Science, New Series, Vol. 89, No. 2297, Jan. 6, 1939


Previous Issue: New Series, Vol. 88, No. 2296, Dec. 30, 1938
Next Issue: New Series, Vol. 89, No. 2298, Jan. 13, 1939


Volume Information (9 pp.)
Front Matter (4 pp.)


The American Association for the Advancement of Science
Science and the State of Mind, pp. 1-4
Wesley C. Mitchell


Scientific Events
The New Geological Globe at the South Kensington Geological Museum, p. 4
Permanent Science Fund of the American Academy of Arts and Sciences, pp. 4-5
Leigh Hoadley
Award of the Hoover Medal of the American Society of Mechanical Engineers, pp. 5-6
Officers of the American Association for the Advancement of Science, p. 6
Recent Deaths and Memorials, pp. 6-7


Scientific Notes and News, pp. 7-9


Discussion
An Outworn Nomenclatural Practice, pp. 9-11
Wilfred H. Osgood
Eskimo Sexual Functions, pp. 11-12
C. A. Mills
Erythrocytes of Sloth, p. 12
E. DeWitt Miller
Science in the Old South, pp. 12-13
Jerome Alexander


Scientific Books
Cryptogamic Botany, pp. 13-14
Review author[s]: R. C. Benedict


Societies and Meetings
The Tennessee Academy of Science, pp. 14-15
John T. McGill
The Indiana Academy of Science, p. 15
Will E. Edington


Special Articles
The Shape of the Chick Embryo Growth Curve, pp. 16-17
I. Michael Lerner
The Role of Heredity Versus Environment in Limb Bud Transplants between Different Breeds of Fowl, pp. 17-18
Herbert L. Eastlick
New Observations on the Effects of Calcium Deprivation, p. 18
David M. Greenberg; Muriel D. D. Boelter; Benjamin W. Knopf


Science News, pp. 12a+14a+16a

Previous Issue: New Series, Vol. 88, No. 2296, Dec. 30, 1938
Next Issue: New Series, Vol. 89, No. 2298, Jan. 13, 1939



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Science, New Series, Vol. 89, No. 2298, Jan. 13, 1939


Previous Issue: New Series, Vol. 89, No. 2297, Jan. 6, 1939
Next Issue: New Series, Vol. 89, No. 2299, Jan. 20, 1939


Front Matter (3 pp.)


The American Association for the Advancement of Science
Mathematicians, and Poetry and Drama, pp. 19-26
Raymond Clare Archibald


Obituary
Charles Edward Munroe, pp. 26-27
C. A. Browne
Recent Deaths and Memorials, p. 27


Scientific Events
The Oceanographic Vessel Culver of the Bermuda Biological Station, p. 28
Farm Research Laboratories of the U. S. Department of Agriculture, pp. 28-29
Annual Report of the Director of Field Museum, Chicago, p. 29
The New York Meeting of the American Anthropological Association, pp. 29-30
Dr. Vannevar Bush, President of the Carnegie Institution of Washington, p. 30


Scientific Notes and News, pp. 30-32


Discussion
The Utilization of Microfilms in Scientific Research, pp. 32-34
Atherton Seidell
Improvement of Science Instruction, p. 34
Lloyd W. Taylor
The Benld Meteorite, Illinois No. 2, pp. 34-35
Ben Hur Wilson
What Did the Blue Jay Do with the Nut?, p. 35
Arnold Gesell


Special Articles
Mammary Carcinoma in the Rat with Metastasis Induced by Estrogen, pp. 35-37
Charles F. Geschickter
Fumaric Acid Formation Associated with Sexuality in a Strain of Rhizopus nigricans, p. 37
Jackson W. Foster; Selman A. Waksman
Gas Bubbles as Nuclei for "Oolites", pp. 37-38
Edwin B. Eckel
The Relation of Maximum Crushing Strength of Wood to the Degree of Swelling Induced by Various Chemicals, pp. 38-39
H. D. Erickson


Scientific Apparatus and Laboratory Methods
A Simple Method for Filing Miniature Negatives and Microfilm Records in Strips, pp. 39-40
Lee R. Dice
Control of Mold in Food for Drosophilae, p. 40
J. C. Cross


Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 89, No. 2297, Jan. 6, 1939
Next Issue: New Series, Vol. 89, No. 2299, Jan. 20, 1939



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Science, New Series, Vol. 89, No. 2299, Jan. 20, 1939


Previous Issue: New Series, Vol. 89, No. 2298, Jan. 13, 1939
Next Issue: New Series, Vol. 89, No. 2300, Jan. 27, 1939


Front Matter (5 pp.)
The Cell and the Problem of Organization, pp. 41-46
Edmund W. Sinnott


The American Association for the Advancement of Science
Mathematicians, and Poetry and Drama. II, pp. 46-50
Raymond Clare Archibald


Obituary
Edward Murray East, p. 51
R. A. Emerson


Scientific Events
The Academy of Sciences of the Soviet Union, p. 52
Jewish Physicians in Germany, pp. 52-53
The Council for Pediatric Research, p. 53
The Annual Report of the Secretary of the Smithsonian Institution, pp. 53-54
Award to Professor Wood of the Rumford Medal of the Royal Society, p. 54


Scientific Notes and News, pp. 54-57


Discussion
Biological Research Films, pp. 57-58
William R. Duryee; Robert Chambers
Another Treatment of the Units for F=ma, p. 58
Niel F. Beardsley
The Movement of Water from Concentrated to Dilute Solutions through Liquid Membranes, p. 58
Hans M. Cassel; Gilbert D. Miles
The American Association of Scientific Workers, pp. 58-59
Donald Horton


Scientific Books
Charles Darwin, p. 59
Charles Darwin. A Portrait
Geoffrey West
Review author[s]: T. D. A. Cockerell
Convergence, pp. 59-60
A Text-Book of Convergence
W. L. Ferrar
Review author[s]: J. L. Walsh


Special Articles
A Method of Extinguishing the Reflection of Light from Glass, pp. 60-61
Katharine B. Blodgett
City Air Searched for Sulfur Fumes, pp. 61-62
John F. McMahon
The Nature of the Carbohydrate in the Gonadotropic Substance of Pregnancy Urine, pp. 62-63
Samuel Gurin; Carl Bachman; D. Wright Wilson


Scientific Apparatus and Laboratory Methods
Intravenous Infusion Pump, pp. 63-64
Gerhard Katz
An Easy Method for Making an Index, p. 64
Lorus J. Milne


Science News, pp. 8a+10a+12a

Previous Issue: New Series, Vol. 89, No. 2298, Jan. 13, 1939
Next Issue: New Series, Vol. 89, No. 2300, Jan. 27, 1939



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Science, New Series, Vol. 89, No. 2300, Jan. 27, 1939


Previous Issue: New Series, Vol. 89, No. 2299, Jan. 20, 1939
Next Issue: New Series, Vol. 89, No. 2301, Special Issue Containing Reports of the First Richmond Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 3, 1939


Front Matter (3 pp.)


The American Association for the Advancement of Science
Earth Structure and Earth Origin, pp. 65-70
Kirtley F. Mather


Obituary
Edwin Herbert Hall, pp. 70-71
P. W. Bridgman


Scientific Events
The First High-Powered Radio Station without Static, p. 72
Grants of the National Foundation for Infantile Paralysis, pp. 72-73
The Annual Meeting of the South-Western Division, p. 73
V. C. Kiech
The American Institute of the City of New York and the American Association for the Advancement of Science, p. 74
Awards of the American Society of Civil Engineers, pp. 74-75
Scientific Research under the Federal Government, p. 75


Scientific Notes and News, pp. 75-78


Discussion
Undertow, pp. 78-79
F. P. Shepard; E. C. LaFond
Survival of the Tropical Rat Flea in United States, pp. 79-80
Robert L. Roudabush
Rediscovery of the Rhizocephalan Peltogaster paguri on the North American Coast, pp. 80-81
Edward G. Reinhard
Nomenclature of Gonad-Stimulating Hormones of Placental Origin, p. 81
E. B. Astwood; R. O. Greep


Scientific Books
Crystal Physics, pp. 81-82
A Text-Book on Crystal Physics
W. A. Wooster
Review author[s]: Hans Von R. Jaffe
Insects of Subtropical Fruits, p. 83
Insects of Citrus and Other Subtropical Fruits
Henry J. Quayle
Review author[s]: Ralph H. Smith


Special Articles
An Estimate of the Maximum Value for the Molecular Weight of the Tobacco Mosaic Virus Protein, pp. 84-85
Vernon L. Frampton; A. M. Saum
Relation between the Increase in Opacity of Yeast Suspensions during Glucose Metabolism and Assimilation, pp. 85-86
Theodore J. B. Stier; M. Isabel Newton; Herbert Sprince
The Use of Purified Thrombin as an Hemostatic Agent, p. 86
W. H. Seegers; E. D. Warner; K. M. Brinkhous; H. P. Smith
Isolation of Crystalline Heterotrypsin from Beef Pancreas, pp. 86-87
Klaus Hofmann; Max Bergmann


Scientific Apparatus and Laboratory Methods
Method for "Fixing Ice Crystal Patterns" in Frozen Products, p. 87
J. G. Woodroof
A New Apparatus and Method for Training the Rat in Auditory Discrimination Problems, pp. 87-88
W. A. Hunter; L. A. Pennington


Science News, pp. 6a-7a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 89, No. 2299, Jan. 20, 1939
Next Issue: New Series, Vol. 89, No. 2301, Special Issue Containing Reports of the First Richmond Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 3, 1939



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Science, New Series, Vol. 89, No. 2301, Special Issue Containing Reports of the First Richmond Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 3, 1939


Previous Issue: New Series, Vol. 89, No. 2300, Jan. 27, 1939
Next Issue: New Series, Vol. 89, No. 2302, Feb. 10, 1939


Front Matter (5 pp.)
The Richmond Meeting of the American Association for the Advancement of Science and Associated Societies, pp. 89-112
F. R. Moulton

Science News, pp. 42a+44a+46a+48a

Previous Issue: New Series, Vol. 89, No. 2300, Jan. 27, 1939
Next Issue: New Series, Vol. 89, No. 2302, Feb. 10, 1939



©2000-2007 JSTOR

Science, New Series, Vol. 89, No. 2302, Feb. 10, 1939


Previous Issue: New Series, Vol. 89, No. 2301, Special Issue Containing Reports of the First Richmond Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 3, 1939
Next Issue: New Series, Vol. 89, No. 2303, Feb. 17, 1939


Front Matter (2 pp.)


The American Association for the Advancement of Science
Seismology from a Mathematical View-Point, pp. 113-118
W. D. Cairns


Obituary
Calvin Blackman Bridges, pp. 118-119
T. H. Morgan
Henry Van Peters Wilson, pp. 119-120
W. C. George
Recent Deaths and Memorials, p. 120


Scientific Events
The National Health Program, pp. 120-121
Scientific Research and the Federal Government, pp. 121-122
Lincoln's Birthday Celebration for Democracy and Intellectual Freedom, pp. 122-123
The Second Annual William Lowell Putnam Mathematical Competition, p. 123
Awards of the Geological Society, London, pp. 123-124


Scientific Notes and News, pp. 124-126


Discussion
The Spiral Structure of Protoplasm, p. 127
W. D. Francis
The Sting of the Ant, Paraponera Clavata, pp. 127-128
Neal A. Weber
A Reversed Cryptobranchus, p. 128
Ira B. Hansen
Vegetative Reproduction of Squash Types, pp. 128-129
Wallace K. Bailey


Books and Literature
----------------, pp. 129-131
Sulfanilamide Therapy of Bacterial Infections
R. R. Mellon; Paul Gross; Frank B. Cooper
Review author[s]: Sanford M. Rosenthal


Special Articles
Hydrosols and Electrolytic Ions, p. 131
P. G. Nutting
The Asexual Life Cycle of the Avian Malaria Parasite, Plasmodium circumflexum, pp. 131-132
Reginald D. Manwell; Frederick Goldstein
The Prevention of Toxic Manifestations of an Excess of Vitamin B1 by Supplements of Manganese to the Diet, pp. 132-133
David Perla


Scientific Apparatus and Laboratory Methods
The Use of the Neon Glow Lamp in the Physiological Laboratory for the Elimination of Make Induction Shocks, pp. 133-134
J. Earl Thomas
Use of the Lundegardh Spectrographic Method, p. 134
Mary A. Griggs


Science News, pp. 5a-7a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 89, No. 2301, Special Issue Containing Reports of the First Richmond Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 3, 1939
Next Issue: New Series, Vol. 89, No. 2303, Feb. 17, 1939



©2000-2007 JSTOR

Science, New Series, Vol. 89, No. 2303, Feb. 17, 1939


Previous Issue: New Series, Vol. 89, No. 2302, Feb. 10, 1939
Next Issue: New Series, Vol. 89, No. 2304, Feb. 24, 1939


Front Matter (4 pp.)
Geology and Chemistry, pp. 135-139
Norman L. Bowen

Racial Theories and the Genetic Basis for Democracy, pp. 140-143
Henry A. Wallace


Obituary
Thomas Wingate Todd: January 15, 1885--December 28, 1938, pp. 143-144
Wilton Marion Krogman
Recent Deaths and Memorials, pp. 144-145


Scientific Events
Symposium of the American Institute of Physics on Temperature and Its Measurement, p. 145
The Baltimore Meeting of the American Chemical Society, pp. 145-146
The Toronto Meeting of the Federation of American Societies for Experimental Biology, p. 146
The Sixth Pacific Science Congress, pp. 146-147
The American Association for the Advancement of Science and the National Education Association, p. 147


Scientific Notes and News, pp. 147-150


Discussion
Descartes and the Modern World, pp. 150-152
Louis C. Karpinski
Authority Citations in Nomenclature, pp. 152-153
Raymond E. Janssen
Polychaete Annelid Worms in the Great Lakes, p. 153
Frederick H. Krecker
Elliptical Erythrocytes, p. 154
Herbert L. Ratcliffe


Scientific Books
Text-Books in Physics, pp. 154-157
Review author[s]: Gordon Ferrie Hull


Societies and Meetings
The American Chemical Society, pp. 157-159


Special Articles
Host-Parasite Interactions with Bacterial Wilt of Maize, pp. 159-160
Ralph E. Lincoln
A Simple Technique for Controlling Subjective Attitudes in Salivary Conditioning of Adult Human Subjects, pp. 160-161
G. H. S. Razran
The Cultivation of Tritrichomonas Foetus in Developing Chicken Eggs, pp. 161-162
N. D. Levine; C. A. Brandly; Robert Graham
The Production of Goiter in Chickens, p. 162
A. R. Patton; H. S. Wilgus; G. S. Harshfield


Science News, pp. 6a+8a-9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 89, No. 2302, Feb. 10, 1939
Next Issue: New Series, Vol. 89, No. 2304, Feb. 24, 1939



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Science, New Series, Vol. 89, No. 2304, Feb. 24, 1939


Previous Issue: New Series, Vol. 89, No. 2303, Feb. 17, 1939
Next Issue: New Series, Vol. 89, No. 2305, Mar. 3, 1939


Front Matter (2 pp.)


The American Association for the Advancement of Science
Science, Religion and Social Ethics, pp. 163-166
Richard Gregory


Concerning Ecological Principles, pp. 166-169
W. C. Allee; Thomas Park


Obituary
Stuart T. Danforth: 1900-1938, pp. 169-170
George N. Wolcott
Recent Deaths and Memorials, p. 170


Scientific Events
Archeological Work of the University of Nebraska for 1938, p. 171
Earl H. Bell
National Parks, p. 171
The Annual Report of the Director of the New York Botanical Garden, pp. 171-172
A Center for Mathematical Analysis at the Massachusetts Institute of Technology, pp. 172-173
In Honor of Havelock Ellis, p. 173
Awards of the American Institute of Mining and Metallurgical Engineers, p. 173


Scientific Notes and News, pp. 173-176


Discussion
Do the Isotopes of an Element Have Identical Chemical Properties?, pp. 176-177
T. Ivan Taylor
Spawning of Ostrea Virginica at Low Temperatures, pp. 177-178
Victor L. Loosanoff
Handedness of Twins, pp. 178-179
D. C. Rife
"Manifesto" by a Physicist, p. 179
P. W. Bridgman


Societies and Meetings
The Fifth Washington Conference on Theoretical Physics, pp. 180-182
C. F. Squire; F. G. Brickwedde; E. Teller; M. A. Tuve


Reports
The Banting Research Foundation, pp. 182-183
V. E. Henderson; A. W. Ham


Special Articles
The Occurrence of Gamma Tocopherol in Corn Embryo Oil, p. 183
Oliver H. Emerson; Gladys A. Emerson; Herbert M. Evans
The Quantitative Determination of Vitamin C in Milk, pp. 183-185
Claude A. Knight; R. Adams Dutcher; N. B. Guerrant
A Plant Growth Inhibitor, pp. 185-186
Wm. S. Stewart; Wm. Bergren; C. E. Redemann


Science News, pp. 5a-6a

Previous Issue: New Series, Vol. 89, No. 2303, Feb. 17, 1939
Next Issue: New Series, Vol. 89, No. 2305, Mar. 3, 1939



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Science, New Series, Vol. 89, No. 2305, Mar. 3, 1939


Previous Issue: New Series, Vol. 89, No. 2304, Feb. 24, 1939
Next Issue: New Series, Vol. 89, No. 2306, Mar. 10, 1939


Front Matter (5 pp.)


Elihu Thomson
Elihu Thomson's Interest in Research, pp. 187-188
W. D. Coolidge
Elihu Thomson the Scientist, pp. 188-191
Karl T. Compton


Obituary
William McDougall, pp. 191-192
Karl Zener
Recent Deaths and Memorials, pp. 192-193


Scientific Events
The Public Works Administration and the National Park Service, p. 193
The Dedication of the McDonald Observatory, pp. 193-194
Award of the Hillebrand Prize of the Chemical Society of Washington, p. 194
Award of the Willard Gibbs Medal to Dr. Van Slyke, p. 195


Scientific Notes and News, pp. 195-197


Discussion
William Brewster: New England Naturalist, pp. 198-199
Paul H. Oehser
The Fermentation Test for Thiamin, pp. 199-200
Roger J. Williams; Ernest F. Pratt
The Influence of Some Digestive Ferments on the Experimental Crown-Gall, p. 200
S. F. Snieszko; J. Paluch
Alepric and Aleprylic Acids, New Homologs of Chaulmoogric Acid, p. 200
Howard I. Cole; Humberto T. Cardoso


Societies and Meetings
The Society of the Sigma Xi, p. 201
Edward Ellery
Financial Reports of the American Association for the Advancement of Science at the Richmond Meeting, pp. 201-202


Reports
Droplet Fission of Uranium and Thorium Nuclei, pp. 202-203
M. A. Tuve


Special Articles
Possible Avitaminosis K Produced in Mice by Dietary Means, pp. 203-204
Rosemary Murphy
The Sodium Factor of the Adrenal, p. 204
Frank A. Hartman; Herbert J. Spoor; Lena A. Lewis
Immunization to Infectious Myxomatosis, p. 205
Roscoe R. Hyde


Scientific Apparatus and Laboratory Methods
A Modification of the Set-Up for Wick Culture, pp. 205-206
M. A. Raines


Science News, pp. 10-14

Previous Issue: New Series, Vol. 89, No. 2304, Feb. 24, 1939
Next Issue: New Series, Vol. 89, No. 2306, Mar. 10, 1939



©2000-2007 JSTOR

Science, New Series, Vol. 89, No. 2306, Mar. 10, 1939


Previous Issue: New Series, Vol. 89, No. 2305, Mar. 3, 1939
Next Issue: New Series, Vol. 89, No. 2307, Mar. 17, 1939


Front Matter (4 pp.)
Contrasts, pp. 207-212
Frederick G. Keyes


Obituary
Samuel Prentiss Baldwin, pp. 212-213
Francis H. Herrick
Recent Deaths, p. 213


Scientific Events
The Henry G. Lapham Fijian Expedition, p. 214
Elwood C. Zimmerman
The Work of the Commonwealth Fund, pp. 214-215
Standards for Photography, p. 215
Student Affiliate Chapters of the American Chemical Society, p. 215
The Geological Society of America, pp. 215-216
The Division of the British Association for the Social and International Relations of Science, p. 216


Scientific Notes and News, pp. 216-219


Discussion
Microfilm Copying of Scientific Literature, pp. 219-220
Atherton Seidell
An Easier Method for Making an Index, pp. 220-221
Mabel Hunt Doyle; Mary A. Bradley
Evidences of a Pre-Ceramic Cultural Horizon in Smith County, Kansas, p. 221
Loren C. Eiseley


Scientific Books
Travels of a Plant Explorer, pp. 221-223
The World Was My Garden. Travels of a Plant Explorer
David Fairchild
Review author[s]: T. D. A. Cockerell


Reports
Pilot Fitness for Night Flying, pp. 223-226
C. E. Ferree; G. Rand


Special Articles
Human Toxoplasmosis: Occurrence in Infants as an Encephalomyelitis Verification by Transmission to Animals, pp. 226-227
Abner Wolf; David Cowen; Beryl Paige
The Localization of Minerals in Animal Tissues by the Electron Microscope, pp. 227-228
Gordon H. Scott; Donald M. Packer
Experimental Proliferative Arthritis in Mice Produced by Filtrable, Pleuropneumonia-Like Microorganisms, pp. 228-229
Albert B. Sabin


Scientific Apparatus and Laboratory Methods
Devices for Visual Comparison of Spectrograms, pp. 229-230
George E. Davis
A Gasoline-Torch Laboratory Burner, p. 230
John J. Lynch


Science News, pp. 6a+8a-9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 89, No. 2305, Mar. 3, 1939
Next Issue: New Series, Vol. 89, No. 2307, Mar. 17, 1939



©2000-2007 JSTOR

Science, New Series, Vol. 89, No. 2307, Mar. 17, 1939


Previous Issue: New Series, Vol. 89, No. 2306, Mar. 10, 1939
Next Issue: New Series, Vol. 89, No. 2308, Mar. 24, 1939


Front Matter (4 pp.)
Engineering's Part in the Development of Civilization, pp. 231-237
Dugald C. Jackson


Obituary
Edward Sapir, pp. 237-238
Leslie Spier
Edmund Cecil Shorey: 1865-1939, p. 238
Oswald Schreiner
Recent Deaths, pp. 238-239


Scientific Events
Work of the School of Tropical Medicine at the University of Puerto Rico, p. 239
Admission Requirements in the College of Engineering at Cornell University, pp. 239-240
The Chemical Engineering Laboratory of the Case School of Applied Science, p. 240
Survey of Medical Research Facilities in Canada, pp. 240-241
The National Association of Biology Teachers, p. 241
Election of Resident Members of the Washington Academy of Sciences, p. 241
Dr. Albert Einstein, p. 242


Scientific Notes and News, pp. 242-244


Discussion
Safeguarding Type Specimens, p. 245
F. R. Fosberg
An Uncommon Method for the Determination of "G", pp. 245-246
H. Landsberg
Foreign Journals in the U.S.S.R., p. 246
A. V. Hill
The Manifesto by a Physicist, pp. 246-248
Douglas Johnson


Scientific Books
Insulin, p. 248
Insulin. Its Chemistry and Physiology
Hans F. Jensen
Review author[s]: C. H. Best
Mathematical Snapshots, pp. 248-249
Mathematical Snapshots
H. Steinhaus
Review author[s]: E. T. Bell


Special Articles
Characterization of Gonadotropic Hormones of the Hypophysis by Their Sugar and Glucosamine Content, pp. 249-250
Herbert M. Evans; H. Fraenkel-Conrat; Miriam E. Simpson; C. H. Li
A Selective Action of Urine and Serum from Patients with Malignant Tumors on Embryonal and Newly Growing Tissues, pp. 250-251
Theodore H. Elsasser; George B. Wallace
Splitting Proteins by Ultraviolet Light, p. 251
D. C. Carpenter
Vitamin B1 in Cerebrospinal Fluid, p. 251
Gilberto G. Villela


Scientific Apparatus and Laboratory Methods
A New Dissecting Appliance, p. 252
Philip H. Pope
Satisfactory Substitute for Soda Lime in Respiration Calorimetry, p. 252
E. B. Forbes
A Method for Obtaining a Continuous Measurement of Soil Moisture under Field Conditions, p. 252
Geo. J. Bouyoucos; A. H. Mick


Science News, pp. 8a+10a-11a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 89, No. 2306, Mar. 10, 1939
Next Issue: New Series, Vol. 89, No. 2308, Mar. 24, 1939



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Science, New Series, Vol. 89, No. 2308, Mar. 24, 1939


Previous Issue: New Series, Vol. 89, No. 2307, Mar. 17, 1939
Next Issue: New Series, Vol. 89, No. 2309, Mar. 31, 1939


Front Matter (3 pp.)


The American Association for the Advancement of Science
Some Thoughts on the Problem of Progress and Decline, pp. 253-258
John R. Swanton


Obituary
Edmund Beecher Wilson: 1856-1939, pp. 258-259
Thomas Hunt Morgan
Samuel Steen Maxwell, pp. 259-260
J. M. D. Olmsted
Recent Deaths, p. 260


Scientific Events
The Imperial Bureau of Dairy Science, pp. 260-261
Scholarships of the Westinghouse Electric and Manufacturing Company at the Carnegie Institute of Technology, p. 261
Grants of the Commonwealth Fund in Aid of Medical Research, pp. 261-262
Grants of the Geological Society of America, pp. 262-263
The Pacific Division of the American Association for the Advancement of Science, p. 263


Scientific Notes and News, pp. 263-266


Discussion
Nuclear and Cytoplasmic Effects of Ultra-Violet Light, pp. 266-267
A. C. Giese
A Species of Azotobacter Tolerant to High Acidity, p. 267
Robert L. Starkey
Hippoboscid Flies from North American Doves, pp. 267-268
J. Bequaert
Stomatal Index and Transpiration Rate of Leaves, pp. 268-269
Hugh B. Smith


Societies and Meetings
The New York Meeting of the American Physical Society, pp. 269-270
Caryl P. Haskins


Special Articles
Pathogenic Pleuropneumonia-Like Microorganisms from Acute Rheumatic Exudates and Tissues, pp. 271-272
Homer F. Swift; Thomas McPherson Brown
The Process of Continuous Deamination and Reamination of Amino Acids in the Proteins of Normal Animals, pp. 272-273
Rudolf Schoenheimer; S. Ratner; D. Rittenberg
A Method for Producing Persistent Hypertension by Cellophane, pp. 273-274
Irvine H. Page
The Successful Treatment of Meningo-Encephalitis, Associated with Canine Distemper, with Sulfanilamide, p. 274
M. L. Morris; T. J. Murray


Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 89, No. 2307, Mar. 17, 1939
Next Issue: New Series, Vol. 89, No. 2309, Mar. 31, 1939



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Science, New Series, Vol. 89, No. 2309, Mar. 31, 1939


Previous Issue: New Series, Vol. 89, No. 2308, Mar. 24, 1939
Next Issue: New Series, Vol. 89, No. 2310, Apr. 7, 1939


Front Matter (4 pp.)
Josiah Willard Gibbs, pp. 275-282
Charles A. Kraus


Obituary
Professor S. P. L. Sorensen, pp. 282-283
Wm. Mansfield Clark
Fabian Franklin, p. 283
F. D. Murnaghan
Earl E. Hoover, pp. 283-284
Carl L. Hubbs
Recent Deaths, p. 284


Scientific Events
Excursions at the California Meeting of the American Geological Society of America, pp. 284-285
Awards of the Alfred P. Sloan Foundation, p. 285
Election of Fellows of the Royal Society, London, pp. 285-286
The Establishment of an Institute of Technology at Northwestern University, pp. 286-287


Scientific Notes and News, pp. 287-290


Discussion
Climate and Reproduction, pp. 290-292
M. F. Ashley-Montagu
Vitamin B1 in Soil, p. 292
Virgil Greene Lilly; Leon H. Leonian
Preserving the Viability of Bermuda Onion Seed, pp. 292-293
Edgar Brown
Bacteria of the Listerella Group Isolated from Foxes, p. 293
H. W. Cromwell; E. E. Sweebe; T. C. Camp
The Anti-Menorrhagic Factor of Mammalian Liver Fat, pp. 293-294
Harold O. Wiles; Siegfried Maurer


Scientific Books
Recent Botanical Books, pp. 294-297
Economic Botany: A Textbook of Useful Plants and Plant Products
Albert F. Hill
Herbals, Their Origin and Evolution
Agnes Arber
Introduction to Plant Pathology
Frederick DeForest Heald
Plant Ecology
John E. Weaver; Frederic E. Clements
Plant Physiology
Edwin C. Miller
The Structure and Development of the Fungi
H. C. I. Gwynne-Vaughan; B. Barnes
The Structure of Economic Plants
Herman E. Hayward
General Plant Physiology
E. C. Barton Wright
A Bibliography of Eastern Asiatic Botany
Elmer D. Merrill; Egbert H. Walker
Review author[s]: W. W. Robbins; B. F. Lutman; Neil E. Stevens; Paul B. Sears; F. E. Denny; John N. Couch; William J. Robbins; John H. Barnhart


Special Articles
Vitamin Research, pp. 297-298
Treat B. Johnson; Margaret M. Endicott
The Preparation of Glutathione Containing Radioactive Sulfur, pp. 298-300
Rachel G. Franklin
Crystalline Horse Liver Catalase, p. 300
Alexander L. Dounce; Orville D. Frampton
Infection of Chicks and Chick Embryos with Rabies, pp. 300-301
James R. Dawson


Scientific Apparatus and Laboratory Methods
Use of Luminous Paint for Observation of Animal Movements in the Dark, p. 301
John H. Lochhead
Quantitative Transfer of Aqueous Solutions, pp. 301-302
Robert Ballentine
Amphibian Gametes as Biological Test Material, p. 302
Roberts Rugh


Science News, pp. 6a+8a-9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 89, No. 2308, Mar. 24, 1939
Next Issue: New Series, Vol. 89, No. 2310, Apr. 7, 1939



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Science, New Series, Vol. 89, No. 2310, Apr. 7, 1939


Previous Issue: New Series, Vol. 89, No. 2309, Mar. 31, 1939
Next Issue: New Series, Vol. 89, No. 2311, Apr. 14, 1939


Front Matter (5 pp.)


The American Association for the Advancement of Science
Thiamin and Plant Growth, pp. 303-307
William J. Robbins


Obituary
James Playfair McMurrich, pp. 307-308
J. C. Watt
Carlos Clyde Goff: 1905-1939, p. 309
Marion N. Walker
Recent Deaths, p. 309


Scientific Events
The Institute of Geology of Venezuela, pp. 309-310
N. B. Knox
The Tropical Station of the Missouri Botanical Garden, p. 310
Science at the New York World's Fair, pp. 310-311
The Award of Guggenheim Fellowships, pp. 311-312
The Abraham Flexner Lectures at the Medical School at Vanderbilt University, p. 312


Scientific Notes and News, pp. 312-314


Discussion
A Military Classification for Fossil Fragments, pp. 314-315
Carey Croneis
Revision of Dental Symbols, pp. 315-316
E. S. Riggs
Terminal Zigzags in Snowslide Striations, p. 316
J. Robert Wells
A Winter Whirlwind, pp. 316-317
H. D. Matthews
"Titans of the Deep", p. 317
William Beebe


Scientific Books
Statistical Methods, pp. 317-318
Statistical Methods--Applied to Experiments in Agriculture and Biology
George W. Snedecor
Review author[s]: Edward L. Dodd
The Physical World, p. 318
Our Physical World
Echels; Shaver; Howard
Review author[s]: Gordon Ferrie Hull


Reports
The Rockefeller Foundation, p. 319


Special Articles
The Determination of Ethylene Evolved by Apples and Pears, pp. 319-321
Bert E. Christensen; Elmer Hansen; Vernon H. Cheldelin; J. B. Stark
Role of Hormones in the Sexual Reaction of Heterothallic Achlyas, pp. 321-322
John R. Raper
Vitamin C Treatment in Lead Poisoning, pp. 322-323
Harry N. Holmes; Edward J. Amberg; Kathryn Campbell


Scientific Apparatus and Laboratory Methods
Iron Hematoxylin Stain Containing High Concentration of Ferrous Iron, pp. 323-324
Wilton R. Earle
``Spotting'' Specimens for Catalogue Numbers, p. 324
A. S. Warthin
The Care of Skulls and Skeletons of Small Animals, p. 324
Richard M. Bond


Science News, pp. 10a+12a+14a

Previous Issue: New Series, Vol. 89, No. 2309, Mar. 31, 1939
Next Issue: New Series, Vol. 89, No. 2311, Apr. 14, 1939



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Science, New Series, Vol. 89, No. 2311, Apr. 14, 1939


Previous Issue: New Series, Vol. 89, No. 2310, Apr. 7, 1939
Next Issue: New Series, Vol. 89, No. 2312, Apr. 21, 1939


Front Matter (4 pp.)
Expanding Consciousness and Democracy, pp. 325-329
H. W. Shimer

"How Soon Will the 'Manual' Be Done?": A Plea for Some Undisturbed Moments, pp. 329-332
Merritt L. Fernald


Obituary
Wilton Everett Britton: 1868-1939, pp. 332-333
W. C. O'Kane
Recent Deaths and Memorials, p. 333


Scientific Events
Patent Inquiry of the American Engineering Council, pp. 333-334
The British Journal of Endocrinology, p. 334
Tour of the Industrial Research Institute, pp. 334-335
Awards of the Lalor Foundation, p. 335
Celebration of the Sixtieth Birthday of Albert Einstein, pp. 335-336


Scientific Notes and News, pp. 336-339


Discussion
Disease, Damage and Pollination Types in "Grains", pp. 339-340
Neil E. Stevens
Artifacts in Canadian River Terraces, pp. 340-341
Junius Bird
A New Outline Map of North America for Phytogeographers, pp. 341-342
William Campbell Steere
Mechanics of Indexing, p. 342
E. H. McClelland


Scientific Books
Asiatic Botany, pp. 342-343
A Bibliography of Eastern Asiatic Botany
Elmer D. Merrill; Egbert H. Walker
Review author[s]: Paul H. Oehser
Grigore Antipa, p. 343
Grigore Antipa. Hommage à son oeuvre. 10 décembre, 1867--10 décembre, 1937
Review author[s]: Charles Upson Clark


Reports
Pure and Applied Science Research at Mellon Institute, pp. 343-345
W. A. Hamor


Special Articles
Disintegration of Tobacco Mosaic Virus in Urea Solutions, pp. 345-347
W. M. Stanley; Max A. Lauffer
Synthetic Vitamin B6, p. 347
Stanton A. Harris; Karl Folkers
Xenia in the Chestnut, pp. 348-349
J. W. McKay; H. L. Crane


Scientific Apparatus and Laboratory Methods
Chlorazol Fast Pink BKS as an Anti-Coagulant, pp. 349-350
Walter Modell
Effective Control of Culture Mites by Mechanical Exclusion, p. 350
H. N. Hansen; William C. Snyder


Science News, pp. 8a+10a-11a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 89, No. 2310, Apr. 7, 1939
Next Issue: New Series, Vol. 89, No. 2312, Apr. 21, 1939



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Science, New Series, Vol. 89, No. 2312, Apr. 21, 1939


Previous Issue: New Series, Vol. 89, No. 2311, Apr. 14, 1939
Next Issue: New Series, Vol. 89, No. 2313, Apr. 28, 1939


Front Matter (4 pp.)
The Opposition to Eugenics, pp. 351-357
S. J. Holmes


Obituary
Raymond A. Pearson: 1873-1939, pp. 357-358
Recent Deaths and Memorials, pp. 358-359


Scientific Events
The Netherlands Gravity Expedition, p. 359
The Soil Conservation Service, pp. 359-360
Expansion of Facilities at the Worcester Polytechnic Institute, p. 360
Laboratories of the Delamar Institute of Public Health at Columbia University, pp. 360-361
Symposia in Physics at the University of Chicago, p. 361


Scientific Notes and News, pp. 361-364


Discussion
A Classification of Weeds and Weed-Like Plants, pp. 364-365
Edgar Anderson
Oat Hay Poisoning, p. 365
W. B. Bradley; O. A. Beath; H. F. Eppson
Early Man in Western and North-Western Canada, pp. 365-366
Wesley L. Bliss
The Blue Jay Cached the Nut, p. 366
William Beebe


Societies and Meetings
The Pennsylvania Academy of Science, pp. 366-367
Bradford Willard
The Oklahoma Academy of Science, p. 367
G. L. Cross
Activities of the Cuban Society of Natural History, p. 367
Luis Howell Rivero


Reports
Financial Status of the Biological Stain Commission, pp. 367-368
E. V. Cowdry; Louis Gershenfeld; H. E. Jordan; S. I. Kornhouser; F. B. Mallory; J. T. Scanlon; W. D. Stovall; H. J. Conn


Special Articles
The Loss of Resistance to Murine Typhus Infection Resulting from Riboflavin Deficiency in Rats, pp. 368-370
Henry Pinkerton; Otto A. Bessey
Preliminary Note on the Mode of Union of the Galacturonic Residues in Pectic Acid, p. 370
P. A. Levene; G. M. Meyer; Martin Kuna
Vitamin E and Nutritional Muscular Dystrophy, pp. 370-371
C. G. Mackenzie; E. V. McCollum


Scientific Apparatus and Laboratory Methods
"Lucite" for Microscopic Transillumination, pp. 371-372
Lee S. Fent
Lantern Slides from Typewritten Material, p. 372
Thorne M. Carpenter


Science News, pp. 8a+10a-11a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 89, No. 2311, Apr. 14, 1939
Next Issue: New Series, Vol. 89, No. 2313, Apr. 28, 1939



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Science, New Series, Vol. 89, No. 2313, Apr. 28, 1939


Previous Issue: New Series, Vol. 89, No. 2312, Apr. 21, 1939
Next Issue: New Series, Vol. 89, No. 2314, May 5, 1939


Front Matter (5 pp.)
Edward Orton, Geologist, pp. 373-378
A. C. Swinnerton


Obituary
Jacob Goodale Lipman, pp. 378-379
A. G. McCall
Adolf Carl Noé, pp. 379-380
Carey Croneis
Recent Deaths and Memorials, p. 380


Scientific Events
The Royal Research Ship "Research", p. 381
The Puget Sound Entomological Society, p. 381
The Seventieth Anniversary of the American Museum of Natural History, p. 382
The American Philosophical Society, p. 382
Harvey Cushing's Seventieth Birthday, p. 383
J. F. F.


Scientific Notes and News, pp. 383-386


Discussion
On the Path of the Firefly While Periodically Flashing, pp. 386-387
Chas. T. Knipp
Patents for Acts of Nature, pp. 387-389
Charles E. Ruby
Space Perception by Radio, p. 389
Max F. Meyer
Microbiology of Coal, pp. 389-390
Frieda Weinstock Fuchs


Societies and Meetings
The First South American Botanical Congress, pp. 390-391
C. O. Erlanson


Special Articles
Sex Mechanism in Polyploids of Melandrium, pp. 391-392
H. E. Warmke; A. F. Blakeslee
Broad Protective Action of Rabbit Antipneumococcus Serum in Rats, pp. 392-393
H. M. Powell; W. A. Jamieson
The Availability of Manganese in Avian Digestion, p. 393
H. S. Wilgus; A. R. Patton
Movement of Radiophosphorus in Bean Seedlings, pp. 393-394
Orlin Biddulph


Science News, pp. 10a+12a+14a

Previous Issue: New Series, Vol. 89, No. 2312, Apr. 21, 1939
Next Issue: New Series, Vol. 89, No. 2314, May 5, 1939



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Science, New Series, Vol. 89, No. 2314, May 5, 1939


Previous Issue: New Series, Vol. 89, No. 2313, Apr. 28, 1939
Next Issue: New Series, Vol. 89, No. 2315, May 12, 1939


Front Matter (5 pp.)


The National Academy of Sciences
Address of the President, pp. 395-397
Frank R. Lillie
Abstracts of Papers, pp. 397-404


Obituary
Herbert Henry woollard, pp. 404-405
William L. Straus
Recent Deaths, p. 405


Scientific Events
Grants for Research of the American Association for the Advancement of Science, p. 405
Summer Botanical Meetings in Virginia, Wisconsin and California, pp. 405-406
Medals of the Franklin Institute, pp. 406-407
Medals of the National Academy of Sciences, pp. 407-408
Elections of the National Academy of Sciences, p. 408


Scientific Notes and News, pp. 408-411


Discussion
The First Experiment in Plant Physiology, pp. 411-412
Ralph C. Benedict
Method of Entrance of Certain Fish into an Estuary, pp. 412-413
Harold M. Rogers
Compound Words in Present-Day English, p. 413
C. A. Weatherby


Special Correspondence
Scientific Work of the Tenth Sokol Festival, pp. 413-415
F. A. Hellebrandt; Jiri Kral


Special Articles
The Effect of Sex Hormones on the Normal Resistance of Rats to Cysticercus Crassicollis, pp. 415-416
Dan H. Campbell
The Antidermatosis Vitamin Required for Reproduction in the Domestic Fowl, pp. 416-417
J. C. Bauernfeind; L. C. Norris
Induced Parthenocarpy of Watermelon, Cucumber and Pepper, pp. 417-418
Cheong-Yin Wong
Shortening Daylight Periods between May 15 and September 12 and the Pelt Cycle of the Mink, pp. 418-419
Thomas Hume Bissonnette; Everett Wilson


Scientific Apparatus and Laboratory Methods
A Glass and Rubber Laboratory Pump, pp. 419-420
E. L. Lazier
An Inexpensive Warm Stage, p. 420
E. M. Abrahamson


Science News, pp. 10a+12a+14a

Previous Issue: New Series, Vol. 89, No. 2313, Apr. 28, 1939
Next Issue: New Series, Vol. 89, No. 2315, May 12, 1939



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Science, New Series, Vol. 89, No. 2315, May 12, 1939


Previous Issue: New Series, Vol. 89, No. 2314, May 5, 1939
Next Issue: New Series, Vol. 89, No. 2316, May 19, 1939


Front Matter (4 pp.)


The American Association for the Advancement of Science
The Interrelation of Soils and Plant, Animal and Human Nutrition, pp. 421-427
E. C. Auchter


Obituary
John Henry Schaffner, pp. 427-428
Adolph Waller
Arthur E. Hill, pp. 428-429
J. P. Simmons


Scientific Events
The Swedish State Institute of National Health, p. 429
Study of the Distribution of the Ferns and Flowering Plants of Pennsylvania, pp. 429-430
Honorary Members of the Horticultural Society of New York, p. 430
The Dundee Meeting of the British Association for the Advancement of Science, pp. 430-431
The Fiftieth Anniversary of the Johns Hopkins Hospital, p. 431


Scientific Notes and News, pp. 431-434


Discussion
Will Iodine Come to Be Considered an Essential Plant Nutrient?, pp. 434-435
W. L. Powers
Range Plant Newly Found to Be Poisonous, p. 435
A. W. Deem; Frank Thorp; L. W. Durrell
The Transport of Water to Anode Or Cathode through Non-Aqueous Liquids, pp. 435-436
Charles C. Rainey
Proposing the Term, Predatee, p. 436
L. D. Wooster


Societies and Meetings
The American Philosophical Society, pp. 436-437
Edwin G. Conklin
The National Academy of Sciences, pp. 437-441


Special Articles
An Intermediate Host for the Swine Influenza Virus, pp. 441-442
Richard E. Shope
A Cutaneous Test for Tuberculosis in Primates, pp. 442-443
Margaret A. Kennard; Charles R. Schroeder; James D. Trask; John R. Paul
The Quantitative Determination of Soy-Bean Protein in Sausage Or Other Protein Mixtures, p. 444
John H. Glynn


Science News, pp. 10a+12a-13a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 89, No. 2314, May 5, 1939
Next Issue: New Series, Vol. 89, No. 2316, May 19, 1939



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Science, New Series, Vol. 89, No. 2316, May 19, 1939


Previous Issue: New Series, Vol. 89, No. 2315, May 12, 1939
Next Issue: New Series, Vol. 89, No. 2317, May 26, 1939


Front Matter (4 pp.)


The National Academy of Sciences
History in the Archives of the Royal Society, pp. 445-453
William Bragg


Scientific Events
The Zoological Society of London, p. 453
The Transfer of Difficult Alpine Plants Made at Washington Arboretum, pp. 453-454
J. B. F.
Developments in Engineering at Cornell University, pp. 454-455
The Annual Report of the Brooklyn Botanic Garden, p. 455
Symposium on the Cell and Protoplasm, pp. 455-456
The American Academy of Arts and Sciences, p. 456
Recent Deaths and Memorials, pp. 456-457


Scientific Notes and News, pp. 457-460


Discussion
The Luminescence of Adhesive Tape, pp. 460-461
E. Newton Harvey
Consumption of Teosinte Seed by Birds in Guatemala, pp. 461-462
Raymond Stadelman
Mull Soil under Spruce, p. 462
Arthur Paul Jacot
Graptolites from Highgate, Vermont, pp. 462-463
C. E. Gordon


Societies and Meetings
Joint Symposium of the American Chemical Society, the University of Wisconsin and the American Association for the Advancement of Science, pp. 463-464
Harold C. Urey


Special Articles
The Synthesis of a Polysaccharide from Glucose-1-Phosphate in Muscle Extract, pp. 464-465
Carl F. Cori; Gerhard Schmidt; Gerty T. Cori
The Effect of Ultra-Violet Light on Built-Up Multilayers, pp. 465-466
Vincent J. Schaefer


Scientific Apparatus and Laboratory Methods
A Method for Estimating the Degree of Mineralization of Bones from Tracings of Roentgenograms, p. 467
Pauline Beery Mack; Anne T. O'Brien; Janice M. Smith; Arthur W. Bauman
A Thermoregulator and Relay Assembly, p. 468
Donald Greiff


Science News, pp. 10a+12a-13a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 89, No. 2315, May 12, 1939
Next Issue: New Series, Vol. 89, No. 2317, May 26, 1939



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Science, New Series, Vol. 89, No. 2317, May 26, 1939


Previous Issue: New Series, Vol. 89, No. 2316, May 19, 1939
Next Issue: New Series, Vol. 89, No. 2318, Jun. 2, 1939


Front Matter (5 pp.)


The American Association for the Advancement of Science
Preliminary Announcement of the Milwaukee Meeting, pp. 469-474
F. R. Moulton


Science Versus Unemployment, pp. 474-479
Robert I. Allen


Scientific Events
The Darwin Library at Down House, p. 479
Standards of the American Society for Testing Materials, pp. 479-480
Conferences on Theoretical Physics and Spectroscopy, p. 480
Boston Society of Natural History, p. 480
In Honor of Glover Morrill Allen, pp. 480-481
Presentation of the Willard Gibbs Medal, p. 481


Scientific Notes and News, pp. 481-484


Discussion
A Dilemma in Vitamins, pp. 484-485
Vilhjalmur Stefansson
A Quantitative Measurement of the Natural Rate of Growth of Calcite Crystals in Geodes, p. 485
Leroy T. Patton
Pantothenic Acid--A Vitamin, p. 486
Roger J. Williams
The Effect of X-Ray on the Coccidia of the Rabbit, p. 486
Ralph F. Honess


Scientific Books
The Geological Sciences, pp. 486-487
The Birth and Development of the Geological Sciences
Frank Dawson Adams
Review author[s]: Kirtley F. Mather
Chemistry of the Carbon Compounds, p. 487
Richter-Anschütz. The Chemistry of the Carbon Compounds; Vol. II, The Alicyclic Compounds and Natural Products
T. W. J. Taylor; A. F. Millidge
Season of Birth: Its Relation to Human Abilities
Ellsworth Huntington
Review author[s]: Marston Taylor Bogert; Stephen S. Visher


Special Articles
Ocean-Bottom Currents off the California Coast, pp. 488-489
F. P. Shepard; R. Revelle; R. S. Dietz
Inhibition of Gastric Secretion by Extracts of Normal Male Urine, pp. 489-490
J. S. Gray; E. Wieczorowski; A. C. Ivy
Nicotinic Acid in Swine Nutrition, pp. 490-491
L. C. Madison; R. C. Miller; T. B. Keith


Scientific Apparatus and Laboratory Methods
A Precision Device for Faradic Stimulation, pp. 491-492
Frederick A. Fender
An Apparatus for Removal of Deleterious Bacteria from Certain Protozoan Cultures, p. 492
Walter Stewart


Science News, pp. 10a+12a+14a

Previous Issue: New Series, Vol. 89, No. 2316, May 19, 1939
Next Issue: New Series, Vol. 89, No. 2318, Jun. 2, 1939



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Science, New Series, Vol. 89, No. 2318, Jun. 2, 1939


Previous Issue: New Series, Vol. 89, No. 2317, May 26, 1939
Next Issue: New Series, Vol. 89, No. 2319, Jun. 9, 1939


Front Matter (4 pp.)
The Dedication of the McDonald Observatory, pp. 493-499
Otto Struve

Biophysics and Hydraulic Engineering, pp. 499-501
J. F. Herrick


Obituary
Recent Deaths and Memorials, pp. 501-502


Scientific Events
The Lake Laboratory of the Ohio State University, p. 502
The Battelle Memorial Institute, pp. 502-503
The Food Technology Conference at the Massachusetts Institute of Technology, p. 503
The Stanford University Meeting of the Pacific Division of the American Association for the Advancement of Science, p. 504
J. Murray Luck
The Election of Foreign Members of the Royal Society, p. 504


Scientific Notes and News, pp. 504-507


Discussion
Birth Pains of the Association, pp. 507-508
F. R. Moulton
Preliminary Announcement of the Goose Lake, California, Meteorite, p. 508
Frederick C. Leonard
A Parasite of the Puerto Rican Mole-Cricket, pp. 508-509
George N. Wolcott
Ovum Culture, p. 509
Gregory Pincus
Lecturers in Geology and Geography, p. 509
Chester R. Longwell


Societies and Meetings
Sigma Pi Sigma Convention, pp. 509-510
Marsh W. White
The Kansas Academy of Science, pp. 510-511
Roger C. Smith


Special Articles
A Comparison of Water Culture and Soil as Media for Crop Production, pp. 512-514
D. I. Arnon; D. R. Hoagland
The Chorio-Allantoic Membrane of the Developing Chick as a Medium for the Cultivation and Histopathologic Study of Pathogenic Fungi, pp. 514-515
Morris Moore
The Transmission of Lymphocytic Choriomeningitis by Mosquitoes, pp. 515-516
L. T. Coggeshall
Increased Glycuronate Excretion Following Administration of Sulfapyridine, p. 516
John V. Scudi; Herman D. Ratish; Jesse G. M. Bullowa


Science News, pp. 10a+12a

Previous Issue: New Series, Vol. 89, No. 2317, May 26, 1939
Next Issue: New Series, Vol. 89, No. 2319, Jun. 9, 1939



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Science, New Series, Vol. 89, No. 2319, Jun. 9, 1939


Previous Issue: New Series, Vol. 89, No. 2318, Jun. 2, 1939
Next Issue: New Series, Vol. 89, No. 2320, Jun. 16, 1939


Front Matter (4 pp.)
An Evaluation of the Factors Responsible for Public Health Progress in the United States, pp. 517-526
Murray P. Horwood


Scientific Events
The Conversazione of the Royal Society, pp. 526-527
A Conference on the Calculus of Variations, p. 527
L. M. Graves
The Atlantic City Meeting of the American Society for Testing Materials, pp. 527-528
The Geological Society of America, p. 528
Seventh International Congress of Genetics, pp. 528-529
Recent Deaths, p. 529


Scientific Notes and News, pp. 529-532


Discussion
Micro-Copepoda in Marine Phytoplankton Catches, pp. 532-533
W. E. Allen
Marsh Gas in the Ecology of Some Peat-Bogs, pp. 533-535
H. A. Allard
Patents for Chemical Compounds, p. 535
J. H. Simons
The Configuration of Glutamic Acid from Scarlet Fever Antitoxin, pp. 535-536
Robert D. Coghill
Lucite, p. 536
Lee S. Fent


Scientific Books
A History of Science, pp. 536-537
A History of Science, Technology and Philosophy in the 18th Century
A. Wolf
Review author[s]: Frederick E. Brasch
Birds and the Species Problem, pp. 537-538
A Systematic Review of the Genus Phylloscopus (Willow-Warblers Or Leaf-Warblers)
Claud B. Ticehurst
Review author[s]: T. D. A. Cockerell


Societies and Meetings
The Virginia Academy of Science, pp. 538-539
E. C. L. Miller
The Kentucky Academy of Science, p. 539
Alfred Brauer


Special Articles
The Effect of Certain Chemicals on the Hatching of Mosquito Eggs, pp. 539-540
C. M. Gjullin; W. W. Yates; H. H. Stage
An Observation Suggesting the Presence of a Gonadotropic Hormone in Royal Jelly, pp. 540-541
Henry L. Heyl
Recovery of the Virus of Equine Encephalomyelitis (Western Type) from Human Blood Serum, pp. 541-542
Beatrice Howitt
Encephalomyelitis in Monkeys, pp. 542-543
Ralph W. G. Wyckoff


Scientific Apparatus and Laboratory Methods
A High Resolving Power Ultracentrifuge, pp. 543-544
J. W. Beams
A Small Hygrometer, p. 544
D. E. Howell; Roderick Craig


Science News, pp. 8a-9a+11a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 89, No. 2318, Jun. 2, 1939
Next Issue: New Series, Vol. 89, No. 2320, Jun. 16, 1939



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Science, New Series, Vol. 89, No. 2320, Jun. 16, 1939


Previous Issue: New Series, Vol. 89, No. 2319, Jun. 9, 1939
Next Issue: New Series, Vol. 89, No. 2321, Jun. 23, 1939


Front Matter (3 pp.)
The Teaching of Physiology, pp. 545-547
August Krogh

The Mode of Action of Sulphanilamid, pp. 547-550
Philip A. Shaffer


Scientific Events
Fellowships in the Natural Sciences of the National Research Council, pp. 550-551
Exhibit of the American Geographical Society, pp. 551-552
Archeological Excavations of the Field Museum of Natural History, p. 552
Joint Meeting of the Royal Meteorological Society and the American Meteorological Society, p. 552
Grant for Philadelphia to Aid Amateur Studies and Adult Education in Science, pp. 552-553


Scientific Notes and News, pp. 553-555


Discussion
Pacific Entomological Survey, p. 556
C. Montague Cooke; Harold L. Lyon; C. E. Pemberton; Royal N. Chapman
Diurnal Cycle of Heat Resistance in Plants, pp. 556-557
H. H. Laude
Nieves Penitentes near Boston, Massachusetts, pp. 557-558
Robert L. Nichols
Language Difficulty, p. 558
Homer A. Jack


Books and Literature
Biology, pp. 558-559
General Biology. A Textbook for College Students
Perry D. Strausbaugh; Bernal R. Weimer
Review author[s]: Raymond J. Pool
Sedimentary Petrography, p. 559
Manual of Sedimentary Petrography
W. C. Krumbein; F. J. Pettijohn
Review author[s]: Esper S. Larsen


Societies and Meetings
Special Research Conferences on Chemistry, pp. 559-561
F. R. Moulton


Reports
Grants for Research of the Geological Society of America, pp. 561-563


Special Articles
On the Presence of Azotobacter Agilis in America, pp. 563-564
S. Soriano
Liver Extract as a Substitute for Serum in the Culture Medium for Endamoeba Histolytica, pp. 564-565
William W. Frye; Henry E. Meleney
Adrenal Atrophy and Senescence Produced by a Vitamin Deficiency, pp. 565-566
Agnes Fay Morgan; Helen Davison Simms
Bacterial Leaf-Spot Diseases, pp. 566-567
J. J. Reid; M. A. Farrell; D. E. Haley


Scientific Apparatus and Laboratory Methods
A System of Indexing 2X2 Inch Slides, pp. 567-568
W. F. Lamoreux
Lantern Slides from Typewritten Material, p. 568
Charles G. Miller


Science News, pp. 8a-9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 89, No. 2319, Jun. 9, 1939
Next Issue: New Series, Vol. 89, No. 2321, Jun. 23, 1939



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Science, New Series, Vol. 89, No. 2321, Jun. 23, 1939


Previous Issue: New Series, Vol. 89, No. 2320, Jun. 16, 1939
Next Issue: New Series, Vol. 89, No. 2322, Jun. 30, 1939


Front Matter (4 pp.)
North American Responsibilities for the University, 1934-1954, pp. 569-574
Alan Gregg


Scientific Events
Visitation Day at the Greenwich Observatory, p. 575
Survey of the Central and South Pacific Ocean, pp. 575-576
The New York Institute for Hospital Administrators, p. 576
Meetings of the Third Commission of the International Society of Soil Science, pp. 576-577
The Sixth Pacific Science Congress, p. 577


Scientific Notes and News, pp. 578-580


Discussion
The Discovery of Antarctica: A Reply to Professor R. N. Rudmose Brown, pp. 580-582
William H. Hobbs
Hyphenation of English Compound Names, pp. 582-583
H. J. Conn
Use of Parentheses in Zoological Nomenclature, p. 583
Arthur N. Bragg


Quotations
Distribution of the Younger Starred Scientists, pp. 583-585
Stephen S. Visher


Special Articles
Pre-Linguistic Sign Behavior in Chimpanzee, pp. 585-587
Robert M. Yerkes; Henry W. Nissen
Synthesis of Ascorbic Acid in Excised Roots of the White Moonflower, pp. 587-588
Mary E. Reid; Robert L. Weintraub
A New Meningotoxoid, p. 588
Talat Vasfi Oz
Increased Sensitivity of Hypophysectomized Rats to Radiation, pp. 588-589
Evelyn Anderson; John H. Lawrence; Michael Joseph; Paul C. Aebersold


Scientific Apparatus and Laboratory Methods
A Simple Mechanical Thermoregulator, pp. 589-590
A. C. Bratton
Use of Latex Dry Adhesive for Kymograph Paper, p. 590
F. H. Pratt


Science News, pp. 6a+8a-9a
Back Matter (2 pp.)

Previous Issue: New Series, Vol. 89, No. 2320, Jun. 16, 1939
Next Issue: New Series, Vol. 89, No. 2322, Jun. 30, 1939



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Science, New Series, Vol. 89, No. 2322, Jun. 30, 1939


Previous Issue: New Series, Vol. 89, No. 2321, Jun. 23, 1939
Next Issue: New Series, Vol. 90, No. 2323, Jul. 7, 1939


Front Matter (3 pp.)
Some Problems of an Educated Minority, pp. 591-595
Otis W. Caldwell


Obituary
Elmer Peter Kohler, pp. 595-596
Arthur B. Lamb; Lionel S. Marks; Lawrence J. Henderson
Recent Deaths and Memorials, p. 597


Scientific Events
The Sixth International Congress for Experimental Cytology, p. 597
British Honors, p. 598
Stephen Timoshenko--Sixtieth Anniversary Volume, pp. 598-599
Lionel S. Marks
Doctorates of Science Conferred by Yale University, pp. 599-600


Scientific Notes and News, pp. 600-602


Discussion
Plankton as a Food Source for Man, pp. 602-603
George L. Clarke
Immunity to Fusarium Wilt in the Tomato, pp. 603-604
G. W. Bohn; C. M. Tucker
Maholi Galagos Breed in Captivity, p. 604
Florence DeL. Lowther
Zoology for Pre-Medical Students, pp. 604-605
Harold S. Diehl
Killing the Term, Predatee, p. 605
Carl L. Hubbs


Societies and Meetings
The Illinois State Academy of Science, pp. 605-606
R. F. Paton
The New Hampshire Academy of Science, p. 606
W. W. Ballard
The New York State Geological Association, pp. 606-607
Field Conference of Pennsylvania Geologists, p. 607
M. N. Shaffner


Special Articles
The Relation of "Coenzyme R" to Biotin, pp. 607-608
P. M. West; P. W. Wilson
Sand Culture of Cotton Plants, pp. 608-609
H. S. Olcott
Physico-Chemical Properties of the Rous Chicken Tumor Agent, pp. 609-610
Kurt G. Stern; F. Duran-Reynals
On the Nature of the Agent Causing Leucosis in Fowls, pp. 610-611
Kurt G. Stern; Arthur Kirschbaum


Scientific Apparatus and Laboratory Methods
The Simplest Transparent Ultracentrifuge, pp. 611-612
J. W. McBain; A. H. Lewis
Funnel-Heating Device, p. 612
L. N. Markwood


Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 89, No. 2321, Jun. 23, 1939
Next Issue: New Series, Vol. 90, No. 2323, Jul. 7, 1939



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Science, New Series, Vol. 90, No. 2323, Jul. 7, 1939


Previous Issue: New Series, Vol. 89, No. 2322, Jun. 30, 1939
Next Issue: New Series, Vol. 90, No. 2324, Jul. 14, 1939


Volume Information (8 pp.)
Front Matter (3 pp.)
Order and Disorder in Pure Liquids and Solutions, pp. 1-8
Joel H. Hildebrand


Obituary
David Todd, pp. 8-9
Robert H. Baker
Recent Deaths, p. 9


Scientific Events
Exchange of Visits between the Royal Society and the Kaiser Wilhelm Gesellschaft, pp. 9-10
Survey of the Geology of the Central Andes in Peru, p. 10
The Magellanic Expedition of the Field Museum, pp. 10-11
A Fisheries Biological Laboratory on the Gulf Coast, p. 11
Awards of the American Geographical Society, pp. 11-12


Scientific Notes and News, pp. 12-14


Discussion
Factors Influencing Tree Destruction during the New England Hurricane, pp. 15-16
Stanley W. Bromley
The Point of Origin of the Blossom-Inducing Stimulus, p. 16
R. H. Roberts; B. Esther Struckmeyer
On Deslothing the Sloth, pp. 16-17
S. W. Britton; R. F. Kline


Scientific Books
Physiology, pp. 17-18
Physiology of the Nervous System
J. F. Fulton
Review author[s]: Alexander Forbes


Special Articles
Mice as Carriers of Pathogenic Pleuropneumonia-Like Microorganisms, pp. 18-19
Albert B. Sabin
The Preparation of Pituitary Growth Hormone Free from Lactogenic and Thyrotropic Hormones, pp. 19-20
Donald L. Meamber; Heinz L. Fraenkel-Conrat; Miriam E. Simpson; Herbert M. Evans
The Causative Agent of Infectious Equine Encephalomyelitis in Venezuela, pp. 20-21
Vladimir Kubes; Francisco A. Ríos


Scientific Apparatus and Laboratory Methods
A Method for Studying Living Mosquito Larvae and Other Small Aquatic Invertebrates, pp. 21-22
Carroll M. Williams
A Practical Operating Stand, p. 22
Charles S. Apgar


Books Received, p. 22
Science News, pp. 10a+12a

Previous Issue: New Series, Vol. 89, No. 2322, Jun. 30, 1939
Next Issue: New Series, Vol. 90, No. 2324, Jul. 14, 1939



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Science, New Series, Vol. 90, No. 2324, Jul. 14, 1939


Previous Issue: New Series, Vol. 90, No. 2323, Jul. 7, 1939
Next Issue: New Series, Vol. 90, No. 2325, Jul. 21, 1939


Front Matter (3 pp.)


Medals of the National Academy of Sciences
Presentation of the Daniel Giraud Elliot Medal and Honorarium to Richard Swann Lull, pp. 23-24
W. B. Scott
Response by the Medalist, p. 24
Richard Swann Lull
Presentation of the Agassiz Medal to Harald Ulrik Sverdrup, pp. 24-26
T. Wayland Vaughan
Response by the Medalist, pp. 26-27
Harald Ulrik Sverdrup


The Changing Outlook of Engineering Science, pp. 27-30
R. V. Southwell


Scientific Events
Scholarship Awards of the Canadian National Research Council, p. 30
The Permanent Science Fund of the American Academy of Arts and Sciences, pp. 30-31
Awards from the Milton Fund of Harvard University, p. 31
Winter School in Soil Science at the Waite Institute, pp. 31-32
The Field Program of the National Museum of Canada, p. 32
Symposium on Growth and Development, p. 32
Summer Meetings of Mathematicians, pp. 32-33


Scientific Notes and News, pp. 33-35


Discussion
The Luminescence of Sugar Wafers, pp. 35-36
E. Newton Harvey
Heparin and the Inhibition of Blood-Clotting, p. 36
Tage Astrup
Boron as a Fertilizer for Western Oregon Soils, pp. 36-37
W. L. Powers


Societies and Meetings
The Annual Meeting of the Southwestern Division of the American Association for the Advancement of Science, p. 38
Veon C. Kiech
A Symposium on Metric Geometry, pp. 38-39
Karl Menger


Reports
Tryparsamide in the Control of African Sleeping Sickness, pp. 39-40
Louise Pearce


Special Articles
Effect of Indole-3-Acetic Acid on Photosynthesis, p. 41
N. G. Cholodny; A. G. Gorbovsky
Growth of Some Hemolytic Streptococci on a Chemically Defined Medium, pp. 41-42
Brian L. Hutchings; D. W. Woolley
The Pseudo-Amnion, Pseudo-Chorion, Pseudo-Placenta and Other Foetal Structures in Viviparous Cyprinodont Fishes, pp. 42-43
C. L. Turner


Scientific Apparatus and Laboratory Methods
A Thoracic Window for Observation of the Lung in a Living Animal, pp. 43-44
Robert J. Terry


Science News, pp. 6-8

Previous Issue: New Series, Vol. 90, No. 2323, Jul. 7, 1939
Next Issue: New Series, Vol. 90, No. 2325, Jul. 21, 1939



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Science, New Series, Vol. 90, No. 2325, Jul. 21, 1939


Previous Issue: New Series, Vol. 90, No. 2324, Jul. 14, 1939
Next Issue: New Series, Vol. 90, No. 2326, Jul. 28, 1939


Front Matter (3 pp.)
The Milwaukee Meeting of the American Association for the Advancement of Science, pp. 45-55
F. R. Moulton


Obituary
Harry Victor Atkinson: 1887-1939, pp. 55-56
Edwin H. Shaw
Recent Deaths and Memorials, p. 56


Scientific Events
The Annual Field Day of the Rothamsted Experimental Station, pp. 56-57
English Neurologic Research Institute, p. 57
The Society of the Sigma Xi, p. 57
The Convention of the Electrochemical Society, p. 58
The Boston Meeting of the American Chemical Society, pp. 58-59


Scientific Notes and News, pp. 59-61


Discussion
Centers of Population of Learned Groups, pp. 61-63
Cecil B. Read
A New Disease of Snap Beans, p. 63
Wilbert A. Jenkins
General Anesthesia by Chilling, p. 63
G. H. Parker


Scientific Books
Recent Botanical Books, pp. 63-65
The Stapelieae
Alain White; Boyd L. Sloane
General and Economic Botany
Ernest Elwood Stanford
Review author[s]: Edwin B. Matzke


Special Articles
Adsorption of Antibodies by Egg Albumin Films, pp. 65-66
A. Rothen; K. Landsteiner
Absorption Spectrum of Further Purified Cytochrome C, p. 67
Hugo Theorell; Å. Åkesson
Sodium Chloride and Diabetes Insipidus, pp. 67-68
H. G. Swann
The Attempted Hydrogenation of 3-Methylxanthine, pp. 68-69
Treat B. Johnson; Joseph C. Ambelang


Scientific Apparatus and Laboratory Methods
Labeling Museum Specimens, pp. 69-70
Vernon E. Scheid
A Simple Demonstration of the Conditioned Response, p. 70
W. A. Bousfield


Books Received, p. 70
Science News, pp. 10a+12a

Previous Issue: New Series, Vol. 90, No. 2324, Jul. 14, 1939
Next Issue: New Series, Vol. 90, No. 2326, Jul. 28, 1939



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Science, New Series, Vol. 90, No. 2326, Jul. 28, 1939


Previous Issue: New Series, Vol. 90, No. 2325, Jul. 21, 1939
Next Issue: New Series, Vol. 90, No. 2327, Aug. 4, 1939


Front Matter (2 pp.)
Dedication of the William Albert Noyes Laboratory of Chemistry at the University of Illinois, pp. 71-75
Roger Adams


Obituary
Joseph Grinnell, pp. 75-76
Wm. E. Ritter
Recent Deaths and Memorials, p. 76


Scientific Events
Transfer of the Bureau of Fisheries, p. 76
Reorganization of the Work in Zoology at Cornell University, pp. 76-77
Grants of the National Tuberculosis Association, p. 77
Guggenheim Fellowships for Brazil, Canada, Peru and Uruguay, pp. 77-78
American Ornithologists' Union, pp. 78-79


Scientific Notes and News, pp. 79-81


Discussion
Present-Day Botany in Italy, p. 81
Francis Ramaley
The Production of Unfertilized Seeds in Trillium, pp. 81-82
Edward C. Jeffrey; Edwin J. Haertl
The Role of Arrhenotoky in the Adaptation of Insects, p. 82
Stanley E. Flanders
Mottled Enamel in Rat Molars, p. 83
Gerald J. Cox; Margaret C. Matuschak; Sara F. Dixon; W. E. Walker


Quotations
The Need for Extension of Membership of the British Association for the Advancement of Science, pp. 83-84


Scientific Books
Popularization of Modern Science, pp. 84-85
The Wisdom of the Body
Walter B. Cannon
The Science of Health and Disease: A Text-Book of Physiology and Hygiene
Howard W. Haggard
The Stuff We're Made of
W. O. Kermack; P. Eggleton
You're the Doctor
Victor Heiser
Health, Hygiene and Hooey
W. W. Bauer
Review author[s]: Chauncey D. Leake


Reports
Astronomical Symposium on Galactic and Extragalactic Structure, pp. 85-88
Otto Struve


Special Articles
Linkage of Pea Comb and Blue Egg in the Fowl, p. 88
J. H. Bruckner; F. B. Hutt
Role of Vitamin E in the Prevention of Muscular Dystrophy in Guinea Pigs Reared on Synthetic Rations, p. 89
Nobuko Shimotori; Gladys A. Emerson; Herbert M. Evans
A Quantitative Study of Meaning by a Conditioned Salivary Technique (Semantic Conditioning), pp. 89-90
G. H. S. Razran
The Gelatin of Brom Phenol Blue, pp. 90-91
Edward S. Amis; Victor K. LaMer


Scientific Apparatus and Laboratory Methods
A Practical Method of Obtaining Bacteria-Free Cultures of Trichomonas Hominis, pp. 91-92
Wm. S. Stone; Francois H. K. Reynolds
The Use of the Horsley-Clarke Instrument on the Rat, p. 92
George Clark


Books Received, p. 92
Science News, pp. 6a+7a+8a

Previous Issue: New Series, Vol. 90, No. 2325, Jul. 21, 1939
Next Issue: New Series, Vol. 90, No. 2327, Aug. 4, 1939



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Science, New Series, Vol. 90, No. 2327, Aug. 4, 1939


Previous Issue: New Series, Vol. 90, No. 2326, Jul. 28, 1939
Next Issue: New Series, Vol. 90, No. 2328, Aug. 11, 1939


Front Matter (3 pp.)
Education by Authority or for Authority? Are Science Teachers Teaching Science?, pp. 93-101
Otis F. Curtis


Scientific Events
Future of the Science Museum, London, p. 102
Expeditions of the Field Museum, Chicago, p. 102
The Leverhulme Research Fellowships, p. 103
The Seventeenth Chemical Exposition, p. 103
Exhibition of the Amateur Astronomers Association of New York City, pp. 103-104
Recent Deaths and Memorials, p. 104


Scientific Notes and News, pp. 104-107


Discussion
Surface Currents in Deep Tidal Waters, pp. 107-108
David L. Webster
Problems of Wound Healing in Red Clover Stems, pp. 108-109
Robert W. Poulter
Rooting Norway Spruce Cuttings without Chemical Treatment, pp. 109-110
Carl G. Deuber; John L. Farrar
Physiology of the Nervous System, p. 110
J. F. Fulton


Scientific Books
----------------, pp. 110-111
The Distribution of the Stars in Space
Bart J. Bok
Review author[s]: Leo Goldberg
Theoretical Mechanics Treated Vectorially, p. 111
Review author[s]: Albert A. Bennett


Societies and Meetings
The Alabama Academy of Science, pp. 111-112
Septima C. Smith


Special Articles
Isolation from Beef Pancreas of a Crystalline Protein Possessing Ribonuclease Activity, pp. 112-113
M. Kunitz
Isosterism in the Vitamin B Complex, pp. 113-114
F. C. Schmelkes
A Reversed Aldol Condensation, p. 114
Heinz Fraenkel-Conrat
The Products of the Cyclizing Dehydration of 1-Beta-Phenylethylcyclohexanol-1 and the Synthesis of Spirocyclohexane-1,1-Indanone-3, pp. 114-115
Meyer Levitz; David Perlman; Marston T. Bogert


Scientific Apparatus and Laboratory Methods
An X-Ray Densitometer for Measuring Relative Densities of Muscle, Bone and Other Tissues, pp. 115-116
Hugh E. Webber
Method of Embalming Large Insects, p. 116
Charles Clinton Smith


Books Received, p. 116
Science News, pp. 10a+12a+13a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 90, No. 2326, Jul. 28, 1939
Next Issue: New Series, Vol. 90, No. 2328, Aug. 11, 1939



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Science, New Series, Vol. 90, No. 2328, Aug. 11, 1939


Previous Issue: New Series, Vol. 90, No. 2327, Aug. 4, 1939
Next Issue: New Series, Vol. 90, No. 2329, Aug. 18, 1939


Front Matter (3 pp.)


The American Association for the Advancement of Science
Darwinian Ethics and Its Practical Applications, pp. 117-123
S. J. Holmes
The Stanford University Meeting of the Pacific Division, pp. 123-131
J. Murray Luck


Scientific Events
Exhibits at the British Natural History Museum, p. 131
The Byrd Antarctic Expedition, pp. 131-132
Preliminary Program of the Dundee Meeting of the British Association, p. 132
The Boston Meeting of the American Chemical Society, pp. 132-133
Recent Deaths and Memorials, pp. 133-134


Scientific Notes and News, pp. 134-137


Discussion
The Correlation between Ionizazation in the Ionosphere and Sun-Spot Numbers, pp. 137-138
Fred L. Mohler
A Whale Shark in the Hawaiian Islands, pp. 138-139
E. W. Gudger
Toxicity of the Sodium Salt of Dinitro-O-Cresol to Venturia Inaequalis, pp. 139-140
G. W. Keitt
Seeds for the Study of Root and Root-Hair Structure in Botanical Laboratories, p. 140
Joseph Kramer


Special Articles
Action of Ketene on the Pituitary Lactogenic Hormone, pp. 140-141
Choh Hao Li; Miriam E. Simpson; Herbert M. Evans
The Effect of Cocarboxylase upon Metabolism and Neuro-Psychiatric Phenomena in Pellagrins with Beriberi, p. 141
F. H. Lewy; H. E. Himwich; J. P. Frostig; T. D. Spies
Evidence for the Existence of a Respiratory Neurohormone, pp. 141-142
Theodore Koppanyi; Charles R. Linegar
The Reducing Groups of Egg Albumin, pp. 142-143
M. L. Anson


Scientific Apparatus and Laboratory Methods
An Improved Type of Ketene Generator, p. 143
Choh Hao Li
A Simple and Efficient Precipitate Dryer, pp. 143-144
Arnold Lowman
Turntable for Exercising Rats, p. 144
Edmond J. Farris; Gustav Engvall


Books Received, p. 144
Science News, pp. 6a+8a+9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 90, No. 2327, Aug. 4, 1939
Next Issue: New Series, Vol. 90, No. 2329, Aug. 18, 1939



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Science, New Series, Vol. 90, No. 2329, Aug. 18, 1939


Previous Issue: New Series, Vol. 90, No. 2328, Aug. 11, 1939
Next Issue: New Series, Vol. 90, No. 2330, Aug. 25, 1939


Front Matter (3 pp.)
Food, Drink and Evolution, pp. 145-149
Charles T. Brues


Scientific Events
The First Hundred Years of Photography, p. 150
Foreign Markets for Medicinal Products of the United States, p. 150
The Rochester Athenaeum and Mechanics Institute, pp. 150-151
Biochemical Research at the University of Pittsburgh, p. 151
The Third International Cancer Congress, pp. 151-152
The Bicentenary of the Royal Swedish Academy of Sciences, p. 152
The Hundredth Anniversary of the Birth of Robert Henry Thurston, pp. 152-153
Recent Deaths and Memorials, p. 153


Scientific Notes and News, pp. 153-155


Discussion
Compound Words, pp. 155-157
Sterling B. Talmage; R. H. Baugh; Oran Raber; Marjorie Fuller; Jane McMasters
Value of Characters of the Undeveloped Shoot in Identifying Plants, pp. 157-158
H. D. Harrington
Cystine and Methionine Requirements for Growth and Lactation, p. 158
J. R. Haag; L. D. Wright


Scientific Books
The Theory of Numbers, pp. 158-159
An Introduction to the Theory of Numbers
G. H. Hardy; E. M. Wright
Review author[s]: George D. Birkhoff
The Principles of Insect Physiology, p. 159
The Principles of Insect Physiology
V. B. Wigglesworth
Review author[s]: R. E. Snodgrass


Societies and Meetings
The Royal Society of Canada, pp. 159-161


Special Articles
Copper and Vitamin C Effects upon the Excised Frog Heart, p. 162
Hubert B. Peugnet
Prolonged Therapeutic Effect of Subcutaneously Implanted Crystals of Ovarian Hormone in Women, pp. 162-163
Udall J. Salmon; Robert I. Walter; Samuel H. Geist
The Influence of 3-Indole-Acetic Acid on Pollen Germination, pp. 163-164
Paul F. Smith
The Vitamin C Content of Spring Greens, pp. 164-165
R. C. Burrell; Helena A. Miller


Scientific Apparatus and Laboratory Methods
A Thermal Method for the Separation of Gases and Isotopes, pp. 165-166
Arthur Bramley; A. Keith Brewer


Books Received, p. 166
Science News, pp. 8a+10a+11a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 90, No. 2328, Aug. 11, 1939
Next Issue: New Series, Vol. 90, No. 2330, Aug. 25, 1939



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Science, New Series, Vol. 90, No. 2330, Aug. 25, 1939


Previous Issue: New Series, Vol. 90, No. 2329, Aug. 18, 1939
Next Issue: New Series, Vol. 90, No. 2331, Sep. 1, 1939


Front Matter (2 pp.)


The American Association for the Advancement of Science
Standards of Living as Functions of Science and of Social Organization, pp. 167-172
Stuart A. Rice


Obituary
Heinrich William Poll, pp. 172-173
Harold Cummins
Recent Deaths, p. 173


Scientific Events
The New British Non-Ferrous Metal Research Laboratories, p. 173
Expedition to the Pacific Islands, pp. 173-174
Courses in Public Health at Harvard University and the Massachusetts Institute of Technology, pp. 174-175
Establishment by the American Mathematical Society of a New Periodical, p. 175
Award of the Chandler Medal, p. 175


Scientific Notes and News, pp. 176-178


Discussion
The New Nomenclator Zoologicus, pp. 178-179
T. D. A. Cockerell
A New Color Reaction of Vitamin B1 (Thiamin, Aneurin), p. 179
Gilberto G. Villela; Aluisio M. Leal
On the Nature of Friction, pp. 179-180
G. W. Hammar; Gordon Martin
The Conscience of the past and the Practise of the Present, p. 180
M. F. Ashley-Montagu


Scientific Books
Science in Africa, pp. 180-182
Science in Africa
E. B. Worthington
Review author[s]: Harold J. Coolidge
The Advance of Medicine, p. 182
Thus We are Men
Walter Langdon-Brown
The March of Medicine. Selected Addresses and Articles on Medical Topics, 1913-1937
Ray Lyman Wilbur
Milestones in Medicine: Laity Lectures of the New York Academy of Medicine
James A. Mill
Review author[s]: Chauncey D. Leake


Societies and Meetings
The Seismological Society of America--Eastern Section, p. 183
A. J. Westland


Special Articles
Studies in the Physical Chemistry of Insulin, pp. 183-185
Edwin J. Cohn; John D. Ferry; J. J. Livingood; Muriel H. Blanchard
Type-Specific Antibody Production with Living Pneumococci in the Rabbit, pp. 185-186
Jules Freund; Martha A. Behan
The Significance of the Amino Acids in Canine Nutrition, pp. 186-187
Wm. C. Rose; Eldon E. Rice


Scientific Apparatus and Laboratory Methods
Deep-Sea Photography, p. 187
E. Newton Harvey
A Glass Electrode Vessel for the Determination of Blood pH, pp. 187-188
Vivian G. Behrmann; Marion Fay


Books Received, p. 188
Science News, pp. 6a+7a+8a

Previous Issue: New Series, Vol. 90, No. 2329, Aug. 18, 1939
Next Issue: New Series, Vol. 90, No. 2331, Sep. 1, 1939



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Science, New Series, Vol. 90, No. 2331, Sep. 1, 1939


Previous Issue: New Series, Vol. 90, No. 2330, Aug. 25, 1939
Next Issue: New Series, Vol. 90, No. 2332, Sep. 8, 1939


Front Matter (4 pp.)


The British Association for the Advancement of Science
The Western Isles through the Mists of Ages, pp. 189-200
Albert Seward


Scientific Events
The Forests of Great Britain, pp. 200-201
The Australian Meteorite in the Collection of the Smithsonian Institution, p. 201
The Proposed Inter-American University in Puerto Rico, pp. 201-202
The New York Meeting of the Electrochemical Society, p. 202
Lectures at the Dundee Meeting of the British Association, p. 202
Recent Deaths and Memorials, p. 203


Scientific Notes and News, pp. 203-206


Discussion
Conditions and Opportunities at the Naples Zoological Station, p. 206
R. E. Coker
One-Man Authority Citations, pp. 207-208
Cornelius H. Muller
Spraying with Plant Growth Substances to Prevent Apple Fruit Dropping, pp. 208-209
F. E. Gardner; P. C. Marth; L. P. Batjer
"Distinction" in "Science", p. 209
C. Stuart Gager


Special Correspondence
Research in Venezuela, pp. 210-211
George Gaylord Simpson


Scientific Books
Malaria in Panama, pp. 211-212
Malaria in Panama
J. S. Simmons
Review author[s]: W. H. Taliaferro


Societies and Meetings
The North Carolina Academy of Science, pp. 212-213
H. L. Blomquist


Special Articles
Chemical Composition of the Tumor-Producing Fraction of Chicken Tumor I, pp. 213-214
Albert Claude
Vitamin K Activity of Synthetic Phthiocol, p. 215
Erhard Fernholz; S. Ansbacher
Human Vaccination against Equine Encephalomyelitis Virus with Formolized Chick Embryo Vaccine, pp. 215-216
J. W. Beard; Dorothy Beard; Harold Finkelstein


Science News, pp. 10a+12a

Previous Issue: New Series, Vol. 90, No. 2330, Aug. 25, 1939
Next Issue: New Series, Vol. 90, No. 2332, Sep. 8, 1939



©2000-2007 JSTOR

Science, New Series, Vol. 90, No. 2332, Sep. 8, 1939


Previous Issue: New Series, Vol. 90, No. 2331, Sep. 1, 1939
Next Issue: New Series, Vol. 90, No. 2333, Sep. 15, 1939


Front Matter (4 pp.)


The British Association for the Advancement of Science
Film Reactions as a New Approach to Biology, pp. 217-225
Eric K. Rideal


Obituary
The Mayo Brothers and Their Clinic, pp. 225-226
Harvey Cushing
Recent Deaths and Memorials, p. 226


Scientific Events
Marine Engineering at the Massachusetts Institute of Technology, pp. 226-227
The New Research Vessel of the Bureau of Fisheries, p. 227
The Association for the Study of Systematics in Relation to General Biology, pp. 227-228
The International Congress of Genetics, p. 228
Opening of the International Congress for Microbiology, pp. 228-229


Scientific Notes and News, pp. 229-231


Discussion
The Mode of Action of Sulfanilamide, pp. 231-232
Arthur Locke; R. R. Mellon
Red Color in Apples, p. 233
R. B. Dustman; I. J. Duncan
A Fire-Fly "Spinthariscope", pp. 233-234
R. W. Wood
The First Articles on Group Theory Published in America, p. 234
G. A. Miller


Scientific Books
An Anecdotal History of Electricity, pp. 234-235
Sparks, Lightning, Cosmic Rays
Dayton C. Miller
Review author[s]: F. C. Brown


Special Articles
An Analysis of Skin Pigment Changes after Exposure to Sunlight, pp. 235-237
Edward A. Edwards; S. Quimby Duntley
Presence of a Leukocytosis-Promoting Factor in Inflammatory Exudates, pp. 237-238
Valy Menkin
Glycogen in Sweet Corn, pp. 238-239
Daniel Luzon Morris; Carol Tilden Morris


Scientific Apparatus and Laboratory Methods
A Method for the Continuous Recording of Gastric pH in Situ, pp. 239-240
James Flexner; Michael Kniazuk; Jan Nyboer
Chromosomes from Leaves, p. 240
J. T. Baldwin


Science News, pp. 6a+8a+9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 90, No. 2331, Sep. 1, 1939
Next Issue: New Series, Vol. 90, No. 2333, Sep. 15, 1939



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Science, New Series, Vol. 90, No. 2333, Sep. 15, 1939


Previous Issue: New Series, Vol. 90, No. 2332, Sep. 8, 1939
Next Issue: New Series, Vol. 90, No. 2334, Sep. 22, 1939


Front Matter (3 pp.)
The Species Complex in Biology and Education, pp. 241-246
Albert Davis Mead


Scientific Events
The Cornell Ornithological Expedition, p. 246
Balloon Flights into the Stratosphere, pp. 246-247
Courses in Modern Manufacturing and Research, p. 247
Mouse Genetics, p. 247
The American Association of Museums, pp. 247-248
The American Public Health Association, p. 248


Scientific Notes and News, pp. 248-251


Discussion
A Self-Limiting Mechanism in Sympathetic Homeostatic Adjustment, pp. 251-252
Amedeo S. Marrazzi
Chlorazol Fast Pink BKS, p. 252
R. E. Rose
"Stars" in American Men of Science, p. 252
J. H. G.; Stephen S. Visher
The Pacific Entomological Survey, pp. 252-253
G. D. Hale Carpenter


Scientific Books
Elementary Matrices, pp. 253-254
Elementary Matrices and Some Applications to Dynamics and Differential Equations
R. A. Frazer; W. J. Duncan; A. R. Collar
Review author[s]: C. C. MacDuffee


Societies and Meetings
The French Association for the Advancement of Science, pp. 254-255
The Medical Library Association, p. 255
Anna C. Holt


Special Articles
Radioactive Ion Exchanges in Living Protoplasm, p. 256
Lorin J. Mullins; S. C. Brooks
The Denaturation of Proteins by Detergents and Bile Salts, pp. 256-257
M. L. Anson
The Configuration of the Glutamic Acid of Adenocarcinoma Protein, pp. 257-258
L. Earle Arnow; Jeanette C. Opsahl
Poliomyelitic Virus in Sewage, pp. 258-259
John R. Paul; James D. Trask; C. S. Culotta


Scientific Apparatus and Laboratory Methods
Demonstration of the Shape of Cilia in Normal Motion, pp. 259-260
A. M. Shanes
A New Material for Mounting Nerve Tissue Sections in Paraffin for Silver Staining or Restaining, p. 260
Rosette Spoerri


Science News, pp. 10a+11a+12a

Previous Issue: New Series, Vol. 90, No. 2332, Sep. 8, 1939
Next Issue: New Series, Vol. 90, No. 2334, Sep. 22, 1939



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Science, New Series, Vol. 90, No. 2334, Sep. 22, 1939


Previous Issue: New Series, Vol. 90, No. 2333, Sep. 15, 1939
Next Issue: New Series, Vol. 90, No. 2335, Sep. 29, 1939


Front Matter (3 pp.)


The British Association for the Advancement of Science
Local Scientific Societies and the Community, pp. 261-264
Herbert L. Hawkins


Where Do Meteorites Come From?, pp. 264-265
C. C. Wylie


Scientific Events
The New Fishery Research Laboratory in Puerto Rico, pp. 265-266
The Expedition to Western Colorado of the Field Columbian Museum, p. 266
Hurricane Warnings of the U. S. Weather Bureau, pp. 266-267
The Master of Science Degree in Engineering of Columbia University, p. 267
Editors of the Publications of the American Chemical Society, p. 267
Recent Deaths, pp. 267-268


Scientific Notes and News, pp. 268-270


Discussion
Nutritional Physiology of the Adult Ruminant, pp. 270-272
E. B. Forbes
Heparin and Blood Clotting, p. 272
John H. Ferguson
The Black Dye of the Navajos, p. 272
Daniel T. O'Connell
Appearance of a New Potato Disease in Northeastern Colorado, p. 273
Leslie B. Daniels


Reports
The Vulcanization of Rubber, pp. 273-274


Special Articles
Androgens and Tumor Growth, p. 275
J. R. Murlin; C. D. Kochakian; C. L. Spurr; R. A. Harvey
Ease of Body Heat Loss and Resistance to Infection, pp. 275-276
Joseph W. Colvin; Clarence A. Mills
The Muscle Hemoglobin of Seals as an Oxygen Store in Diving, pp. 276-277
Douglas Robinson
The Absorption of Radio Waves in Water, pp. 277-279
J. Barton Hoag


Scientific Apparatus and Laboratory Methods
A Spectrocolorimeter for Comparing the Spectra of Solutions of Different Depth, pp. 279-280
Ely Perlman
Periodic Discharging of Liquids and Intermittent Washing of Solids, p. 280
C. L. Graham; Raymond H. Lambert


Science News, pp. 6a+7a+8a

Previous Issue: New Series, Vol. 90, No. 2333, Sep. 15, 1939
Next Issue: New Series, Vol. 90, No. 2335, Sep. 29, 1939



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Science, New Series, Vol. 90, No. 2335, Sep. 29, 1939


Previous Issue: New Series, Vol. 90, No. 2334, Sep. 22, 1939
Next Issue: New Series, Vol. 90, No. 2336, Oct. 6, 1939


Front Matter (3 pp.)
Non-Aqueous Solutions, pp. 281-289
Charles A. Kraus


Obituary
Frederick Parker Gay, pp. 290-291
Claus W. Jungeblut
William R. Perkins, pp. 291-292
Glenn W. Herrick
Recent Deaths, p. 292


Scientific Events
The Evacuation of the University of London, p. 292
Chemical Imports of the United States, pp. 292-293
Biological Abstracts, p. 293
The Scientific Programs of the Chicago Medical Society, pp. 293-294
The Relations of Science to Society, p. 294


Scientific Notes and News, pp. 294-296


Discussion
Important Paleolithic Find in Central Asia, pp. 296-298
Aleš Hrdlička
A Second Household Palm, Omanthe costaricana, pp. 298-299
O. F. Cook
Fresh-Water Medusae Found in Kiating, Szechuen, China, p. 299
H. Zanyin Gaw; L. H. Kung
Anthelmintic Activity of Fresh Pineapple Juice, pp. 299-300
Julius Berger; Conrado F. Asenjo


Quotations
The Voice of Science, p. 300


Scientific Books
Electromagnetics, pp. 300-302
Electromagnetics; a Discussion of Fundamentals
Alfred O'Rahilly
Review author[s]: H. Bateman
The Philosophy of Physics, p. 302
On Understanding Physics
W. H. Watson
Review author[s]: R. B. Lindsay
Meadow and Pasture Insects, pp. 302-303
Meadow and Pasture Insects
Herbert Osborn
Review author[s]: E. P. Felt


Societies and Meetings
Fungi and Fungous Diseases, p. 303
J. Gardner Hopkins; J. S. Karling


Special Articles
The Role of Microorganisms in the Conservation of the Soil, pp. 304-305
Selman A. Waksman; James P. Martin
On the Molecular Weight of the Tobacco Mosaic Virus Protein, pp. 305-306
Vernon L. Frampton
Upward Transport of Minerals through the Phloem of Stems, pp. 306-307
Felix G. Gustafson


Scientific Apparatus and Laboratory Methods
An Aceto-Carmine Method for Bird and Mammalian Chromosomes, pp. 307-308
T. S. Painter
A Simple Rocking Device for Carrel Flasks, p. 308
Herbert Shapiro


Science News, pp. 8a+9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 90, No. 2334, Sep. 22, 1939
Next Issue: New Series, Vol. 90, No. 2336, Oct. 6, 1939



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Science, New Series, Vol. 90, No. 2336, Oct. 6, 1939


Previous Issue: New Series, Vol. 90, No. 2335, Sep. 29, 1939
Next Issue: New Series, Vol. 90, No. 2337, Oct. 13, 1939


Front Matter (5 pp.)
Science and Social Pioneering, pp. 309-319
Isaiah Bowman


Obituary
Arthur Edwin Kennelly, pp. 319-321
Chester L. Dawes


Scientific Events
Public Health in Germany in 1938, p. 321
The Hall of Man at the World's Fair, pp. 321-322
Mead Johnson and Company "B-Complex" Award, p. 322
L. A. Maynard
Recent Appointments at Columbia University, pp. 322-323
Changes and New Appointments at Harvard University, p. 323
The Semi-Centennial Celebration of the Founding of the Medical School of the University of Minnesota, pp. 323-324


Scientific Notes and News, pp. 324-326


Discussion
Atmospheric Contamination, pp. 326-327
A. H. Pfund
Oxidation-Reduction Potentials and the Mode of Action of Sulfanilamide, pp. 327-329
Richard O. Roblin; Paul H. Bell
Structure and Synthesis of a Plant Wound Hormone, p. 329
James English; James Bonner; A. J. Haagen-Smit
The Plasmodium of Hemitrichia vesparium (Batsch) Macbr, pp. 329-330
Lloyd G. Carr
Literature Service for Chemists, p. 330
Neil E. Gordon


Scientific Books
Recent Botanical Books, pp. 330-332
Protein Metabolism in the Plant
Albert C. Chibnall
Elements of Plant Pathology
Irving E. Melhus; George C. Kent
The World of Plant Life
Clarence J. Hylander
Review author[s]: R. F. Dawson; G. W. Keitt; C. L. Wilson
Annual Review of Physiology, pp. 332-333
Annual Review of Physiology
James Murray Luck
Review author[s]: Carl J. Wiggers


Reports
Scientists and the Press, pp. 333-334
Committee on Public Relations of Science


Special Articles
The Structure of the Red Oxidation Products of Tocopherols and Related Substances, pp. 334-335
Lee Irvin Smith; Willa B. Irwin; Herbert E. Ungnade
Appearance of Fermentable Polysaccharide in the Blood and a Simple Method for Its Detection, pp. 335-336
Theodore E. Friedemann; Wheelan D. Sutliff
Listerella from a Premature Bovine Fetus, pp. 336-337
Robert Graham; H. R. Hester; Norman D. Levine
Solute Transport in Plants, pp. 337-338
A. S. Crafts


Science News, pp. 10a+12a+14a

Previous Issue: New Series, Vol. 90, No. 2335, Sep. 29, 1939
Next Issue: New Series, Vol. 90, No. 2337, Oct. 13, 1939



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Science, New Series, Vol. 90, No. 2337, Oct. 13, 1939


Previous Issue: New Series, Vol. 90, No. 2336, Oct. 6, 1939
Next Issue: New Series, Vol. 90, No. 2338, Oct. 20, 1939


Front Matter (4 pp.)
Addresses at the Opening Assembly of the International Union of Geodesy and Geophysics, pp. 339-345


Obituary
Warren Plimpton Lombard, pp. 345-346
Robert Gesell
Recent Deaths, pp. 346-347


Scientific Events
The Arnold Arboretum Expedition to Northwestern Canada, p. 347
Hugh M. Raup
The Bishop Ornithological Collection, p. 347
The Lalor Foundation Fellowship Awards, pp. 347-348
Symposium on Cryogenic Research of the American Chemical Society, pp. 348-349
F. G. Keyes
Scientific Lectures of the College of Physicians of Philadelphia, p. 349
Medical Education at the University of Chicago, p. 349
Grants in Aid of Research of the American Association for the Advancement of Science, pp. 349-350
F. R. Moulton


Scientific Notes and News, pp. 350-352


Discussion
The Origin of the Human Races, pp. 352-353
A. B. Droogleever Fortuyn
The Floating Population of the Air, pp. 353-354
T. D. A. Cockerell
A Request to Mathematical Geneticists, p. 354
Harrison R. Hunt
The Range of Hearing of Canaries, p. 354
A. R. Brand; P. P. Kellogg


Scientific Books
Plane Topology, pp. 354-355
Elements of the Topology of Plane Sets of Points
M. H. A. Newman
The Physiology and Pharmacology of the Pituitary Body
H. B. Van Dyke
Review author[s]: R. L. Wilder; Philip E. Smith


Special Articles
The Sensitizing Properties of the Nucleic Acids and Their Derivatives, p. 356
Walter L. Winkenwerder; Mary V. Buell; John Eager Howard
A Possible Relation between Manganese, Sunlight and Winter Hatchability of Hen's Eggs, pp. 356-357
J. B. Christiansen; J. G. Halpin; E. B. Hart
The Electrophoretic Analysis of Antipneumococcus Horse Sera, pp. 357-358
D. H. Moore; J. Van Der Scheer; R. W. G. Wyckoff
The Physiological Changes Produced in Yeast by Ultra-Violet Light and by Heat, p. 358
Thomas F. Anderson; B. M. Duggar


Science News, pp. 6a+8a+9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 90, No. 2336, Oct. 6, 1939
Next Issue: New Series, Vol. 90, No. 2338, Oct. 20, 1939



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Science, New Series, Vol. 90, No. 2338, Oct. 20, 1939


Previous Issue: New Series, Vol. 90, No. 2337, Oct. 13, 1939
Next Issue: New Series, Vol. 90, No. 2339, Oct. 27, 1939


Front Matter (4 pp.)
The Broadening Horizons of Medicine, pp. 359-363
Winfred Overholser


Obituary
Henry Chandler Cowles, pp. 363-364
George D. Fuller
Recent Deaths and Memorials, p. 364


Scientific Events
Bird Protection in the British Empire, pp. 364-365
The New Milford Laboratory of the Bureau of Fisheries, p. 365
The Thomas R. Baker Museum of Rollins College, pp. 365-366
G. G. Scott
Mathematical Reviews, p. 366
The United States Antarctic Expedition, p. 366
Visiting Physicists at Cornell University, p. 367
Award of the William H. Nichols Medal, pp. 367-368
Dr. Ames and the National Advisory Committee for Aeronautics, p. 368


Scientific Notes and News, pp. 368-370


Discussion
Vocal Mimicry of the Starling and the Mockingbird, pp. 370-371
H. A. Allard
Hibernation of Anopheline Eggs in the Tropics, pp. 371-372
Wm. S. Stone; François H. K. Reynolds
Distribution of Artifacts Made from Chalcedony of Cerro Pedernal, New Mexico, p. 372
Louis L. Ray
The Presence of Non-Oxygen-Combining (Inactive) Hemoglobin in the Blood of Normal Individuals, pp. 372-373
Esther Ammundsen


Scientific Books
Matter and Light, p. 373
Matter and Light
Louis De Broglie
Review author[s]: W. F. G. Swann
Wavelength Tables, p. 373
Wavelength Tables
George R. Harrison
Review author[s]: W. F. G. Swann
Magnetism, p. 374
Modern Magnetism
L. F. Bates
Review author[s]: C. G. Montgomery
Radioactivity, p. 374
A Manual of Radioactivity
George Hevesy; F. A. Paneth
Review author[s]: C. G. Montgomery


Special Articles
The Pathogenic Action of Phymatotrichum omnivorum, pp. 374-375
G. M. Watkins; Matilde Otero Watkins
Urine Chloride Concentration in Patients with Cushing's Syndrome, pp. 375-376
Abraham Cantarow
Essentiality of Primary Amino Groups for Specific Activity of the Lactogenic Hormone, pp. 376-377
Choh Hao Li; William R. Lyons; Miriam E. Simpson; Herbert M. Evans
Multiple Nature of the Rat "Filtrate Factor"--A Component of Vitamin B2, p. 377
Ali Mohammad; Oliver H. Emerson; Gladys A. Emerson; Herbert M. Evans


Scientific Apparatus and Laboratory Methods
An Electric Sterilizer for the Culture Room, pp. 377-378
Ernest E. Hubert
The Influence of Centrifugation on the Agglutination of Pneumococci, p. 378
Paul F. De Gara


Science News, pp. 6a+8a+9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 90, No. 2337, Oct. 13, 1939
Next Issue: New Series, Vol. 90, No. 2339, Oct. 27, 1939



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Science, New Series, Vol. 90, No. 2339, Oct. 27, 1939


Previous Issue: New Series, Vol. 90, No. 2338, Oct. 20, 1939
Next Issue: New Series, Vol. 90, No. 2340, Nov. 3, 1939


Front Matter (4 pp.)
Some Problems in the Genetics of the Fungi, pp. 379-385
B. O. Dodge

Chewing as a Technique of Relaxation, pp. 385-387
H. L. Hollingworth


Scientific Events
The British Association in War Time, p. 387
The Australian National Research Council, p. 388
Retirement Fund of the Field Museum of Natural History, pp. 388-389
A Biological Survey of the State of New Hampshire, p. 389
Library for the History of Medicine at Yale University, p. 389
The Research Council on Problems of Alcohol, pp. 389-390


Scientific Notes and News, pp. 390-392


Discussion
Physiology of the Nervous System, pp. 393-394
H. H. Dale
The Use of Prontosil as a Vital Dye for Insects and Plants, p. 394
Walter Carter
Formation of a Large Alcohol Bead, pp. 394-395
C. F. Winans


Scientific Books
Recent Publications of the British Museum (Natural History), pp. 395-397
Review author[s]: T. D. A. Cockerell


Special Articles
Note on Water in Non-Aqueous Solutions, pp. 397-398
W. J. V. Osterhout; J. W. Murray
Cerebral Metabolism during Fever, p. 398
Harold E. Himwich; Karl M. Bowman; W. Goldfarb; Joseph F. Fazekas
Crystalline Salmon Pepsin, p. 399
Earl R. Norris; Daniel W. Elam


Scientific Apparatus and Laboratory Methods
Determination of the Velocity of Sound in a Gas; Application to Analysis of Mixtures of Helium, Oxygen and Nitrogen, pp. 399-400
William B. Dublin; Walter M. Boothby; Marvin M. D. Williams


Science News, pp. 8a+10a+11a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 90, No. 2338, Oct. 20, 1939
Next Issue: New Series, Vol. 90, No. 2340, Nov. 3, 1939



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Science, New Series, Vol. 90, No. 2340, Nov. 3, 1939


Previous Issue: New Series, Vol. 90, No. 2339, Oct. 27, 1939
Next Issue: New Series, Vol. 90, No. 2341, Nov. 10, 1939


Front Matter (5 pp.)


The National Academy of Sciences
Remarks of the President at the Dinner, pp. 401-403
Frank B. Jewett
Abstracts of Papers, pp. 403-412


Scientific Events
The Exposition of Chemical Industries, pp. 412-413
The Tropical Flower Garden of the New York Botanical Garden, p. 413
Reorganization of Laboratory Directors' Conference, pp. 413-414
In Honor of Dr. Evarts Ambrose Graham, p. 414
Nominations for President-Elect of the American Chemical Society, p. 414
Recent Deaths and Memorials, pp. 414-415


Scientific Notes and News, pp. 415-418


Discussion
The War and Chronica Botanica, p. 418
Robert F. Griggs
Remarks on the Center of Population, pp. 418-419
Randolph Church; C. B. Read
The First Dating of Preserved Wood in New England, pp. 419-420
Charles J. Lyon
Notice of Possible Suspension of the Rules of Nomenclature in Certain Cases (A.(n.s.) 1), p. 420
Francis Hemming


Scientific Books
Quantum Mechanics, pp. 420-422
Introductory Quantum Mechanics
Vladimir Rojansky
Review author[s]: George H. Shortley
Uses of Chemicals, p. 422
Uses and Applications of Chemicals and Related Materials
Thomas C. Gregory
Review author[s]: Marston Taylor Bogert


Special Articles
The Semiquinone Radicals of Methylene Blue and Related Dyestuffs, pp. 422-423
S. Granick; L. Michaelis; M. P. Schubert
The Metabolism of Glutathione, pp. 423-424
H. Waelsch; D. Rittenberg
Synthetic Alpha-Tocopherol and Nutritional Muscular Dystrophy, pp. 424-425
Steward G. Morris


Scientific Apparatus and Laboratory Methods
Student Apparatus for Analysis of Respiratory Gases, pp. 425-426
J. Max Little; Herbert S. Wells


Science News, pp. 10a+12a+14a

Previous Issue: New Series, Vol. 90, No. 2339, Oct. 27, 1939
Next Issue: New Series, Vol. 90, No. 2341, Nov. 10, 1939



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Science, New Series, Vol. 90, No. 2341, Nov. 10, 1939


Previous Issue: New Series, Vol. 90, No. 2340, Nov. 3, 1939
Next Issue: New Series, Vol. 90, No. 2342, Nov. 17, 1939


Front Matter (4 pp.)
Cancer and the Public Health, pp. 427-430
Thomas Parran

A New Reaction in Organic Chemistry: The Redistribution Reaction, pp. 430-434
George Calingaert


Obituary
Witmer Stone: (1866-1939), pp. 434-435
Recent Deaths, pp. 435-436


Scientific Events
The Galton Laboratory, p. 436
The Privately Endowed College of Engineering, pp. 436-437
The American Academy of Ophthalmology and Otolaryngology, p. 437
Scientific Expeditions, pp. 437-438
Field Work of the U. S. Geological Survey, p. 438


Scientific Notes and News, pp. 438-441


Discussion
Vitalizing Historical Geology through Field Trips, pp. 441-442
Robert H. Mitchell
Endogone as Animal Food, p. 442
William W. Diehl
Muscle and Blood Hemoglobin in the Dolphin, p. 443
Lillian Eichelberger; Edwin S. Fetcher; E. M. K. Geiling; Bert J. Vos
Biography of Dr. Harvey Cushing, p. 443
John F. Fulton


Special Articles
The Action of Certain Hormones as Dietary Constituents, pp. 443-445
Casimir Funk; Ian Casimir Funk
The Excretion of Cortin after Surgical Operation, pp. 445-446
Paul Weil; J. S. L. Browne
Periodic Mitotic Activity in the Epidermis of the Albino Rat, pp. 446-447
C. M. Blumenfeld


Scientific Apparatus and Laboratory Methods
A Device for Rapid Rinsing of Absorption Towers Used in Gas Analysis Studies, pp. 447-448
N. F. Childers; D. C. Kiplinger; H. W. Brody
A New Culture Medium for Paramecia, p. 448
Bertil Gottfrid Anderson


Science News, pp. 8a+10a+11a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 90, No. 2340, Nov. 3, 1939
Next Issue: New Series, Vol. 90, No. 2342, Nov. 17, 1939



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Science, New Series, Vol. 90, No. 2342, Nov. 17, 1939


Previous Issue: New Series, Vol. 90, No. 2341, Nov. 10, 1939
Next Issue: New Series, Vol. 90, No. 2343, Nov. 24, 1939


Front Matter (4 pp.)
The Sixth Pacific Science Congress, pp. 449-456
Roy Elwood Clausen

The Structure of the Pacific Basin as Indicated by Earthquakes, pp. 456-458
B. Gutenberg


Scientific Events
The City and Rural Health Conservation Contest, p. 458
The Expedition to Hudson Bay of the University of Minnesota, pp. 458-459
Ernst C. Abbe
The Importation of Foreign Books and Periodicals, p. 459
Lectures in the Department of Physics at the University of Wisconsin, pp. 459-460
Award of the John Fritz Gold Medal, p. 460
Recent Deaths and Memorials, pp. 460-461


Scientific Notes and News, pp. 461-463


Discussion
The Allowed Directions of Cosmic Rays as an Existence Problem of Mathematical Analysis, pp. 463-464
I. Opatowski
Revision of Dental Symbols, pp. 464-465
Bruno Oetteking
Possible Implications of Reptilian Thermal Tolerance, pp. 465-466
Raymond B. Cowles


Scientific Books
The Carnegie Institution of Washington and Dr. Merriam, pp. 466-468
Published Papers and Addresses of John Campbell Merriam
Cooperation in Research
Review author[s]: William K. Gregory


Reports
Work of the Canadian National Research Council, pp. 468-470


Special Articles
Effect of Ultra-Short Radio Waves on Plant Growth, pp. 470-471
J. Van Overbeek; L. Reed Brantley; G. W. Potapenko
Bio-Electric Potentials of the Hen's Egg, pp. 471-472
Alexis L. Romanoff; Casper L. Cottrell
Implants of Embryonic Tissue Inhibit Parturition in the Rat, pp. 472-473
Alfred Taylor


Scientific Apparatus and Laboratory Methods
An Arrangement of Apparatus for the Isolation of Monochromatic Light of High Intensity at λ, 254 m μ, pp. 473-474
Lawrence J. Heidt


Errata, p. 474
Errata, p. 474
Science News, pp. 8a+10a+11a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 90, No. 2341, Nov. 10, 1939
Next Issue: New Series, Vol. 90, No. 2343, Nov. 24, 1939



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Science, New Series, Vol. 90, No. 2343, Nov. 24, 1939


Previous Issue: New Series, Vol. 90, No. 2342, Nov. 17, 1939
Next Issue: New Series, Vol. 90, No. 2344, Dec. 1, 1939


Front Matter (4 pp.)
Harvey (Williams) Cushing April 8, 1869-October 7, 1939, pp. 475-482
Elliott C. Cutler

The Present State of Solar Activity and Associated Phenomena, pp. 482-484
Harlan T. Stetson


Scientific Events
A Discussion of Franklin and His Times, pp. 484-485
The Eighth American Scientific Congress, p. 485
Awards of the American Society of Mechanical Engineers, pp. 485-486
Award of the Willard Gibbs Medal, p. 486
Recent Deaths, pp. 486-487


Scientific Notes and News, pp. 487-490


Discussion
The Founding of a Department of Fishes in the Museo Poey of the University of Havana, p. 490
Correspondent
A Noteworthy Aurora, pp. 490-491
S. Stillman Berry
Ozone in the '38 Hurricane, p. 491
Charles A. Peters
The International Union of Chemistry, pp. 491-492
Marston Taylor Bogert


Scientific Books
Recent Books in Geology, pp. 492-494
Geology: Principles and Processes
W. H. Emmons; G. H. Thiel; C. R. Stauffer; I. S. Allison
Elements of Geology
William J. Miller
Textbook of Geology, Part I--Physical Geology
Chester R. Longwell; Adolph Knopf; Richard F. Flint
Geology and Engineering
Robert F. Legget
Review author[s]: Kirtley F. Mather


Societies and Meetings
The Semi-Centennial Celebration of the Medical School of the University of Minnesota, pp. 494-495
M. B. Visscher


Special Articles
Toxic Effects of Desoxycorticosterone Esters in Dogs, pp. 496-497
Daniel Kuhlmann; Charles Ragan; Joseph W. Ferrebee; Dana W. Atchley; Robert F. Loeb
The Encephalitogenic Property of Herpes Virus, p. 497
Katherine Anderson
The Chemical Composition of Suckleya suckleyana, pp. 497-498
C. G. Barr; H. W. Reuszer; Frank Thorp
Experimental Chronic Cadmium Poisoning, p. 498
Robert H. Wilson; Floyd DeEds


Science News, pp. 10a+12a+13a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 90, No. 2342, Nov. 17, 1939
Next Issue: New Series, Vol. 90, No. 2344, Dec. 1, 1939



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Science, New Series, Vol. 90, No. 2344, Dec. 1, 1939


Previous Issue: New Series, Vol. 90, No. 2343, Nov. 24, 1939
Next Issue: New Series, Vol. 90, No. 2345, Dec. 8, 1939


Front Matter (6 pp.)


The American Association for the Advancement of Science
Preliminary Announcement of the Columbus, Ohio, Meeting, pp. 499-507
F. R. Moulton


Scientific Events
The Platform of the American Medical Association, pp. 507-508
Inter-American Society of Microbiology, p. 508
Activities of the U. S. Geological Survey, pp. 508-509
Award of the Egleston Medals of the School of Engineering of Columbia University, p. 509
Recent Deaths and Memorials, pp. 509-510


Scientific Notes and News, pp. 510-512


Discussion
A Dozen Mathematical Errors in the "Encyclopaedia Britannica", pp. 512-513
G. A. Miller
A Remarkable Example of Polar Mirage, pp. 513-514
William H. Hobbs
Index to Schoolcraft's "Indian Tribes", p. 514
M. W. Stirling
Available Lecturers in Geology and Geography, p. 514
Chester R. Longwell


Scientific Books
Developments in Physics, pp. 514-515
Atomes, radioactivité, transmutations
Maurice De Broglie
Measurement of Radiant Energy
W. E. Forsythe
Atomic Structure
Leonard B. Loeb
Review author[s]: C. G. Montgomery
Physiological Phenomena, p. 516
Analisis Experimental de los Fenomenos Fisiologicos Fundamentales
José J. Izquierdo
Review author[s]: Walter B. Cannon


Special Articles
Sperm Agglutination in the Keyhole Limpet and the Sea-Urchin, pp. 516-517
Albert Tyler; Sidney W. Fox
The Control of Experimental Alcaptonuria by means of Vitamin C, p. 517
Robert R. Sealock; Hannah E. Silberstein
Some Crystalline Constituents of the Non-Saponifiable Fraction of Bone Marrow, p. 518
Harry N. Holmes; Ruth E. Corbet


Scientific Apparatus and Laboratory Methods
Latex Emulsions in Human Vascular Preparations, pp. 518-520
Oscar V. Batson
Liquid Latex as an Injection Mass for Blood-Vessels, p. 520
D. L. Gamble


Science News, pp. 10a+12a+15a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 90, No. 2343, Nov. 24, 1939
Next Issue: New Series, Vol. 90, No. 2345, Dec. 8, 1939



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Science, New Series, Vol. 90, No. 2345, Dec. 8, 1939


Previous Issue: New Series, Vol. 90, No. 2344, Dec. 1, 1939
Next Issue: New Series, Vol. 90, No. 2346, Dec. 15, 1939


Front Matter (4 pp.)
The Argument for Chemical Mediation of Nerve Impulses, pp. 521-527
Walter B. Cannon

The Basic Needs of American Archeology, pp. 528-530
Carl E. Guthe


Obituary
Floyd Karker Richtmyer, pp. 530-531
Earle H. Kennard
William Henry Brown, pp. 531-532
E. D. Merrill
Recent Deaths and Memorials, pp. 532-533


Scientific Events
Engineering Education, p. 533
The Alaska Fisheries Experimental Commission, pp. 533-534
The Biological Research Division of the Edmund Niles Huyck Preserve, p. 534
Awards of the Royal Geographical Society, pp. 534-535
Survey of Research in Industry, p. 535


Scientific Notes and News, pp. 536-538


Discussion
Heavy Water and Longevity, pp. 538-539
H. G. Barbour; F. S. Hammett
Heparin and Blood Clotting, p. 539
K. M. Brinkhous; H. P. Smith; E. D. Warner; W. H. Seegers
Mastodon Remains Found in West Virginia, pp. 539-540
W. J. Sumpstine; B. R. Weimer
Borgmeier's Revista De Entomologia. An Appeal to Entomologists, p. 540
J. Bequaert


Scientific Books
Medical Climatology, pp. 540-542
Medical Climatology
Clarence A. Mills
Review author[s]: Ellsworth Huntington


Special Articles
The Bacteriostatic Action of Sulfanilamide under Anaerobic Conditions, pp. 543-544
R. H. Broh-Kahn
Effect of Nicotinamide on Respiration of Dysentery Bacilli, pp. 544-545
Albert Dorfman; Stewart A. Koser; Felix Saunders
Somatoplastic Sterility in Medicago Sativa, pp. 545-546
R. A. Brink; D. C. Cooper


Science News, pp. 8a+10a+11a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 90, No. 2344, Dec. 1, 1939
Next Issue: New Series, Vol. 90, No. 2346, Dec. 15, 1939



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Science, New Series, Vol. 90, No. 2346, Dec. 15, 1939


Previous Issue: New Series, Vol. 90, No. 2345, Dec. 8, 1939
Next Issue: New Series, Vol. 90, No. 2347, Dec. 22, 1939


Front Matter (3 pp.)
Dr. Robert Henry Thurston's Eighteen Years at Cornell, pp. 547-552
William F. Durand

Photoperiodic Aspects of Phasic Development, pp. 552-555
W. F. Loehwing


Obituary
Margaret Floy Washburn: 1871-1939, pp. 555-557
Karl M. Dallenbach
Oscar Henry Plant, pp. 557-558
E. G. Gross; I. H. Pierce
Recent Deaths and Memorials, p. 558


Scientific Events
Mining Education in England, pp. 558-559
Lectures to the Laity of the New York Academy of Medicine, p. 559
Statement of the Board of Trustees of Biological Abstracts, pp. 559-560
The Annual Meeting of the Council of the Union of American Biological Societies, p. 560
George W. Hunter
Award of the Penrose Medal of the Geological Society of America, pp. 560-561


Scientific Notes and News, pp. 561-564


Discussion
Grassland as a Site for Basic Research on Terrestrial Animals, pp. 564-565
V. E. Shelford
Oxygen Requirements for Germination of Seeds of Nyssa Aquatica--Tupelo Gum, pp. 565-566
Ivan V. Shunk
On "A New Color Reaction for Vitamin B1 (Thiamin, Aneurin)", p. 566
Guy E. Youngburg
Chronica Botanica, p. 566
D. T. MacDougal; F. E. Lloyd; H. S. Reed


Scientific Books
Physics, pp. 566-568
Physical Science in Modern Life
E. G. Richardson
Demonstration Experiments in Physics
Richard Manliffe Sutton
Review author[s]: F. C. Brown


Reports
Grants of the American Philosophical Society, pp. 568-570


Special Articles
Photosynthesis with Radio-Carbon, pp. 570-571
S. Ruben; M. D. Kamen; W. Z. Hassid; D. C. DeVault
The Preparation and Purification of Brucella Antiserum, pp. 571-572
I. Forest Huddleson; R. B. Pennell
Selenium and Duck Sickness, pp. 572-573
Arthur C. Twomey; Sarah J. Twomey; Loring R. Williams


Scientific Apparatus and Laboratory Methods
A Simple Method for the Filing of Microfilm Records in Short Length Strips, pp. 573-574
Harold P. Brown; James A. Austin


Science News, pp. 8a+9a+10a

Previous Issue: New Series, Vol. 90, No. 2345, Dec. 8, 1939
Next Issue: New Series, Vol. 90, No. 2347, Dec. 22, 1939



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Science, New Series, Vol. 90, No. 2347, Dec. 22, 1939


Previous Issue: New Series, Vol. 90, No. 2346, Dec. 15, 1939
Next Issue: New Series, Vol. 90, No. 2348, Dec. 29, 1939


Front Matter (5 pp.)
Summary Statement of the Activities of the National Research Council, 1938-39, pp. 575-580
Ross G. Harrison; Albert L. Barrows

Award of the Medals of the Royal Society, pp. 580-582
William Bragg


Obituary
Livingston Farrand, pp. 583-584
Thomas Parran
Waldemar Lindgren: 1860-1939, pp. 584-585
W. H. Newhouse
Recent Deaths, p. 585


Scientific Events
The School of Tropical Medicine of the University of Puerto Rico, pp. 585-586
Research Grants of the Virginia Academy of Science, p. 586
E. C. L. Miller
The Carnegie Institution of Washington, pp. 586-587
Grants of the Carnegie Corporation of New York, p. 587


Scientific Notes and News, pp. 587-590


Discussion
Non-Technical Books on Science, pp. 590-591
F. R. Moulton
The Large Mammals of the Great Plains, pp. 591-592
V. E. Shelford
Zoology for Pre-Medical Students, p. 592
Walter C. Kraatz
Scientific Invention and Social Consciousness, p. 592
M. F. Ashley-Montagu


Scientific Books
Miller's Collected Works, p. 593
Review author[s]: W. A. Manning
A Guide in Entomology, p. 593
A Laboratory Guide in Entomology
Robert Matheson
Review author[s]: I. E. Gray


Societies and Meetings
Indiana Academy of Science, pp. 593-594
Will E. Edington
The New England Intercollegiate Field Geologists Conference, p. 594
Lloyd W. Fisher


Special Articles
The Mechanism of the Biological Citric Acid Synthesis, pp. 594-595
Niilo Hallman; P. E. Simola
Loss of Biologically Fixed Nitrogen from Soils and Its Bearing on Crop Production, pp. 595-596
T. R. Bhaskaran; S. C. Pillai
The Availability of the Iron in Dried Peas and Beans, pp. 596-597
Leah Ascham; Mary Speirs; Dorothy Maddox


Scientific Apparatus and Laboratory Methods
Culture Technic for Quantitative Growth Studies with Myxophyceae, p. 597
Lee Walp
An Inexpensive Small Air Compressor, pp. 597-598
G. J. Raleigh
A Convenient Method for Obtaining Blood Serum, p. 598
E. M. Abrahamson


Science News, pp. 14a+16a+18a

Previous Issue: New Series, Vol. 90, No. 2346, Dec. 15, 1939
Next Issue: New Series, Vol. 90, No. 2348, Dec. 29, 1939



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Science, New Series, Vol. 90, No. 2348, Dec. 29, 1939


Previous Issue: New Series, Vol. 90, No. 2347, Dec. 22, 1939
Next Issue: New Series, Vol. 91, No. 2349, Jan. 5, 1940


Front Matter (3 pp.)


The American Association for the Advancement of Science
The Public Relations of Science, pp. 599-607
Wesley C. Mitchell


Obituary
Frederick Adams Woods, pp. 607-608
Charles B. Davenport
Fred William Tinney, pp. 608-609
Correspondent
Henry Clinton Fall, p. 609
T. D. A. Cockerell
Recent Deaths and Memorials, p. 609


Scientific Events
The Status of the Engineering Profession, pp. 609-610
The Francis Amory Septennial Prize of the American Academy of Arts and Sciences, p. 610
A Zoological Expedition of the Field Museum, pp. 610-611
Soil Conservation, p. 611
The Minneapolis Meeting of the Geological Society of America and Associated Societies, p. 611
Officers of the American Chemical Society, pp. 611-612


Scientific Notes and News, pp. 612-615


Discussion
Radioactivity in Biological Experiments, pp. 615-616
S. Goudsmit
Pseudomethemoglobin and Its Reaction with Carbon Monoxide after Reduction, p. 616
Georg Barkan; Otto Schales
An Experiment on Retinal After-Image and Judgment of Size, pp. 616-617
Richard M. Sutton
The Occurrence of the Two Rare Genera, Protohydra and Protodrilus, on the East Coast of North America, pp. 617-618
T. K. Ruebush


Scientific Books
The Teachers of Physics, pp. 618-619
Review author[s]: Niel F. Beardsley


Special Articles
A Defect in the Metabolism of Aromatic Amino Acids in Premature Infants: The Role of Vitamin C, pp. 620-621
S. Z. Levine; Eleanor Marples; H. H. Gordon
Reaction of Variola Vaccine Virus to Roentgen Rays, pp. 621-622
John W. Gowen; Alfred M. Lucas
Electrophoretic Study of Pituitary Lactogenic Hormone, pp. 622-623
Choh Hao Li; William R. Lyons; Herbert M. Evans


Scientific Apparatus and Laboratory Methods
The Determination of Carotene, p. 623
George Kernohan
Protection of Herbarium Specimens, p. 624
C. S. Semmens
Marking Rocks, Minerals and Fossils, p. 624
George D. Hubbard


Science, pp. 6a+7a+8a

Previous Issue: New Series, Vol. 90, No. 2347, Dec. 22, 1939
Next Issue: New Series, Vol. 91, No. 2349, Jan. 5, 1940



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