyson
Review author[s]: Frederick D. Rossini
----------------, pp. 377-378
Psychiatric Research
C. K. Drinker; J. Folch; S. Cobb; H. S. Gasser; W. Penfield; E. A. Strecker
Review author[s]: Walter R. Miles


Scientific Book Register, p. 378

Previous Issue: New Series, Vol. 106, No. 2754, Oct. 10, 1947
Next Issue: New Series, Vol. 106, No. 2756, Oct. 24, 1947



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Science, New Series, Vol. 106, No. 2756, Oct. 24, 1947


Previous Issue: New Series, Vol. 106, No. 2755, Oct. 17, 1947
Next Issue: New Series, Vol. 106, No. 2757, Oct. 31, 1947


Front Matter (2 pp.)
Genetic Control of Lymphomatosis in the Fowl, pp. 379-384
F. B. Hutt; R. K. Cole

Toward a National Science Policy?, pp. 385-387
Study Group, Washington Association of Scientists

News and Notes, pp. 388-392


Technical Papers
Elementary Effect of Arginase in the Weight Physiology of the Mouse, pp. 393-394
W. G. Irons; O. B. Wiswell
Antibiotic Compound Isolated from the Lichen Ramalina reticulata, pp. 394-395
A. Marshak; G. T. Barry; L. C. Craig
Relative Growth Rates of Bean and Oat Plants Containing Known Amounts of a Labeled Plant-Growth Regulator (2-Iodo131-3-Nitrobenzoic Acid), pp. 395-397
J. W. Mitchell; John W. Wood; W. C. Wolfe; George W. Irving
A Nutritional Disease of Oats Apparently Due to the Lack of Copper, p. 398
Henry C. Harris
The Migration of Newly-Hatched Loggerhead Turtles toward the Sea, pp. 398-399
Robert S. Daniel; Karl U. Smith


In the Laboratory
Routine Analysis of the Alpha Activity of Protactinium Samples, pp. 400-401
M. Blau; H. Sinason
A Simple Quantitative Method for Intravenous Injection of Small Volumes of Fluid, pp. 401-402
Henry L. Barnett; Francis X. Fellers
A Crystalline Pituitary Protein with High Growth Activity, p. 402
Jacob B. Fishman; Alfred E. Wilhelmi; Jane A. Russell
Exchange of Carbon Dioxide between Barium Carbonate and the Atmosphere, pp. 403-404
W. D. Armstrong; Jack Schubert
The Use of Isotopes to Determine the Rate of a Biochemical Reaction, p. 404
Herman Branson

Previous Issue: New Series, Vol. 106, No. 2755, Oct. 17, 1947
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Science, New Series, Vol. 106, No. 2757, Oct. 31, 1947


Previous Issue: New Series, Vol. 106, No. 2756, Oct. 24, 1947
Next Issue: New Series, Vol. 106, No. 2758, Nov. 7, 1947


Front Matter (2 pp.)
Some Problems of Human Ecology in Polar Regions, pp. 405-409
M. C. Shelesnyak

A System of Nomenclature for Isotopic Compounds, pp. 409-411
John W. Otvos; Charles D. Wagner

News and Notes, pp. 411-414


Comments by Readers
The Memorandum, p. 415
Forgotten Material on the Dental Aspects of Prenatal Injury, pp. 415-416
A Compilcated Physiological Response, p. 416


Technical Papers
Chloromycetin, a New Antibiotic from a Soil Actinomycete, p. 417
John Ehrlich; Quentin R. Bartz; Robert M. Smith; Dwight A. Joslyn; Paul R. Burkholder
Chloromycetin, an Antibiotic with Chemotherapeutic Activity in Experimental Rickettsial and Viral Infections, pp. 418-419
J. E. Smadel; E. B. Jackson
Initiation of the Cone Gall of Witch Hazel, pp. 419-420
Ivey F. Lewis; Lucile Walton
A Relationship between Cystine and Pyridoxal or Pyridoxamine in the Nutrition of Certain Bacteria, p. 420
Marvin L. Speck; Dorothy A. Pitt
Protection of Synaptic Transmission against Block by Nicotine, p. 421
C. A. G. Wiersma; William Schallek
Role of Inhibitors in Soybean, pp. 421-422
H. S. R. Desikachar; S. S. De
Effect of Benzene Hexachloride on the Flavor of Poultry Meat, pp. 422-423
Ephriam Hixson; Martin H. Muma
In vitro Resistance of the Genus Bacteroides to Streptomycin, pp. 423-424
George E. Foley


In the Laboratory
A Method for Determining the Volume of Small Solid Objects, p. 425
James M. Stewart
A Contact Culture Method for Detecting Molds on Surfaces, pp. 425-426
F. A. Hodges; J. D. Wildman
The Color Reactions of Sulfonamides with β -Naphthoquinone-4-Sulfonate, p. 426
F. J. Bandelin
Recording Uterine Contraction Patterns in Pregnant Women: Application of the Strain Gage in a Multichannel Tokodynamometer, pp. 427-428
S. R. M. Reynolds; O. O. Heard; Paul Bruns
Freezing Points of Cobalt and Nickel and a New Determination of Planck's Constant C2, pp. 428-429
M. S. Van Dusen; A. I. Dahl


Book Reviews
----------------, p. 430
Adolescent Sterility: A Study in the Comparative Physiology of the Infecundity of the Adolescent Organism in Mammals and Man
M. F. Ashley Montagu
Review author[s]: Raphael Kurzrok
----------------, p. 430
Curare: Its History, Nature, and Clinical Use
A. R. McIntyre
Review author[s]: Walter R. Miles
----------------, p. 430
Injection Molding of Plastics
Islyn Thomas
Review author[s]: J. M. Grim

Previous Issue: New Series, Vol. 106, No. 2756, Oct. 24, 1947
Next Issue: New Series, Vol. 106, No. 2758, Nov. 7, 1947



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Science, New Series, Vol. 106, No. 2758, Nov. 7, 1947


Previous Issue: New Series, Vol. 106, No. 2757, Oct. 31, 1947
Next Issue: New Series, Vol. 106, No. 2759, Nov. 14, 1947


Front Matter (2 pp.)
Sludged Blood, pp. 431-440
Melvin H. Knisely; Edward H. Bloch; Theodore S. Eliot; Louise Warner

News and Notes, pp. 440-443


Comments by Readers
The Essentials os National Science Legislation, pp. 444-445
Laws of Thermodynamics, p. 445


Technical Papers
The Remote Sustained Threshold Therapeutic Action of Streptomycin in Tuberculosis, pp. 446-447
H. J. Corper; Maurice L. Cohn
A Possible Role of Food Purification in the Etiology of Dental Caries, pp. 447-448
Reidar F. Sognnaes
Effect of Tetraethylammonium Chloride in Experimental Gastric Ulceration in the Rat, pp. 448-449
J. Maxwell Little; Ben C. Ogle; John D. Yeagley; David Cayer
A Method for Screening Antimalarial Compounds in the Mosquito Host, pp. 449-450
Levon A. Terzian


In the Laboratory
Oxidation of Ascorbic Acid to Dehydroascorbic Acid, p. 451
Donald W. Bolin; Lucille Book
A Simple Pen for Kymograph Tracings, p. 451
Louis W. Lewis
A Simple Method for Explanting and Cultivating Early Chick Embryos in vitro, p. 452
Nelson T. Spratt
An Interesting Case of Water Undercooling, p. 453
Earl C McCracken


Book Reviews
----------------, p. 454
Fundamentals of Earth Science
Henry Dewey Thompson
Review author[s]: Paul R. Shaffer
----------------, p. 454
Quantitative Clinical Chemistry: Interpretations
John P. Peters; Donald D. Van Slyke
Review author[s]: Victor C. Myers
----------------, p. 454
Essentials of Endocrinology
Arthur Grollman
Review author[s]: Burton L. Baker

Previous Issue: New Series, Vol. 106, No. 2757, Oct. 31, 1947
Next Issue: New Series, Vol. 106, No. 2759, Nov. 14, 1947



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Science, New Series, Vol. 106, No. 2759, Nov. 14, 1947


Previous Issue: New Series, Vol. 106, No. 2758, Nov. 7, 1947
Next Issue: New Series, Vol. 106, No. 2760, Nov. 21, 1947


Front Matter (2 pp.)
Biology of Cancer, pp. 455-460
A. C. Ivy

Recent Changes in Sedimentation in the Gulf of Mexico, pp. 460-461
Parker D. Trask; Fred B. Phleger; Henry C. Stetson


Obituary
Charles Atwood Kofoid: 1865-1947, pp. 462-463
Harold Kirby


Association Affairs
Historical Sketch of the Association, pp. 463-464


News and Notes, pp. 464-469


Technical Papers
The Nature of the Iron Compounds in Red and Yellow Sandstone, p. 470
L. J. E. Hofer; Sol Weller
Cytochrome Oxidase, p. 471
W. W. Wainio; S. J. Cooperstein; S. Kollen; B. Eichel
Differential Rate of Death for Large and Small Fishes Caused by Hard Cold Waves, p. 472
Gordon Gunter
Hemophilia: The Mechanism of Development and Action of an Anticoagulant Found in Two Cases, pp. 473-474
John S. Lawrence; Charles G. Craddock
A Homogeneous Emulsion of Fat, Protein, and Glucose for Intravenous Administration, pp. 474-475
B. G. P. Shafiroff; Cecil Frank


In the Laboratory
The Importance of Controlling Cooling Temperatures during Embedding in Paraffin, pp. 475-476
Richard A. Popham
The Demonstration of Naturally-Occurring Streptomycin-Resistant Variants in the Human Strain of Tubercle Bacillus H-37RV, pp. 476-477
Kirsten Vennesland; Robert H. Ebert; Robert G. Bloch


Book Reviews
----------------, p. 478
A History of the American Medical Association, 1847-1947
Morris Fishbein
Review author[s]: Chauncey D. Leake


Scientific Book Register, p. 478

Previous Issue: New Series, Vol. 106, No. 2758, Nov. 7, 1947
Next Issue: New Series, Vol. 106, No. 2760, Nov. 21, 1947



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Science, New Series, Vol. 106, No. 2760, Nov. 21, 1947


Previous Issue: New Series, Vol. 106, No. 2759, Nov. 14, 1947
Next Issue: New Series, Vol. 106, No. 2761, Nov. 28, 1947


Front Matter (2 pp.)
Fourth International Cancer Research Congress: St. Louis, September 2-7, 1947, pp. 479-483
E. V. Cowdry


Obituary
S. F. Light: 1886-1947, pp. 483-484
T. H. Bullock


News and Notes, pp. 485-489


Comments by Readers
The Problem of the Study of Foreign Languages, p. 490
A Report Entitled ''Calcium and Growth in Aging and Cancer'', pp. 490-491
The Recent Paper by Blackwelder, Knight, and Sabrosky, p. 491
R. W. Gerard's Communication on the Subject of the Editing of Scientific Papers, p. 491


Technical Papers
Effect of Tetraethyl Pyrophosphate on Sympathetic Ganglionic Activity, pp. 492-493
Theodore Koppanyi; Alexander G. Karczmar; Theodore O. King
The Influence of Heredity on the Carotene Content of Corn, pp. 493-494
L. W. Aurand; R. C. Miller; L. L. Huber
Enhancement of Penicillin Blood Levels Following Oral Administration of Caronamide, pp. 494-496
Leo Loewe; Harold B. Eiber; Erna Alture-Werber
Experimental Determination of the Gyrofrequency, pp. 496-497
S. L. Seaton


In the Laboratory
Conversion of Isotopically Enriched CO2 to CO, pp. 498-499
Richard B. Bernstein; T. I. Taylor
A Kinesimeter for Studying the Spontaneous Activity of Small Animals, pp. 499-501
F. A. Waterman


Book Reviews
----------------, p. 502
Low-Pressure Laminating of Plastics
J. S. Hicks
Review author[s]: J. M. Grim
----------------, p. 502
Concise Anatomy
Linden F. Edwards
Review author[s]: Jean Piatt
----------------, p. 502
Advanced Mathematics for Engineers
H. W. Reddick; F. H. Miller
Review author[s]: D. J. Struik

Previous Issue: New Series, Vol. 106, No. 2759, Nov. 14, 1947
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Science, New Series, Vol. 106, No. 2761, Nov. 28, 1947


Previous Issue: New Series, Vol. 106, No. 2760, Nov. 21, 1947
Next Issue: New Series, Vol. 106, No. 2762, Dec. 5, 1947


Front Matter (2 pp.)
Biosynthesis of Penicillins, pp. 503-505
The Editorial Board of the Monograph on the Chemistry of Penicillin

The National Academy of Sciences: Abstracts of Papers Presented at 1947 Autumn Meeting, pp. 505-513
News and Notes, pp. 513-519


Technical Papers
Chemical Structure and the Definition of Sympathin E, pp. 520-521
Amedeo S. Marrazzi; Rose N. Marrazzi
Microbial Utilization of Carcinogenic Hydrocarbons, pp. 521-522
Frederick D. Sisler; Claude E. ZoBell
Effect of Indole on the Determination of N′ -Methylnicotinamide, pp. 522-523
B. S. Schweigert
Production of Starch-Like Material from Glucose-1-Phosphate by Diphtheria Bacilli, pp. 523-524
Edward J. Hehre; Arthur S. Carlson; James M. Neill
Vitamin Requirements of Microbacterium lacticum Orla-Jensen, pp. 524-525
Raymond N. Doetsch; Michael J. Pelczar


In the Laboratory
A Rapid Method for Estimation of Use-Dilution Concentrations of Quaternary Ammonium Germicides, pp. 525-527
J. F. Gain; C. A. Lawrence
A Simple Device for Macroscopic Sectioning of the Brain, p. 527
Ralph F. Bouldin; William Holzheimer


Book Reviews
----------------, p. 528
High Polymers. Vol. VII: Phenoplasts: Their Structure, Properties, and Chemical Technology
T. S. Carswell
Review author[s]: Cyrus O. Guss
----------------, p. 528
An Introduction to Vertebrate Anatomy
Harold M Messer
Review author[s]: Roy P. Ash
----------------, p. 528
The Work Book of Fundamental Organic Chemistry
F. Degering
Review author[s]: Irwin B. Douglass

Previous Issue: New Series, Vol. 106, No. 2760, Nov. 21, 1947
Next Issue: New Series, Vol. 106, No. 2762, Dec. 5, 1947



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Science, New Series, Vol. 106, No. 2762, Dec. 5, 1947


Previous Issue: New Series, Vol. 106, No. 2761, Nov. 28, 1947
Next Issue: New Series, Vol. 106, No. 2763, Dec. 12, 1947


Front Matter (2 pp.)
The Inter-Society Committee for a National Science Foundation: Report for 1947, pp. 529-533
Dael Wolfle


Obituary
Lorande Loss Woodruff: 1879-1947, pp. 533-534
Ross G. Harrison


Association Affairs
Centennial Meeting of the AAAS, 1948, p. 535
F. R. Moulton


News and Notes, pp. 536-542


Technical Papers
The Disappearance of Salt from Glass Ice during Low-Temperature Dehydration, and Its Implication in Electron Microscopy, p. 543
Daniel C. Pease
Incorporation of C14 from Carboxyllabeled dl-Alanine into the Proteins of Liver Slices, pp. 544-545
Ivan D. Frantz; Robert B. Loftfield; Warren W. Miller
Isolation of Avian Pneumoencephalitis (Newcastle Disease) Virus from the Yolk Sac of Four-Day-Old Chicks, Embryos, and Infertile Eggs, pp. 545-546
P. D. DeLay
Antibacterial Action of Inactivated Ergosterol in the Guinea Pig and Man, p. 546
Walter Raab
Prothrombokinase and the Three Stages of Blood Coagulation, pp. 546-547
J. H. Milstone
Growth in vitro of Immature Hordeum Embryos, pp. 547-548
Nancy Kent; R. A. Brink


In the Laboratory
A Simple Technic for Passage of Certain Viruses, p. 549
F. M. Schabel; F. B. Gordon
A Method for Permanent Identification of Materials Sealed in Small Containers, p. 550
Alfred S. Lazarus
A Modified Warburg Vessel, p. 550
Ernest Kun
Ureteral Catheter for Microinjection Tubing, p. 551
John B. Buck; H. Specht
Improving the Performance of the Flame Photometer, p. 551
George T. Scott
A Sensitive Cylinder-Plate Assay for Bacitracin, pp. 551-552
Donald A. Hoff; Ralph E. Bennett; Alfred R. Stanley


Book Reviews
----------------, p. 553
Fishes of the Pacific Coast of Canada
Wilbert A. Clemens; G. Van Wilby
Review author[s]: W. M. Chapman
----------------, p. 553
What is Psychology?
Werner Wolff
Review author[s]: Seymour B. Sarason
----------------, pp. 553-554
Guide to the Literature of Mathematics and Physics Including Related Works in Engineering Science
Nathan Grier Parke
Review author[s]: Morris C. Leikind
----------------, p. 554
Dynamic Aspects of Biochemistry
Ernest Baldwin
Review author[s]: William H. Welker


Scientific Book Register, p. 554

Previous Issue: New Series, Vol. 106, No. 2761, Nov. 28, 1947
Next Issue: New Series, Vol. 106, No. 2763, Dec. 12, 1947



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Science, New Series, Vol. 106, No. 2763, Dec. 12, 1947


Previous Issue: New Series, Vol. 106, No. 2762, Dec. 5, 1947
Next Issue: New Series, Vol. 106, No. 2764, Dec. 19, 1947


Front Matter (2 pp.)
Preview of the 114th Meeting, AAAS: Chicago, December 26-31, 1947, pp. 555-566
Science Exhibition, pp. 567-575


Obituary
Otis William Caldwell: 1869-1947, pp. 576-578
Morris Meister


News and Notes, pp. 579-586


Technical Papers
Variants of Escherichia coli, Pseudomonas aeruginosa, and Bacillus subtilis Requiring Streptomycin, pp. 587-588
T. Kushnick; C. I. Randles; C. T. Gray; J. M. Birkeland
Seasonal Variation in the Gonadotropic Potency of Dried Anterior Pituitaries of Rana pipiens, p. 588
Ward L. Sims; David W. Bishop
Rate of Disappearance from Plasma of Intravenously Administered Methionine in Patients with Liver Damage, pp. 589-590
Laurance W. Kinsell; Harold A. Harper; Harry C. Barton; George D. Michaels; Harry A. Weiss
A Chemical Control of Seedstalk Development in Celery, p. 590
S. H. Wittwer; L. L. Coulter; R. L. Carolus
Is the Action of Calcium in the Coagulation of Blood Stoichiometric or Catalytic?, p. 591
Armand J. Quick
The Action of the Endotoxin of Trypanosoma cruzi (KR) on Malignant Mouse Tumors, pp. 591-594
William M. Malisoff
Male Sterility in the Carrot, p. 594
J. E. Welch; E. L. Grimball


In the Laboratory
Solubility of Iron in Submerged Soils, p. 595
J. B. Hester; F. A. Shelton
A Simple Calculator for Certain Types of Instrumental Data, pp. 595-596
Daniel A. Brody; J. P. Quigley
A Concentric Glass Electrode Assembly for pH Measurements, p. 597
Mott D. Cannon
Staining of Oyster Larvae as a Method for Studies of Their Movements and Distribution, pp. 597-598
V. L. Loosanoff; H. C. Davis
A Precision Micro-Pipette Trimmer, pp. 598-599
Kenneth M. Richter


Book Reviews
----------------, p. 600
Estimation of the Vitamins
W. J. Dann; G. Howard Satterfield
Review author[s]: Otto A. Bessey
----------------, p. 600
La perception de la causalité
A. Michotte
Review author[s]: Adelbert Ames
----------------, pp. 600-601
Psychoanalytic Therapy
Franz Alexander; Thomas Morton French
Review author[s]: Keith Sward
----------------, p. 601
The Physical Principles of Wave Guide Transmission and Antenna Systems
W. H. Watson
Review author[s]: La Vergne E. Williams
----------------, p. 601
Basic Botany
Fred W. Emerson
Review author[s]: Earl H. Newcomer
----------------, pp. 601-602
Physical Chemistry
E. D. Eastman; G. K. Rollefson
Review author[s]: Robert Epple
----------------, p. 602
Electric Contacts
Ragnar Holm
Review author[s]: Merle H. Bragdon
----------------, p. 602
Servomechanism Fundamentals
Henri Lauer; Robert Lesnick; Leslie E. Matson
Review author[s]: F. Carlin Weimer

Previous Issue: New Series, Vol. 106, No. 2762, Dec. 5, 1947
Next Issue: New Series, Vol. 106, No. 2764, Dec. 19, 1947



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Science, New Series, Vol. 106, No. 2764, Dec. 19, 1947


Previous Issue: New Series, Vol. 106, No. 2763, Dec. 12, 1947
Next Issue: New Series, Vol. 106, No. 2765, Dec. 26, 1947


Front Matter (2 pp.)
Petroleum--Today and Tomorrow, pp. 603-609
Kirtley F. Mather

UNESCO Initiates Cooperation in the Abstracting of Biological and Medical Sciences, pp. 609-611
Eileen R. Cunningham


Obituary
Hubert Lyman Clark: 1870-1947, pp. 611-612
Elisabeth Deichmann; Fenner A. Chace


News and Notes, pp. 612-616


Comments by Readers
A Detailed Scientific Report, p. 616
Scientist Needing a Passport, p. 616
The Recent Report of a Study made by Davis and Briggs Concerning the Growth-Promoting Action of Cellulose, pp. 616-617
Comment on ''An Auditory Afterimage,'' by Rosenblith, Miller, Egan, Hirsh, and Thomas, p. 617
The Recent Article by Stephen S. Visher on ''Starring in American Men of Science'', p. 617


Technical Papers
Effect of the Injection of Glucose into the Cerebrospinal Fluid, p. 618
Robert W. Lackey
The Function of Ac-Globulin in Blood Clotting, pp. 618-619
Arnold G. Ware; Robert C. Murphy; Walter H. Seegers
The Action of Pteroylglutamic Conjugates on Man, pp. 619-621
Sidney Farber; Elliott C. Cutler; James W. Hawkins; J. Hartwell Harrison; E. Converse Peirce; Gilbert G. Lenz


In the Laboratory
A Mincing Apparatus for the Preparation of Embryo Extract for Tissue Culture, p. 621
Esther Carpenter
Use of an Electric Drill-Operated Trephine in Preparing Turtles for Heart Beat Studies, p. 622
Jay A. Smith


Book Reviews
----------------, pp. 622-623
Sexual Behavior in the Human Male
Alfred C. Kinsey; Wardell B. Pomeroy; Clyde E. Martin
Review author[s]: Carl R. Moore
----------------, p. 623
Vector and Tensor Analysis
Louis Brand
Review author[s]: C. A. Truesdell
----------------, pp. 623-624
Differential and Integral Calculus: Functions of One Variable
D. Murnaghan
Review author[s]: Francis E. Johnston
----------------, p. 624
Proceedings of the Society for Experimental Stress Analysis
C. Lipson; W. M. Murray
Review author[s]: D. K. Wright


Scientific Book Register, p. 624

Previous Issue: New Series, Vol. 106, No. 2763, Dec. 12, 1947
Next Issue: New Series, Vol. 106, No. 2765, Dec. 26, 1947



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Science, New Series, Vol. 106, No. 2765, Dec. 26, 1947


Previous Issue: New Series, Vol. 106, No. 2764, Dec. 19, 1947
Next Issue: New Series, Vol. 107, No. 2766, Jan. 2, 1948


Front Matter (2 pp.)
The Chemical Components of Onion Vapors Responsible for Wound-Healing Qualities, pp. 625-627
Edward F. Kohman

The American Philosophical Society: Abstracts of Papers Presented at Autumn General Meeting, pp. 628-632


Obituary
Ellsworth Huntington: 1876-1947, pp. 632-633
Stephen S. Visher


News and Notes, pp. 633-636


Technical Papers
The Common Cold: A Note Regarding Isolation of an Agent, pp. 636-637
Norman H. Topping; Leon T. Atlas
The Effects of Vitamins on Phosphorus Metabolism in the Chick Embryo: 1. Vitamin D and the Utilization of Inorganic Phosphorus, pp. 637-638
Herman Branson; Harvey W. Banks; Louis B. Dodson
Streptomycin Therapy in Experimental Tuberculosis of Guinea Pigs Infected Intracerebrally with Virulent Tubercle Bacilli, pp. 638-639
W. Steenken; Emanuel Wolinsky
''Acid Phosphatase'' Reactions in Peripheral Nerves, pp. 639-641
G. W. Bartelmez; Sylvia H. Bensley
Polydactyly and Limb Duplication Occurring Naturally in the Tiger Salamander, Ambystoma tigrinum, pp. 641-642
David W. Bishop; Robert Hamilton
Antibiotic Activity of Subtilin and Streptomycin in the Presence of BAL, pp. 643-644
Hamilton H. Anderson; Yin-ch'ang Chin
Inadequate Maternal Nutrition and Hydrocephalus in Infant Rats, p. 644
Luther R. Richardson; Jeanne DeMottier
Effect of Flavonols on Clostridium botulinum, pp. 644-645
A. A. Andersen; J. A. Berry


In the Laboratory
A Flower Marker for Plant-Breeding Operations, p. 645
Charles M. Rick
Mounting of Dermatological Material with Synthetic Resins, p. 646
Leon Goldman; Lester Mason
Polytetrafluoroethylene for the Prevention of ''Bumping'' from Superheating of Boiling Fluids, p. 646
H. Stanley Bennett

Previous Issue: New Series, Vol. 106, No. 2764, Dec. 19, 1947
Next Issue: New Series, Vol. 107, No. 2766, Jan. 2, 1948



©2000-2007 JSTOR