Previous Issue: New Series, Vol. 108, No. 2818, Dec. 31, 1948
Next Issue: New Series, Vol. 109, No. 2820, Jan. 14, 1949
Volume Information (2 pp.)
Elvin Charles Stakman: President of AAAS, 1949, pp. 1-2
- Helen Hart
Research and the Development of Atomic Energy, pp. 2-7
- Robert F. Bacher
Preliminary Investigations of Chromosomes and Genes with the Electron Microscope, pp. 8-10+22
- Daniel C. Pease; Richard F. Baker
Technical Papers
- Effect of Absorber Position on Counting Rate of Collimated and Uncollimated Beta and Gamma Radiation, pp. 11-12
- Francis Johnston; John E. Willard
- Oxidation of Parenterally Administered C14-Labeled Tripalmitin Emulsions, p. 13
- S. R. Lerner; I. L. Chaikoff; C. Entenman; W. G. Dauben
- Life Cycle of Postharmostomum laruei McIntosh 1934 (Trematoda: Brachylaemidae), pp. 13-14
- Martin J. Ulmer
- Distribution of Free Amino Acids in Mouse Epidermis in Various Phases of Growth as Determined by Paper Partition Chromatography, pp. 14-16
- Eugene Roberts; Garson H. Tishkoff
- Blocking Action of Tetraethylammonium on Axon Reflexes in the Human Skin, p. 16
- Henry Janowitz; M. I. Grossman
- Further Consideration of a Suggested Simple Laboratory Test for Poliomyelitis Virus, p. 17
- Pierre R. Lépine; Alex J. Steigman; Albert B. Sabin
Comments and Communications
- A Note on ``Why Vegetation on Watersheds?'', p. 18
- W. E. Bullard
- Antigen Films and Long-Range Forces, p. 18
- John Iball
- Antigen Films and Long-Range Forces, p. 18
- John Iball
- Precedence of Modern Plant Names over Names Based on Fossils?, pp. 18-19
- Otto Haas
- Precedence of Modern Plant Names over Names Based on Fossils?, pp. 18-19
- Otto Haas
- The Human Engineering Seminar at New York University, p. 19
- Lawrence Edwin Abt
In Memoriam
- Richard Chace Tolman: 1881-1948, pp. 20-21
- Vannevar Bush
Book Reviews
- ----------------, p. 21
- Review author[s]: F. Duran-Reynals
- ----------------, pp. 21-22
- Outlines of Physical Chemistry
- Farrington Daniels
- Review author[s]: Raymond M. Fuoss
- ----------------, p. 22
- North American Trees (Exclusive of Mexico and Tropical United States)
- Richard J. Preston
- Review author[s]: M. A. Huberman
Scientific Book Register, p. 22
News and Notes, pp. 23-26
Previous Issue: New Series, Vol. 108, No. 2818, Dec. 31, 1948
Next Issue: New Series, Vol. 109, No. 2820, Jan. 14, 1949
Previous Issue: New Series, Vol. 109, No. 2819, Jan. 7, 1949
Next Issue: New Series, Vol. 109, No. 2821, Jan. 21, 1949
Front Matter, p. 45
Social Responsibility, pp. 27-30+43
- George Brock Chisholm
Technical Papers
- Synthesis of Enantiomeric α-Lecithins, p. 31
- Erich Baer; Morris Kates
- Notes on the Life History of a Brachylaemid Trematode, p. 32
- Edwin J. Robinson
- Vitamin B14 and Cell Proliferation, pp. 32-33
- Earl R. Norris; John J. Majnarich
- Action of Enzymes on Vitamin B14 and Pteridines, pp. 33-35
- Earl R. Norris; John J. Majnarich
- A Synthesis of Benzene, Toluene, and Benzoic Acid Labeled in the Ring with Isotopic Carbon, p. 35
- Melvin Fields; Morris A. Leaffer; John Rohan
- A Comparative Study of the Hemoglobin and Red Blood Cells of Representative Diving and Dabbling Ducks, pp. 36-37
- Perry W. Gilbert; Charles F. Bond
- Liver Damage by Desoxycorticosterone, pp. 37-39
- E. S. Sinaiko; H. Necheles
- The Use of an Electrolytic Injector as a ``Compensating Device'' in Electrophoresis, pp. 39-40
- P. Johnson; E. M. Shooter
Comments and Communications
- Natural Vegetation in the Willamette Valley, Oregon, pp. 41-42
- John E. Smith
- A Tree-Trunk Squeeze-Up in Lava, p. 42
- Alton A. Lindsey
- Climatic Changes and Dark Nebulae, p. 42
- Waldo S. Glock
In Memoriam
- Joyce Clennam Stearns: 1893-1948, p. 43
- Arthur H. Compton
Book Reviews
- ----------------, p. 44
- Mikro-Methoden: zur Kennzeichnung organischer Stoffe und Stoffgemische
- Ludwig Kofler; Adelheid Kofler
- Review author[s]: A. J. Haagen-Smit
- ----------------, p. 44
- Review author[s]: Ernst Weber
- ----------------, pp. 44-45
- Drug Research and Development
- Austin Smith; Arthur D. Herrick
- Review author[s]: Walter H. Seegers
News and Notes, pp. 46-50
Previous Issue: New Series, Vol. 109, No. 2819, Jan. 7, 1949
Next Issue: New Series, Vol. 109, No. 2821, Jan. 21, 1949
Previous Issue: New Series, Vol. 109, No. 2820, Jan. 14, 1949
Next Issue: New Series, Vol. 109, No. 2822, Jan. 28, 1949
Solar Energy, pp. 51-57
- Farrington Daniels
Uranium Deposits in the USSR, pp. 58-60
- D. B. Shimkin
Technical Papers
- Pentavalent Manganese, p. 61
- H. H. Miller; L. B. Rogers
- Note on the Genetics of Hypercholesterolemia, pp. 61-62
- R. M. Stecher; A. H. Hersh
- The Flowering and Seed-Setting of Sweet Potatoes in Puerto Rico, pp. 62-63
- H. E. Warmke; H. J. Cruzado
- Influence of Texture of Food on Its Acceptance by Rats, pp. 63-64
- Anton J. Carlson; Frederick Hoelzel
- The Influence of Brief Periods of Strenuous Exercise on the Blood Platelet Count, pp. 64-65
- E. B. Gerheim; A. T. Miller
- The Zone of Localization of Anti-Mouse-Kidney Serum as Determined by Radioautographs, pp. 65-66
- David Pressman; Ruth F. Hill; Frank W. Foote
- Growth of Potato Sprouts Retarded by 2,4,5-Trichlorophenoxyacetic Acid, pp. 66-68
- Ora Smith; J. H. Ellison; Fred McGoldrick
- A New Dietary Factor Related to Xanthine Oxidase, p. 68
- W. W. Westerfeld; Dan A. Richert
Comments and Communications
- The Miticidal Properties of Di (p-Chlorophenyl) Methyl Carbinol in Laboratory Insect Rearings, p. 69
- Paul A. Dahm; Carl L. Bauer
- Is There Laterite in Rocks of the Dakota Group?, p. 69
- James Thorp; E. C. Reed
- On the Site of Discovery of the ``Male Sterile'' John Baer Tomato Mutant, p. 69
- W. E. Roever
Book Reviews
- ----------------, p. 70
- Introduction to Chemical Thermodynamics
- Luke E. Steiner
- Review author[s]: Frederick D. Rossini
- ----------------, p. 70
- Review author[s]: Eugene L. Hartley
- ----------------, pp. 70-71
- Review author[s]: Raymond E. Zirkle
- ----------------, p. 71
- Chymia: Annual Studies in the History of Chemistry
- Tenney L. Davis
- Review author[s]: Morris C. Leikind
Scientific Book Register, p. 71
News and Notes, pp. 72-76
Previous Issue: New Series, Vol. 109, No. 2820, Jan. 14, 1949
Next Issue: New Series, Vol. 109, No. 2822, Jan. 28, 1949
Previous Issue: New Series, Vol. 109, No. 2821, Jan. 21, 1949
Next Issue: New Series, Vol. 109, No. 2823, Feb. 4, 1949
The History of Oxygen, pp. 77-81+96
- Malcolm Dole
On the Origin of the Chemical Elements, pp. 81-82
- D. Ter Haar
Technical Papers
- The Influence of Thyroid and Thiouracil on Mice Exposed to Roentgen Radiation, pp. 83-84
- Henry C. Blount; Willie W. Smith
- A Method for Studying Growth in Different Groups of Arthropods, pp. 84-85
- Curtis L. Newcombe
- Cultivation of the Lansing Strain of Poliomyelitis Virus in Cultures of Various Human Embryonic Tissues, pp. 85-87
- John F. Enders; Thomas H. Weller; Frederick C. Robbins
- Insect Vectors of Phony Peach Disease, pp. 87-88
- William F. Turner
- Inhibition of the Adenosinetriphosphatase Activity of Preparations of Myosin, pp. 88-89
- Francis Binkley
Comments and Communications
- In Support of Michurin's Biological Theory in Higher Institutions of Learning, pp. 90-92
- Instruments for Recording Blood Pressure, p. 92
- J. P. Meehan; R. D. Meyer
- Requesting Reprints from Abroad, p. 92
In Memoriam
- Robert G. Green: 1895-1947, p. 93
- Peyton Rous
- Robert Tracy Jackson: 1861-1948, pp. 93-94
- Joseph A. Cushman
Association Affairs
- AAAS Officers--1949, pp. 94-95
Book Reviews
- ----------------, p. 95
- Lehrbuch der inneren Sekretion
- F. Verzár
- Review author[s]: Theodore Koppanyi
- ----------------, pp. 95-96
- Crop Management and Soil Conservation
- Joseph F. Cox; Lyman E. Jackson
- Farm Soils: Their Management and Fertilization
- Edmund L. Worthen
- Review author[s]: Charles E. Kellogg
Scientific Book Register, p. 96
News and Notes, pp. 97-102
Previous Issue: New Series, Vol. 109, No. 2821, Jan. 21, 1949
Next Issue: New Series, Vol. 109, No. 2823, Feb. 4, 1949
Previous Issue: New Series, Vol. 109, No. 2822, Jan. 28, 1949
Next Issue: New Series, Vol. 109, No. 2824, Feb. 11, 1949
Energy from Fossil Fuels, pp. 103-109
- M. King Hubbert
Analysis of Microcomposition of Biological Tissue by means of Induced Radioactivity, pp. 109-113
- Cornelius A. Tobias; Rayburn W. Dunn
Technical Papers
- Creation of a ``σ'' Meson by a Highly Ionizing Nucleus in the Cosmic Radiations, pp. 114-115
- J. J. Lord; Marcel Schein
- Analysis of Insect Food Habits by Crop Examination, pp. 115-116
- Frederick B. Isely; Gordon Alexander
- Evidence That Two Different Plant Viruses Can Multiply Simultaneously in the Same Cell, pp. 116-117
- Frank P. McWhorter; W. C. Price
- Catheterization of the Coronary Sinus, Right Heart, and Other Viscera with a Modified Venous Catheter, pp. 117-119
- Walter T. Goodale; Martin Lubin; William G. Banfield; Donald B. Hackel
- A Modified Photoelectric Apparatus for Permeability Studies, pp. 119-121
- F. R. Hunter
Comments and Communications
- Blood Changes Due to Ammonia Inhalation?, pp. 121-122
- James L. Whittenberger
- On New Nicotinolytic Compounds, p. 122
- C. Heymans; J. J. Estable
- Nazi Persecution of Scientists, p. 122
- Walter C. Alvarez
Book Reviews
- ----------------, p. 123
- Methods of Psychology
- T. G. Andrews
- Review author[s]: Miles A. Tinker
- ----------------, p. 123
- Principles of Mathematical Physics
- William V. Houston
- Review author[s]: Henry Margenau
- ----------------, pp. 123-124
- Studies of Upper-Air Conditions in Low Latitudes. Part I: On the Formation of West Atlantic Hurricanes (Riehl); Part II: Relations between High- and Low-Latitude Circulations (Cressman)
- Herbert Riehl; George P. Cressman
- Review author[s]: Thomas F. Malone
Scientific Book Register, p. 124
Association Affairs
- AAAS Staff Changes, p. 125
- Conference on U. N., p. 125
News and Notes, pp. 126-130
Previous Issue: New Series, Vol. 109, No. 2822, Jan. 28, 1949
Next Issue: New Series, Vol. 109, No. 2824, Feb. 11, 1949
Previous Issue: New Series, Vol. 109, No. 2823, Feb. 4, 1949
Next Issue: New Series, Vol. 109, No. 2825, Feb. 18, 1949
Science and the Maintenance of Peace, pp. 131-137
- Bart J. Bok
Sir D'Arcy Wentworth Thompson, C.B., F.R.S. (1860-1948), pp. 138-139+151
- Robert Chambers
The Path of Carbon in Photosynthesis IV: The Identity and Sequence of the Intermediates in Sucrose Synthesis, pp. 140-142
- M. Calvin; A. A. Benson
Technical Papers
- Underwater Listening to the White Porpoise (Delphinapterus leucas), pp. 143-144
- William E. Schevill; Barbara Lawrence
- Colorimetric Estimation of Succinic Dehydrogenase by Triphenyltetrazolium Chloride, pp. 144-146
- Ernest Kun; L. G. Abood
- Determination of Radioactive Content of Rocks by means of Geiger-Müller Counters, pp. 146-147
- A. Szalay; Eve Csongor
- An Ostreodynamometer for Studying the Activities inside the Shell of Bivalve Mollusks, pp. 148-149
- H. Malcolm Owen; Charles R. Maduell; Robert M. Ingle
- The Osmotic Activities of Sodium Penicillins F, G, K, and X, pp. 149-151
- C. G. Lund; K. Pedersen-Bjergaard
Book Reviews
- ----------------, p. 152
- Radioactive Indicators: Their Application in Biochemistry, Animal Physiology, and Pathology
- George Hevesy
- Review author[s]: Martin D. Kamen
- ----------------, p. 152
- Pulse Generators
- G. N. Glaso; J. V. Lebacqz
- Review author[s]: William W. Hansen
News and Notes, pp. 153-156
Previous Issue: New Series, Vol. 109, No. 2823, Feb. 4, 1949
Next Issue: New Series, Vol. 109, No. 2825, Feb. 18, 1949
Previous Issue: New Series, Vol. 109, No. 2824, Feb. 11, 1949
Next Issue: New Series, Vol. 109, No. 2826, Feb. 25, 1949
Rhythmic Behavior of the Nervous System, pp. 157-164
- Hudson Hoagland
Polarization of Light from Distant Stars by Interstellar Medium, p. 165
- W. A. Hiltner
Observations of the Polarized Light from Stars, pp. 166-167
- John S. Hall
Technical Papers
- Structural Control in the Formation of Gneisses and Metamorphic Rocks, p. 168
- W. H. Newhouse; A. F. Hagner; G. W. DeVore
- Rate of Nucleation of Solid Particles in a Subcooled Liquid, pp. 168-169
- J. C. Fisher; J. H. Hollomon; D. Turnbull
- The Reduction of 2,3,5-Triphenyltetrazolium Chloride by Penicillium chrysogenum, pp. 169-170
- Rosalie Broun Fred; S. G. Knight
- Existence of a Tryptophan-Niacin Relationship in Corn, pp. 170-171
- Alvin Nason
- A New Method of Freezing Eggs in the Shell and Its Possibilities for Further Application on Freezing Foods in General, pp. 171-173
- Socrates A. Kaloyereas
- Reversal to Penicillin Sensitivity in a Cysteine-Requiring Mutant of Salmonella, pp. 173-174
- H. H. Plough; Madelon R. Grimm
- Inhibition of Salt Accumulation in Excised Wheat Roots by 2,4-Dichlorophenoxyacetic Acid, pp. 174-176
- James F. Nance
Comments and Communications
- Directory of Latin-American Scientific Institutions, p. 177
- Harlow Shapley
- Direct-Writing Instruments for Radiocardiography, p. 177
- Payne S. Harris
- The Highest Laboratory in the World, p. 177
- Alberto Hurtado
- A Suggested Contraction for ``Desoxyribonucleic Acid'', p. 177
- Ruth S. Bitter
News and Notes, pp. 178-182
Previous Issue: New Series, Vol. 109, No. 2824, Feb. 11, 1949
Next Issue: New Series, Vol. 109, No. 2826, Feb. 25, 1949
Previous Issue: New Series, Vol. 109, No. 2825, Feb. 18, 1949
Next Issue: New Series, Vol. 109, No. 2827, Mar. 4, 1949
Luminescent Solids (Phosphors), pp. 183-195
- H. W. Leverenz
The Nature of the Organizer, pp. 195-197
- Richard M. Eakin
Technical Papers
- Thermal Separation of Radiomercury from Radiosodium, p. 198
- P. B. Reaser; G. E. Burch; S. A. Threefoot; C. T. Ray
- Apricots and Plums as Hosts of Western X-Disease, p. 199
- Austin O. Simonds
- Aureomycin, a New Antibiotic, pp. 199-200
- R. W. Broschard; A. C. Dornbush; S. Gordon; B. L. Hutchings; A. R. Kohler; G. Krupka; S. Kushner; D. V. Lefemine; C. Pidacks
- 2-Acetylamino-9-C14-Fluorene, p. 200
- Francis Earl Ray; C. Robert Geiser
- Experiments in Crossing Aedes (Stegomyia) aegypti Linnaeus and Aedes (Stegomyia) albopictus Skuse, pp. 200-201
- Wilbur G. Downs; Rollin H. Baker
- Effectiveness of Vitamin P Compounds in Counteracting Anticoagulant Action of Dicoumarol, pp. 201-202
- Gustav J. Martin; Vinton Swayne
- Effect of p-Chlorophenoxyacetic Acid on the Vitamin C Content of Snap Beans Following Harvest, pp. 202-203
- John W. Mitchell; Boyce D. Ezell; Marguerite S. Wilcox
- A Quantitative Hardness Tester for Food Products, p. 204
- Edward Ross
- The Properties of the Enzyme-Substrate Compounds of Horse-Radish and Lacto-Peroxidase, pp. 204-208
- Britton Chance
Comments and Communications
- Pressure Patterns in Bird Migration, p. 209
- C. Suffern
- On the Carcinogenesis of 2-Substituted Fluorenes, p. 209
- Louis A. Pinck
- Oyster Mortality in Louisiana, p. 210
- Walter A. Chipman
- Biological Education in Secondary Schools, p. 210
- J. Van Overbeek
In Memoriam
- Wesley Clair Mitchell: 1874-1948, pp. 211-212
- Joseph H. Willits
Book Reviews
- ----------------, p. 213
- Review author[s]: Arthur Rosenthal
- ----------------, p. 213
- Review author[s]: Warren O. Thompson
- ----------------, pp. 213-214
- Bibliography of Animal Venoms
- R. W. Harmon; C. B. Pollard
- Review author[s]: James A. Peters
Scientific Book Register, p. 214
News and Notes, pp. 215-218
Previous Issue: New Series, Vol. 109, No. 2825, Feb. 18, 1949
Next Issue: New Series, Vol. 109, No. 2827, Mar. 4, 1949
Previous Issue: New Series, Vol. 109, No. 2826, Feb. 25, 1949
Next Issue: New Series, Vol. 109, No. 2828, Mar. 11, 1949
Research and Politics, pp. 219-227
- Richard B. Goldschmidt
Age Determination by Radiocarbon Content: World-Wide Assay of Natural Radiocarbon, pp. 227-228
- W. F. Libby; E. C. Anderson; J. R. Arnold
Technical Papers
- 1-C14-D-Glucose and 1-C14-D-Mannose, p. 229
- John C. Sowden
- Crushing Strengths of Minerals at Low Temperatures, pp. 229-230
- James M. Weigle
- A Microscope Stage for Continuous Anesthesia of Insects, p. 230
- Edwin R. Willis; Louis M. Roth
- Changes in Bark Thickness during Sap Flow in Sugar Maples, pp. 231-232
- James W. Marvin
- The Effect of Water Diuresis on Renal Plasma Flow, pp. 232-233
- Carleton B. Chapman; Austin Henschel
- Acid Phosphomonesterase Activity of Human Neoplastic Tissue, pp. 233-235
- Henry M. Lemon; Charles L. Wisseman
Book Reviews
- ----------------, p. 236
- Review author[s]: Icko Iben
- ----------------, p. 236
- Equazioni differenziali
- F. Tricomi
- Review author[s]: I. Opatowski
Association Affairs
- The Gordon Research Conferences, p. 237
- Program, pp. 237-240
News and Notes, pp. 240-244
Previous Issue: New Series, Vol. 109, No. 2826, Feb. 25, 1949
Next Issue: New Series, Vol. 109, No. 2828, Mar. 11, 1949
Previous Issue: New Series, Vol. 109, No. 2827, Mar. 4, 1949
Next Issue: New Series, Vol. 109, No. 2829, Mar. 18, 1949
Oak Ridge National Laboratory, pp. 245-248
- Alvin M. Weinberg
On the Calculation of Planet Temperatures from the Composition of Meteoritic Matter, pp. 248-251
- I. M. Klotz
The Composition of Meteoritic Matter and the Origin of Meteorites, pp. 251-254
- Harrison Brown
Technical Papers
- An Alternative Method for the Culture of Sciara Larvae, p. 255
- Jean D. Bath; O. L. Sponsler
- Discontinuities in Properties of Water as a Function of Temperature, pp. 255-256
- George Antonoff; Robert J. Conan
- A Study of Gastric HCL Formation, pp. 256-258
- W. B. Patterson; DeWitt Stetten
- Deposition and Simultaneous Concentration of Dilute Solutions in Paper Partition Chromatography, pp. 259-260
- Karl F. Urbach
- A Simple Device for Exposure of Groups of Mice to Uniform X-Ray Doses, p. 260
- Alvin Haber
- Infrared Spectrometry in Metabolic Studies with Deuterium-Labeled Steroids, pp. 260-261
- Konrad Dobriner; Theodore H. Kritchevsky; David K. Fukushima; Seymour Lieberman; Thomas F. Gallagher; James D. Hardy; R. Norman Jones; G. Cilento
- The Use of Change in Capacity to Record Cardiac Volume in Human Subjects, pp. 262-263
- William V. Whitehorn; Edward R. Perl
Comments and Communications
- In Praise of Chisholm's ``Social Responsibility'', p. 264
- Rollin G. Myers
- Concerning the Nutritive Value of Breads, p. 264
- N. B. Guerrant
- The Structure-Action Relationships of the Choline Group, pp. 264-266
- H. R. Ing
News and Notes, pp. 267-270
Previous Issue: New Series, Vol. 109, No. 2827, Mar. 4, 1949
Next Issue: New Series, Vol. 109, No. 2829, Mar. 18, 1949
Previous Issue: New Series, Vol. 109, No. 2828, Mar. 11, 1949
Next Issue: New Series, Vol. 109, No. 2830, Mar. 25, 1949
A New Development in Ocean Wave Research, pp. 271-274
- H. R. Seiwell; George P. Wadsworth
Comparative Electron and Light Microscopic Investigations of Tactoid Structures in V2O5-Sols, pp. 274-278
- John H. L. Watson; Wilfried Heller; Wesley Wojtowicz
Technical Papers
- Alleviation of Experimental Diabetes in Man by Administration of Reduced Glutathione (GSH): Metabolic Implications, pp. 279-280
- Jerome W. Conn; Lawrence H. Louis; Margaret W. Johnston
- Production of Acute Gouty Arthritis by Adrenocorticotropin, pp. 280-281
- Leon Hellman
- A Simple Method for Welding Thermocouples, p. 281
- James A. Riley
- Secretion of Radioactive Calcium in the Hen's Egg, p. 282
- C. L. Comar; J. Clyde Driggers
- Statistical Data on Glacial Boulders, pp. 283-284
- Gerald A. Waring
- Characteristics of the Desoxycholate-Treated Cytochrome Oxidase, pp. 284-285
- S. J. Cooperstein; B. Eichel; W. W. Wainio
- The Analgesic Action of Teropterin, p. 286
- Donald Slaughter
- Flow in a Thin Glass Capillary as Affected by Wetting the Exterior of the Capillary, pp. 286-287
- J. C. Henniker; J. W. McBain
- Paper Chromatography of Flavonoid Pigments, pp. 287-289
- Simon H. Wender; Thomas B. Gage
- The Inhibitory Role of ``Motor'' Nerves, p. 289
- A. R. McIntyre; A. L. Bennett
Comments and Communications
- Cultural and Scientific Conference for World Peace, p. 290
- Charles C. Price
- Terminology for Sedimentation Force in Centrifugation, p. 290
- H. H. Thornberry
- Scientific Method and Social Problems, p. 290
- Edgar G. Miller
- Colloidal Electrolytes as a Class Inclusive of Polyelectrolytes, Chain Electrolytes, Long Chain Salts, Dyes, and Detergents, pp. 291-292
- James W. McBain
- Erratum, p. 292
- H. H. Plough
Book Reviews
- ----------------, p. 292
- The Chemistry of High Polymers
- C. E. H. Bawn
- Review author[s]: Turner Alfrey
- ----------------, pp. 292-293
- Review author[s]: J. Lorus; Margery J. Milne
- ----------------, p. 293
- Psychology
- William James
- Review author[s]: Walter R. Miles
- ----------------, pp. 293-294
- Organic Reactions
- Roger Adams
- Review author[s]: Everett S. Wallis
Scientific Book Register, p. 294
Association Affairs, p. 294
News and Notes, pp. 295-298
Previous Issue: New Series, Vol. 109, No. 2828, Mar. 11, 1949
Next Issue: New Series, Vol. 109, No. 2830, Mar. 25, 1949
Previous Issue: New Series, Vol. 109, No. 2829, Mar. 18, 1949
Next Issue: New Series, Vol. 109, No. 2831, Apr. 1, 1949
Quantitative Inferences Concerning the Genetic Effects of Radiation on Human Beings, pp. 299-304
- Robley D. Evans
Neomycin, a New Antibiotic Active against Streptomycin-Resistant Bacteria, Including Tuberculosis Organisms, pp. 305-307
- Selman A. Waksman; Hubert A. Lechevalier
Technical Papers
- Electron Micrographic Observations of Tobacco Mosaic Virus in Crude, Undiluted Plant Juice, pp. 308-309
- Robley C. Williams; Russell L. Steere
- Infrared Spectra and the Amide Linkage in a Native Globular Protein, pp. 309-310
- I. M. Klotz; Patricia Griswold
- The Effect of Choline-Deficiency on Uterine Activity of Rats, pp. 310-312
- Charles P. Kraatz; Charles M. Gruber
- A New Method of Inoculating the Maydeae with Smut Fungi, pp. 312-313
- Jack R. Wallin
- The Semiquinone Radical of Tocopherol, pp. 313-314
- L. Michaelis; S. H. Wollman
- Technique for Making Spreads of Omentum from Small Animals, p. 314
- Joy Barnes Cross
- Scanning Instrument for Quantitative One-Dimensional Paper Partition Chromatography, pp. 314-315
- L. S. Fosdick; R. Q. Blackwell
- The Use of Ion Exchange for the Determination of Radioelements in Large Volumes of Urine, pp. 316-317
- Jack Schubert; Edwin R. Russell; Lawrence B. Farabee
Book Reviews
- ----------------, p. 318
- Advances in Food Research
- E. M. Mrak; George F. Stewart
- Review author[s]: E. V. McCollum
- ----------------, p. 318
- A Textbook of Beat for Upperclassmen
- LeRoy D. Weld
- Review author[s]: Mark W. Zemansky
Scientific Book Register, p. 318
News and Notes, pp. 319-322
Previous Issue: New Series, Vol. 109, No. 2829, Mar. 18, 1949
Next Issue: New Series, Vol. 109, No. 2831, Apr. 1, 1949
Previous Issue: New Series, Vol. 109, No. 2830, Mar. 25, 1949
Next Issue: New Series, Vol. 109, No. 2832, Apr. 8, 1949
The Responsibility of the Anthropologist, pp. 323-326
- Harry L. Shapiro
The Use of Autoradiographs in the Quantitative Determination of Radiation Dosages from Ca45 in Bone, pp. 327-328+342
- Robert A. Dudley; Brown M. Dobyns
Technical Papers
- Absorption of Radioactive Calcium by the Peanut Fruit, pp. 329-330
- Roger W. Bledsoe; C. L. Comar; H. C. Harris
- The Influence of Delta and Gamma Benzene Hexachloride upon the Oxygen Uptake of Brain, pp. 330-331
- Bernard P. McNamara; Stephen Krop
- Color Change of Strawberry Anthocyanin with D-Glucose, pp. 331-332
- Ernest Sondheimer; Frank A. Lee
- The Effect of Pteroylglutamic Acid on the Aromatic Amino Acid Metabolism of Premature Infants, pp. 332-333
- C. D. Govan; Harry H. Gordon
- A Method for Self-Control of Population Growth among Mammals Living in the Wild, pp. 333-335
- John B. Calhoun
- Chemical Analysis of Spectrophotometric Findings in the Cerebrospinal Fluid, pp. 335-336
- M. Spiegel-Adolf; H. T. Wycis; E. A. Spiegel
- Some Effects of Nonherbicidal Concentrations of 2,4-D on the Development of the Bean Plant, pp. 336-337
- Victor A. Greulach; Sucha Singh
- The Effect of Castration and of Testosterone upon the Respiration of Rat Brain, pp. 337-338
- Eugene Eisenberg; Gilbert S. Gordan; Henry W. Elliott
Comments and Communications
- Glycine Reagent for Paper Chromatograms, p. 339
- A. R. Patton; E. M. Foreman
- Nomenclature of the Soybean, p. 339
- Jiří Paclt
- Two Ancient Archeological Sites in the Great Basin, p. 340
- Elizabeth W. Crozer Campbell
In Memoriam
- William Thomas Shaw: 1873-1948, p. 341
- Perez Simmons
Scientific Book Register, p. 342
News and Notes, pp. 343-346
Previous Issue: New Series, Vol. 109, No. 2830, Mar. 25, 1949
Next Issue: New Series, Vol. 109, No. 2832, Apr. 8, 1949
Previous Issue: New Series, Vol. 109, No. 2831, Apr. 1, 1949
Next Issue: New Series, Vol. 109, No. 2833, Apr. 15, 1949
The Neutron Pile as a Tool in Quantitative Analysis; the Gallium and Palladium Content of Iron Meteorites, pp. 347-353
- Harrison Brown; Edward Goldberg
Seven Decades of Nutrition Research, pp. 354-358
- C. A. Elvehjem
Technical Papers
- The Prevention and Treatment of Motion Sickness I. Seasickness, p. 359
- Leslie N. Gay; Paul E. Carliner
- The Effectiveness of Dramamine in the Prevention of Airsickness, pp. 359-360
- Benjamin A. Strickland; George L. Hahn
- Chronic Toxicity of Gossypol, p. 361
- Edward Eagle
- Application of Chromatography to the Separation of Subcellular, Enzymatically Active Granules, pp. 361-364
- Vernon T. Riley; Marie L. Hesselbach; Silvio Fiala; M. W. Woods; Dean Burk
- Lygus Bugs in Relation to the Occurrence of Embryoless Seeds in the Umbelliferae, pp. 364-365
- Florence Flemion
- A Metabolic Regulator in Mammalian Spermatozoa, pp. 365-367
- Henry A. Lardy; D. Ghosh; G. W. E. Plaut
- Lack of Depolymerase Effect on Desoxyribonucleic Acid in Living Cells, p. 367
- J. O. Ely; M. H. Ross
News and Notes, pp. 368-370
Previous Issue: New Series, Vol. 109, No. 2831, Apr. 1, 1949
Next Issue: New Series, Vol. 109, No. 2833, Apr. 15, 1949
Previous Issue: New Series, Vol. 109, No. 2832, Apr. 8, 1949
Next Issue: New Series, Vol. 109, No. 2834, Apr. 22, 1949
A Color Translating Ultraviolet Microscope, pp. 371-374
- E. H. Land; E. R. Blout; D. S. Grey; M. S. Flower; H. Husek; R. C. Jones; C. H. Matz; D. P. Merrill
Examination of the Target Theory by Deuteron Bombardment of T-1 Phage, pp. 374-375+386
- Ernest C. Pollard; Frederick Forro
Technical Papers
- Direct-Reading Photocolorimetry, pp. 376-377
- John G. Reinhold
- The Separation of Purine and Pyrimidine Bases and of Nucleotides by Ion Exchange, pp. 377-378
- Waldo E. Cohn
- A Simplified Procedure for the Analytical Extraction of Lipids, pp. 378-379
- Joseph J. Kolb
- Evidence that Amputation of Bacterial Flagella Does not Affect Motility, pp. 379-380
- Adrianus Pijper
- A Simple Technique for Continuous Registration of Blood Flow, p. 381
- G. K. Moe
- Inhibitor in Onion for Starch Synthesis, pp. 382-383
- H. C. Eyster
- The Isthmic Mucous Membrane of the Human Uterus, p. 383
- D. N. Danforth; James C. F. Chapman
- Physical Studies on Corneal Tissues, pp. 383-384
- H. J. Adler; S. T. Gross; J. M. Lambert
Comments and Communications
- Use of Modified Ninhydrin Reagent in Quantitative Determination of Amino Acids by Paper Chromatography, p. 385
- Alton J. Landua; Jorge Awapara
- More on High School Biology Requirements, pp. 385-386
- Victor A. Greulach
- Errata, p. 386
- Richard B. Goldschmidt
- Errata, p. 386
- Selman A. Waksman
- Errata, p. 386
- Charles P. Kraatz
News and Notes, pp. 387-390
Previous Issue: New Series, Vol. 109, No. 2832, Apr. 8, 1949
Next Issue: New Series, Vol. 109, No. 2834, Apr. 22, 1949
Previous Issue: New Series, Vol. 109, No. 2833, Apr. 15, 1949
Next Issue: New Series, Vol. 109, No. 2835, Apr. 29, 1949
Growth and Morphogenesis, pp. 391-394
- Edmund W. Sinnott
A Cultural Approach to World Order, pp. 395-397
- Kirtley F. Mather
Cybernetics: A New Discipline, pp. 397-399
- Churchill Eisenhart
Cosmic Science and the Social Order, pp. 399-401
- Harlow Shapley
Comments and Communications
- Do Fish Fall from the Sky?, p. 402
- A. D. Bajkov
- The Linda Hall Scientific Library, Kansas City, Missouri, pp. 402-403
- John R. Ball
- Atmospheric Pressure and Bird Flight, p. 403
- Dorothy Ford Mayhew
- On the High Prices of Scientific Books, p. 403
- John R. Lowry
Book Reviews
- ----------------, pp. 404-405
- The Science of Biology Today
- Trofim Lysenko
- Review author[s]: Bentley Glass
- ----------------, pp. 405-406
- Review author[s]: Walter R. Miles
- ----------------, pp. 406-407
- Liberty Hyde Bailey: A Story of American Plant Sciences
- Andrew Denny Rodgers
- Review author[s]: Donald Culross Peattie
- ----------------, p. 407
- Scientific Foundations of Vacuum Technique
- Saul Dushman
- Review author[s]: Kenneth C. D. Hickman
- ----------------, pp. 407-408
- Quantum Mechanics
- Leonard I. Schiff
- Review author[s]: Victor F. Weisskopf
- ----------------, p. 408
- Review author[s]: Deane B. Judd
- ----------------, pp. 408-409
- Practical Spectroscopy
- George R. Harrison; Richard C. Lord; John R. Loofbourow
- Review author[s]: R. W. Wood
- ----------------, pp. 409-410
- Handbook of Radioactivity and Tracer Methodology
- William Siri
- Review author[s]: John B. Hursh
- ----------------, p. 410
- Some Aspects of the Luminescence of Solids
- F. A. Kröger
- Review author[s]: S. Mrozowski
- ----------------, pp. 410-411
- Vision and the Eye
- M. H. Pirenne
- Review author[s]: Stanley S. Ballard
- ----------------, p. 411
- Microwave Magnetrons
- George B. Collins
- Review author[s]: Paul L. Hartman
- ----------------, pp. 411-412
- Cosmic Rays
- L. Jánossy
- Review author[s]: K. Lark-Horovitz
- ----------------, p. 412
- Vacuum Tube Amplifiers
- George E. Valley; Henry Wallman
- Review author[s]: J. G. Reid
- ----------------, pp. 412-413
- The Face of the Moon
- Ralph B. Baldwin
- Review author[s]: Roy K. Marshall
- ----------------, p. 413
- Review author[s]: Donald M. Hatfield
- ----------------, pp. 413-414
- Studies on Bats and Bat Parasites
- Olof Ryberg
- Review author[s]: Neal A. Weber
- ----------------, p. 414
- The Avian Egg
- Alexis L. Romanoff; Anastasia J. Romanoff
- Review author[s]: Malcolm H. Soule
- ----------------, pp. 414-415
- Review author[s]: Kenneth W. Cooper
- ----------------, p. 415
- Wildlife Management: Upland Game and General Principles
- Reuben Edwin Trippensee
- Review author[s]: William H. Marshall
- ----------------, p. 415
- Larger Imperforate Foraminifera of South-Western Asia: Families Lituolidae, Orbitolinidae and Meandropsinidae
- Francis R. S. Henson
- Review author[s]: Joseph A. Cushman
- ----------------, pp. 415-416
- Animals without Backbones
- Ralph Buchsbaum
- Review author[s]: J. Lorus; Margery J. Milne
- ----------------, pp. 416-417
- Bacterial and Mycotic Infections of Man
- Rene J. Dubos
- Viral and Rickettsial Infections of Man
- Thomas M. Rivers
- Review author[s]: William S. Preston
- ----------------, pp. 417-418
- Review author[s]: Edward C. Colin
- ----------------, p. 418
- General Cytology
- E. D. P. DeRobertis; W. W. Nowinski; Francisco A. Saez
- Review author[s]: John B. Buck
- ----------------, pp. 418-419
- Review author[s]: Heinz Herrmann
- ----------------, p. 419
- Investigations of Human Requirements for B-Complex Vitamins
- Max K. Horwitt; Erich Liebert; Oscar Kreisler; Phyllis Wittman
- Review author[s]: R. R. Williams
- ----------------, pp. 419-420
- Experimental Immunochemistry
- Elvin A. Kabat; Manfred M. Mayer
- Review author[s]: Sanford S. Elberg
- ----------------, p. 420
- The Hormones: Physiology, Chemistry and Applications
- Gregory Pincus; Kenneth V. Thimann
- Review author[s]: Jane A. Russell; Alfred E. Wilhelmi
- ----------------, pp. 420-422
- The Chemistry of Penicillin
- Hans T. Clarke; John R. Johnson; Robert Robinson
- Review author[s]: Everett S. Wallis
- ----------------, p. 422
- General Endocrinology
- C. Donnell Turner
- Review author[s]: J. S. Nicholas
- ----------------, pp. 422-423
- Pathology
- W. A. D. Anderson
- Review author[s]: Pearl M. Zeek
- ----------------, p. 423
- Psychiatry in General Practice
- Melvin W. Thorner
- Review author[s]: Frank H. Luton
- ----------------, pp. 423-424
- The Aviation Psychology Program in the Army Air Forces
- John C. Flanagan
- Review author[s]: W. R. Miles
- ----------------, pp. 424-425
- General Cartography
- Erwin Raisz
- Review author[s]: Wallace W. Atwood
- ----------------, p. 425
- Sedimentary Rocks
- F. J. Pettijohn
- Review author[s]: Parker D. Trask
- ----------------, pp. 425-426
- Geology and Paleontology
- Ludwig Rüger
- Review author[s]: Frank C. Whitmore
- ----------------, p. 426
- Aquametry: Application of the Karl Fischer Reagent to Quantitative Analyses Involving Water
- John Mitchell; Donald Milton Smith
- Review author[s]: Grant Wernimont
- ----------------, pp. 426-427
- Principles of High-Polymer Theory and Practice
- Alois X. Schmidt; Charles A. Marlies
- Review author[s]: Samuel H. Maron
- ----------------, pp. 427-428
- Diagnostic Techniques for Soils and Crops: Their Value and Use in Estimating the Fertility Status of Soils and Nutritional Requirements of Crops
- Herminie Broedel Kitchen
- Review author[s]: E. R. Graham; Wm. A. Albrecht
- ----------------, p. 428
- Rings and Ideals
- Neal H. McCoy
- Review author[s]: André Weil
- ----------------, pp. 428-429
- Introduction to Applied Mathematics
- Francis D. Murnaghan
- Review author[s]: A. Weinstein
- ----------------, p. 429
- Functional Analysis and Semi-Groups
- Einar Hille
- Review author[s]: Shizuo Kakutani
- ----------------, p. 429
- Theory of Equations
- J. V. Uspensky
- Review author[s]: Garrett Birkhoff
Book Review Index, pp. 429-430
Association Affairs
- The Southwestern Division of the AAAS, p. 431
- Frank E. E. Germann
- General Program, p. 431
News and Notes, pp. 432-434
Previous Issue: New Series, Vol. 109, No. 2833, Apr. 15, 1949
Next Issue: New Series, Vol. 109, No. 2835, Apr. 29, 1949
Previous Issue: New Series, Vol. 109, No. 2834, Apr. 22, 1949
Next Issue: New Series, Vol. 109, No. 2836, May 6, 1949
The National Academy of Sciences: Abstracts of Papers Presented at the 1949 Annual Meeting, pp. 435-444
Technical Papers
- Isolation of Pituitary Follicle-Stimulating Hormone (FSH), pp. 445-446
- Choh Hao Li; Miriam E. Simpson; Herbert M. Evans
- Preliminary Report on the Circumpolar Distribution of Neoechinorhynchus rutili (Acanthocephala) in Fresh Water Fishes, p. 446
- Harley J. Van Cleave; James E. Lynch
- A Photographic Technique for the Detection of Presumptive Biochemical Mutants, pp. 446-447
- Rosa Meyersburg; Seymour Pomper; Victor M. Cutter
- Sentential and Propositional Generalizations of Salivary Conditioning to Verbal Stimuli, pp. 447-448
- Gregory Razran
- The Purification of Phenol for Paper Partition Chromatography, pp. 448-449
- O. Janet Draper; Arthur L. Pollard
- A Method of Automatic Dehydration for Histological Technique, p. 449
- Arthur K. Saiki; Robert R. Kling
Book Reviews
- ----------------, p. 450
- The Chemistry and Technology of Enzymes
- Henry Tauber
- Review author[s]: Malcolm H. Soule
- ----------------, p. 450
- Elementary Statistical Analysis
- S. S. Wilks
- Review author[s]: Thomas N. E. Greville
- ----------------, p. 450
- Introduction to Physics
- Harley Howe
- Review author[s]: Walter M. Nielsen
News and Notes, pp. 450-452
Previous Issue: New Series, Vol. 109, No. 2834, Apr. 22, 1949
Next Issue: New Series, Vol. 109, No. 2836, May 6, 1949
Previous Issue: New Series, Vol. 109, No. 2835, Apr. 29, 1949
Next Issue: New Series, Vol. 109, No. 2837, May 13, 1949
A Background for Biological Studies with Radioiodine, pp. 453-456
- William T. Salter
Standardization of Radioactive Iodine, pp. 456-461
- Sergei Feitelberg
Interstellar Polarization, Galactic Magnetic Fields, and Ferromagnetism, pp. 461-462
- Lyman Spitzer; John W. Tukey
Technical Papers
- Effect of Swine Influenza Virus on the Viscosity of the Egg-White Inhibitor of Hemagglutination, pp. 463-464
- Edward A. Eckert; Frank Lanni; Dorothy Beard; J. W. Beard
- A New Human Hereditary Blood Property (Cellano) Present in 99.8% of all Bloods, pp. 464-466
- Philip Levine; May Backer; Milton Wigod; Ruth Ponder
- A New Time Scale for Kymograph Recording, pp. 466-467
- Frederick Franz
- Induction of Cytogenetic Changes and Atypical Growth by Hexachlorocyclohexane, pp. 467-468
- Dontcho Kostoff
- Rumen Bacteria in Cobalt-Deficient Sheep, pp. 468-469
- Lorraine S. Gall; S. E. Smith; D. E. Becker; C. N. Stark; J. K. Loosli
- Spectrophotometric Determination of Amino Acids by the Ninhydrin Reaction, p. 469
- William H. Fitzpatrick
Book Reviews
- ----------------, p. 470
- The Conquest and Colonization of Yucatan, 1517-1550
- Robert S. Chamberlain
- Review author[s]: Frank C. Hibben
- ----------------, pp. 470-471
- Fatigue and Impairment in Man
- S. Howard Bartley; Eloise Chute
- Review author[s]: Josef Brožek
- ----------------, p. 471
- Scientific and Industrial Glass Blowing and Laboratory Techniques
- W. E. Barr; Victor J. Anhorn
- Review author[s]: Louis Navias
- ----------------, p. 471
- The Essentials of Organic Chemistry
- C. W. Porter; T. D. Stewart
- Review author[s]: G. B. Bachman
Association Affairs, pp. 472-473
- W. George Parks
News and Notes, pp. 473-476
Previous Issue: New Series, Vol. 109, No. 2835, Apr. 29, 1949
Next Issue: New Series, Vol. 109, No. 2837, May 13, 1949
Previous Issue: New Series, Vol. 109, No. 2836, May 6, 1949
Next Issue: New Series, Vol. 109, No. 2838, May 20, 1949
Science and Humanity, pp. 477-482
- Detlev W. Bronk
The Enzymatic Reduction of the Retinenes to the Vitamins A, pp. 482-483
- George Wald
Technical Papers
- Sympathetic Ganglion Cells in Ventral Nerve Roots. Their Relation to Sympathectomy, p. 484
- W. F. Alexander; A. Kuntz; W. P. Henderson; E. Ehrlich
- Inactivation of Enzymes by Visible Light in the Presence of Riboflavin, pp. 485-486
- Arthur W. Galston; Rosamond S. Baker
- A New Method for Isolation and Purification of Mammalian Striated Myofibrils, pp. 486-487
- Armin F. Schick; George M. Hass
- Paleocene and Eocene Strata in the Bearpaw Mountains, Montana, pp. 487-489
- Roland W. Brown; William T. Pecora
- Sex Differences in Blood Pressure of Dogs, p. 489
- Edward J. Van Liere; J. Clifford Stickney; David F. Marsh
- A Metabolism Cage for Small Animals, pp. 489-490
- B. K. Harned; Raymond W. Cunningham; Edna R. Gill
- Penicillin in Relation to Acid Production in Milk by Starter Cultures Used in Cheddar Cheesemaking, pp. 490-491
- H. Katznelson; E. G. Hood
- A Convenient and Rapid Method of Calibrating Warburg Manometers, pp. 491-492
- W. F. Loomis
- Effect of Radioactive Phosphorus (P32) in the Culture Medium on Growth and Viability of Phomopsis citri and Diplodia natalensis, pp. 492-493
- Erston V. Miller; Jerome J. Wolken
- Progesterone in Blood Plasma of Cocks and Nonovulating Hens, p. 493
- Richard M. Fraps; Charles W. Hooker; Thomas R. Forbes
Comments and Communications
- Concerning a Dog's Word Comprehension, p. 494
- Gustav Eckstein
- Interference with the Ultramicro Ascorbic Acid Method of Lowry, Lopez and Bessey, pp. 494-495
- Ruth L. Goodland; Robert R. Sealock; Nevin S. Scrimshaw; Leland C. Clark
- Aerating Liquids by Agitating on a Mechanical Shaker, pp. 495-496
- Opal B. Starks; H. Koffler
- Only Qualified Praise of Chisholm's ``Social Responsibility'', p. 496
- Otto E. Guttentag
Book Reviews
- ----------------, p. 497
- Review author[s]: H. C. Bazett
- ----------------, p. 497
- Biochemical Evolution
- Marcel Florkin
- Review author[s]: C. R. Treadwell
- ----------------, pp. 497-498
- Review author[s]: Arthur Bevan
- ----------------, p. 498
- Advances in Protein Chemistry
- M. L. Anson; John T. Edsall
- Review author[s]: Barnett Cohen
Scientific Book Register, p. 498
News and Notes, pp. 499-504
Previous Issue: New Series, Vol. 109, No. 2836, May 6, 1949
Next Issue: New Series, Vol. 109, No. 2838, May 20, 1949
Previous Issue: New Series, Vol. 109, No. 2837, May 13, 1949
Next Issue: New Series, Vol. 109, No. 2839, May 27, 1949
Science Graduate Students and Their Support, pp. 505-508
- M. H. Trytten
Chemical Induction of Colonial Paramorphs in Neurospora and Syncephalastrum, pp. 509-511
- E. L. Tatum; R. W. Barratt; V. M. Cutter
Purine Metabolism in Tetrahymena and Its Relation to Malignant Cells in Mice, pp. 511-514
- G. W. Kidder; Virginia C. Dewey; R. E. Parks; Gilbert L. Woodside
Technical Papers
- Crystalline Dihydrostreptomycin Sulfate, p. 515
- I. A. Solomons; Peter P. Regna
- Crystalline Salts of Dihydrostreptomycin, pp. 515-516
- F. J. Wolf; E. T. Elmendorf; R. G. Denkewalter; M. Tishler
- Special Sample Tray for the Continuous Gas-Flow Type Counter Tube, pp. 516-517
- G. E. Burch; J. A. Cronvich; T. Ray; P. B. Reaser; S. A. Threefoot
- Male Frogs and Toads as Test Animals for Early Pregnancy and Certain Related Conditions, pp. 517-518
- J. L. Bhaduri; N. R. Bardhan
- A Study of Native Species of Male Toads as Test Animals in the Diagnosis of Early Human Pregnancy, pp. 518-519
- Paul F. McCallin; Richard W. Whitehead
- Vacuum-Paraffin Infiltrator, p. 519
- Emerich Ehrlich
- The Effect of Supervoltage Cathode Rays on the Nonenzymatic Browning Reaction of Dried Fruits and on Chemical Compounds Pertaining Thereto, pp. 519-522
- Bernard E. Proctor; Samuel A. Goldblith
- Pyrolysis of Diphenyl Disulphide and the Formation of Free Radicals Containing Univalent Sulphur, p. 522
- A. Schönberg; Ahmed Mustafa; Wafia Askar
- Nicotinic Acid as a Growth Factor for Certain Orchid Embryos, pp. 522-523
- Richard B. Bahme
Comments and Communications
- Traveling Waves in the Brain, p. 524
- Stanford Goldman; William F. Santelmann; Weston E. Vivian; Douglas Goldman
- Louisiana Oyster Production, pp. 524-525
- Gordon Gunter
- Thiamin or Thiamine?, p. 525
- R. R. Williams
- Freezing Laboratory Materials for Plant Science, p. 525
- Gladys E. Baker
News and Notes, pp. 526-528
Previous Issue: New Series, Vol. 109, No. 2837, May 13, 1949
Next Issue: New Series, Vol. 109, No. 2839, May 27, 1949
Previous Issue: New Series, Vol. 109, No. 2838, May 20, 1949
Next Issue: New Series, Vol. 109, No. 2840, Jun. 3, 1949
The Seventh Pacific Science Congress, pp. 529-533
- Knowles A. Ryerson
Evidence for the Occurrence of Nor-Epinephrine in the Adrenal Medulla, pp. 534-535
- Marcel Goldenberg; Mogens Faber; Elizabeth J. Alston; Erwin C. Chargaff
The Separation of L-Arterenol from Natural U. S. P. Epinephrine, pp. 536-537
- B. F. Tullar
The Determination of Arterenol in Epinephrine, pp. 537-538
- M. E. Auerbach; Eleanor Angell
Technical Papers
- Inhibition of Estrogen-induced Growth in the Genital Tract of the Female Chick by a Purine Antagonist; Reversal by Adenine, p. 539
- Roy Hertz; Wm. W. Tullner
- A Capillary-Ascent Test Tube Method for Separating Amino Acids by Filter Paper Chromatography, pp. 539-540
- Louis B. Rockland; Max S. Dunn
- An Improved Apparatus and Procedure for Ascending Paper Chromatography on Large Size Filter Paper Sheets, pp. 541-543
- W. Q. Wolfson; C. Cohn; W. A. Devaney
- Electrical Still, pp. 543-544
- F. L. Kozelka
- Application of Probits to Sweet Corn Earliness Data, p. 544
- Gordon Haskell
- A Prothrombin Conversion Accelerator in Serum, p. 545
- Benjamin Alexander; Andre De Vries; Robert Goldstein; Greta Landwehr
- A Linear Diffusion Method Suitable for Large Scale Microbiological Antibiotic Assay, pp. 545-546
- W. W. Davis; T. V. Parke; W. A. Daily
- Potentiality for Testicular Recrudescence during the Annual Refractory Period of the Golden-Crowned Sparrow, p. 546
- Alden H. Miller
Comments and Communications
- Action of Coal-Tar Dyes and Related Compounds on α-Amino Acids, p. 547
- Alexander Schönberg; Radwan Moubasher
- Neurospora as an Object of Genetic Study--A Correction, pp. 547-548
- Donald P. Rogers
- Reply to D. P. Rogers, p. 548
- David M. Bonner
Scientific Book Register, p. 548
News and Notes, pp. 549-552
Previous Issue: New Series, Vol. 109, No. 2838, May 20, 1949
Next Issue: New Series, Vol. 109, No. 2840, Jun. 3, 1949
Previous Issue: New Series, Vol. 109, No. 2839, May 27, 1949
Next Issue: New Series, Vol. 109, No. 2841, Jun. 10, 1949
The Education of a Scientific Generalist, pp. 553-558
- Hendrik Bode; Frederick Mosteller; John Tukey; Charles Winsor
Photoproduction of Molecular Hydrogen by Rhodospirillum rubrum, pp. 558-559
- Howard Gest; Martin D. Kamen
Evidence for a Nitrogenase System in the Photosynthetic Bacterium Rhodospirillum rubrum, p. 560
- Martin D. Kamen; Howard Gest
A Microorganism Exhibiting a Growth Requirement for Peptides, pp. 561-562
- Sofia Simmonds; Joseph S. Fruton
Technical Papers
- Suppression of Gastric Acidity with Beta Particles of P32, pp. 563-564
- Norman Simon
- β-Glucuronidase Activity, pp. 564-565
- L. D. Odell; J. Burt; R. Bethea
- The Nature of the Pigmented Sheath in Drosophila Tumors, pp. 565-566
- Ernest W. Hartung; Mary-Garnett Tillinghast
- An Internal Geiger Counter for the Assay of Low Specific Activity Samples of Carbon 14 and Other Weak Beta Emitters in Biological Samples, pp. 566-567
- F. E. Kelsey
- Embryo Size and Productivity in Segregating Generations of Tomatoes, pp. 567-568
- R. E. Larson; Li Peng-Fi
- Hypersensitivity in Cold-Blooded Animals. II. Salamanders, pp. 568-569
- J. W. King; N. B. Dreyer
- Inactivation of Amino Acids by Autoclaving, pp. 569-571
- Robert John Evans; Helen A. Butts
- Improved Apparatus for Radiobiological Syntheses, pp. 571-572
- Clyde A. Dubbs
Comments and Communications
- Animal Experimentation in the District of Columbia, p. 573
- William F. Hewitt
- Interpretation of Lindner's Test for Plant Virus Diseases, pp. 573-574
- Sally Kelly
- Note on the Chemistry of Dramamine, p. 574
- John W. Cusic
Association Affairs
News and Notes, pp. 576-578
Previous Issue: New Series, Vol. 109, No. 2839, May 27, 1949
Next Issue: New Series, Vol. 109, No. 2841, Jun. 10, 1949
Previous Issue: New Series, Vol. 109, No. 2840, Jun. 3, 1949
Next Issue: New Series, Vol. 109, No. 2842, Jun. 17, 1949
Quantitative Relations in the Physiological Constitutions of Mammals, pp. 579-585
- E. F. Adolph
Detail and Survey Radioautographs, pp. 585-587
- Wm. Ward Wainwright
Technical Papers
- A New Group of Plant Growth Regulators, p. 588
- Otto L. Hoffmann; Allen E. Smith
- Maleic Hydrazide, a Unique Growth Regulant, pp. 588-590
- D. L. Schoene; Otto L. Hoffmann
- A Preliminary Report of the Successful Treatment of Amebiasis with Aureomycin, pp. 590-591
- L. V. McVay; R. L. Laird; D. H. Sprunt
- Studies on Arthropod Cuticle. III. The Chitin of Limulus, pp. 591-592
- A. Glenn Richards
- Temperature Measurement inside the Body Using a Thermistor, pp. 592-593
- J. M. Benjamin; Steven M. Horvath
- A Comparative Study of Oyster Condition, p. 593
- Robert M. Ingle
- Maximal Consumption of Ethyl Alcohol, pp. 594-595
- Henry W. Newman
- Preliminary Observations on the Biological Effects of Radiation on the Life Cycle of Trichinella spiralis, pp. 595-596
- Joseph E. Alicata; George O. Burr
- Effect of Temperature on the Mutual Adhesiveness of Epithelial Cells, p. 596
- Irving Zeidman
Comments and Communications
- The Electrochemical Restoration of Badly Corroded Silver-Copper Alloy Objects, p. 597
- Colin G. Fink
- A Third Record of the Whale Shark, Rhineodon typus, in the Caribbean Sea, pp. 597-598
- E. W. Gudger
- Some Current Misconceptions of N. L. Sadi Carnot's Memoir and Cycle, p. 598
- Victor K. La Mer
News and Notes, pp. 599-602
Previous Issue: New Series, Vol. 109, No. 2840, Jun. 3, 1949
Next Issue: New Series, Vol. 109, No. 2842, Jun. 17, 1949
Previous Issue: New Series, Vol. 109, No. 2841, Jun. 10, 1949
Next Issue: New Series, Vol. 109, No. 2843, Jun. 24, 1949
Front Matter, p. 617
The Committee on Inter-American Scientific Publication, pp. 603-605
- Harlow Shapley
Robert Ridgway's Color Standards, pp. 605-608
- D. H. Hamly
Technical Papers
- The Genetic Effects of Low Intensity Irradiation, pp. 609-610
- Delta E. Uphoff; Curt Stern
- An Electrical Logic Machine, pp. 610-611
- Benjamin Burack
- The Application of Soybean Inhibitor in Tissue Cultivation, pp. 611-612
- Albert Fischer
- Occurrence of Vitamin Bc Conjugase in Human Plasma, pp. 612-613
- R. Wolff; L. Drouet; R. Karlin
- The Effects of Choline and Methionine on Phospholipide Formation in Patients with Liver Disease as Measured by Radioactive Phosphorus, pp. 613-615
- David Cayer; W. E. Cornatzer
- Evidence for the Conversion of Carbon Monoxide to Carbon Dioxide by the Intact Animal, pp. 615-616
- Robert T. Clark; J. Newell Stannard; Wallace O. Fenn
Comments and Communications
- Color Standards for Biologists, p. 617
- W. E. K. Middleton
News and Notes, pp. 618-620
Previous Issue: New Series, Vol. 109, No. 2841, Jun. 10, 1949
Next Issue: New Series, Vol. 109, No. 2843, Jun. 24, 1949
Previous Issue: New Series, Vol. 109, No. 2842, Jun. 17, 1949
Next Issue: New Series, Vol. 110, No. 2844, Jul. 1, 1949
Volume Information (17 pp.)
Loyalty and Security Problems of Scientists: A Summary of Current Clearance Procedures, pp. 621-624
- Scientists' Committee on Loyalty Problems
Biological Synthesis of Radioactive Silk, pp. 624-626
- Paul C. Zamecnik; Robert B. Loftfield; Mary L. Stephenson; Carroll M. Williams
Technical Papers
- The Conversion of β-Erythroidine to Derivatives of the Desmethoxy Series and Some Pharmacological Properties of Apo-β-Erythroidine, pp. 627-628
- G. L. Sauvage; F. M. Berger; V. Boekelheide
- Surface Action in 2,4-D Sprays, pp. 628-629
- D. W. Staniforth; W. E. Loomis
- Hemolytic Disease in Newborn Dogs Following Isoimmunization of the Dam by Transfusions, pp. 630-631
- Lawrence E. Young; Donald M. Ervin; Richard M. Christian; R. Wendell Davis
- The Antithyroid Factor of Yellow Turnip, p. 631
- E. B. Astwood; Monte A. Greer; Martin G. Ettlinger
- Properties of Barium Titanate in Connection with Its Crystal Structure, pp. 632-635
- G. H. Jonker; J. H. Van Santen
Comments and Communications
- Late Pleistocene Dates Derived from Radiocarbon Assays, p. 636
- Richard Foster Flint
- A Note on Inexpensive One-Way Vision Material, p. 636
- Lawrence Joseph Stone
Book Reviews
- ----------------, p. 637
- George Ellett Coghill: Naturalist and Philosopher
- C. Judson Herrick
- Review author[s]: M. F. Ashley Montagu
- ----------------, pp. 637-638
- Science at War
- J. G. Crowther; R. Whiddington
- Review author[s]: Philip M. Morse
- ----------------, p. 638
- Blood Transfusion
- Elmer L. DeGowin; Robert C. Hardin; John B. Alsever
- Review author[s]: Louis K. Diamond
- ----------------, p. 638
- Contribution a l'Etude de la Structure Moléculaire. (Volume Commemoratif Victor Henri.)
- L. Brillouin; J. Duchesne
- Review author[s]: Harald H. Nielsen
News and Notes, pp. 639-642
Back Matter (1 p.)
Previous Issue: New Series, Vol. 109, No. 2842, Jun. 17, 1949
Next Issue: New Series, Vol. 110, No. 2844, Jul. 1, 1949
Previous Issue: New Series, Vol. 109, No. 2843, Jun. 24, 1949
Next Issue: New Series, Vol. 110, No. 2845, Jul. 8, 1949
Volume Information (2 pp.)
Front Matter, p. 22
James Rowland Angell, 1869-1949, Psychologist-Educator, pp. 1-4
- Walter Miles
Smear Preparations for the Electron Microscopy of Animal Chromosomes, pp. 5-7
- Jack Schultz; Robert C. MacDuffee; Thomas F. Anderson
Technical Papers
- Absorption of Radioactive Phosphorus by Mycorrhizal Roots of Pine, pp. 8-9
- Paul J. Kramer; Karl M. Wilbur
- A Qualitative Analysis of the Amino Acids in Royal Jelly, pp. 9-10
- John J. Pratt; Howard L. House
- The Effect of 7-Ketocholesterol on the Rabbit, p. 11
- R. H. Cox; E. Y. Spencer
- Survey of Chinese Drugs for Presence of Antibacterial Substances, pp. 11-12
- H. Zanyin Gaw; H. P. Wang
- The Harefoot Mushroom, Coprinus lagopus Fr., on Fruits Used Commercially as Seedstocks, pp. 13-14
- W. F. Crosier; S. R. Patrick; C. E. Heit; Elizabeth McSwain
- The Validity of the Use of Tracers to Follow Chemical Reactions, pp. 14-16
- Jacob Bigeleisen
- Shielding of Syringes Used for Injecting Radioactive Solutions, pp. 16-17
- H. C. Dudley; J. F. Bronson; R. O. Taylor
- Erroneous Ascorbic Acid Values Resulting from Interference by Anthocyanins, p. 17
- G. F. Somers; W. C. Kelly; E. J. Thacker; Anna May Redder
- Effect of Rutin on the Biological Potency of Vitamin C, p. 18
- E. W. Crampton; L. E. Lloyd
- Preparation and Properties of Tridecanoic Acid Containing C14 in the Carboxyl Group, p. 19
- Edward Hines; Andrew Gemant
Book Reviews
- ----------------, p. 20
- Review author[s]: Kanematsu Sugiura
- ----------------, pp. 20-21
- Human Ancestry from a Genetical Point of View
- R. Ruggles Gates
- Review author[s]: Wilton Marion Krogman
- ----------------, p. 21
- Cosmic Ray Physics
- D. J. X. Montgomery
- Review author[s]: Kenneth Greisen
- ----------------, p. 21
- The Pulsation Theory of Variable Stars
- Svein Rosseland
- Review author[s]: Martin Schwarzschild
News and Notes, pp. 23-26
Previous Issue: New Series, Vol. 109, No. 2843, Jun. 24, 1949
Next Issue: New Series, Vol. 110, No. 2845, Jul. 8, 1949
Previous Issue: New Series, Vol. 110, No. 2844, Jul. 1, 1949
Next Issue: New Series, Vol. 110, No. 2846, Jul. 15, 1949
An Institute of Microbiology--Its Aims and Purposes, pp. 27-30
- Selman A. Waksman
On the Interpretation of the Absorption of Ultraviolet Light by Cellular Nucleic Acids, pp. 31-40
- Barry Commoner
Technical Papers
- Chromosome Numbers for Two Species of Mexican Commelinaceae, p. 41
- Earlene Atchison; H. E. Moore; C. E. Wood
- The Application of the Beer-Lambert Law to Optically Anisotropic Systems, pp. 41-43
- Barry Commoner; David Lipkin
- Opalescence of Serum after Total Body X-Irradiation as a Prognostic Sign of Death, pp. 43-44
- Robert L. Rosenthal
- An Automatic Analyzer for the Study of Speech in Interaction and in Free Association, pp. 45-46
- Marcel Verzeano; Jacob E. Finesinger
- Increasing the Efficiency of the Laying Hen, pp. 46-47
- H. D. Goodale
- Low Temperature and Survival of Embryonic Tissue, pp. 47-48
- John Ferguson
Comments and Communications
- Replanting ``Discarded'' Varieties as a Means of Disease Control, p. 49
- Russell B. Stevens
- Age of Canada's Principal Gold-Producing Belt, pp. 49-50
- Patrick M. Hurley
- Some Simple Calculations Concerning the Efficiency of the Photosynthetic Mechanism, p. 50
- Pierre Van Rysselberghe
In Memoriam
- Paul Rode: 1901-1948, p. 51
- E. Raymond Hall
- William John Dann: 1904-1948, p. 51
- Philip Handler
Book Reviews
- ----------------, p. 52
- Surface Active Agents: Their Chemistry and Technology
- Anthony M. Schwartz; James W. Perry
- Review author[s]: James W. McBain
- ----------------, p. 52
- Temperature and Human Life
- C.-E. A. Winslow; L. P. Herrington
- Review author[s]: Clarence A. Mills
News and Notes, pp. 53-56
Previous Issue: New Series, Vol. 110, No. 2844, Jul. 1, 1949
Next Issue: New Series, Vol. 110, No. 2846, Jul. 15, 1949
Previous Issue: New Series, Vol. 110, No. 2845, Jul. 8, 1949
Next Issue: New Series, Vol. 110, No. 2847, Jul. 22, 1949
The Composition and Mechanism of Formation of Gastric Acid Secretion, pp. 57-63
- Franklin Hollander
The Inheritance of Sickle Cell Anemia, pp. 64-66
- James V. Neel
Technical Papers
- New Sectioning Techniques for Light and Electron Microscopy, pp. 66-68
- Sanford B. Newman; Emil Borysko; Max Swerdlow
- Protection of Lupulon and Humulon by Ascorbic Acid, pp. 68-69
- H. David Michener; A. A. Andersen
- An Unusual Lacustrine Delta, p. 70
- C. N. Savage
- Thermostable Inhibition of Bacterial Hyaluronidases by the Serum of Normal Human Beings, pp. 70-71
- Robert T. Thompson; Frances E. Moses
- Vitamin B12 and Cobalt Deficiency in Sheep, pp. 71-72
- D. E. Becker; Sedgwick E. Smith; J. K. Loosli
- Synthesis of Tris(monofluorophenyl) Methane and Tris (parafluorophenyl) Methane, pp. 72-73
- Hermann L. Karl; John R. Koch; Horst Schneider; Wm. Buth; John G. Surak
- Measuring the Thickness of Very Thin Microtome Sections, p. 73
- A. C. Fabergé
Comments and Communications
- Ground Substance of the Mesenchyme and Hyaluronidase: A Symposium, pp. 74-75
- F. Duran-Reynals; E. D. Goldsmith
Correction, p. 75
- John W. Cusic
Book Reviews
- ----------------, pp. 75-76
- Dentistry in Public Health
- Walter J. Pelton; Jacob M. Wisan
- Review author[s]: O. W. Brandhorst
- ----------------, p. 76
- Organic Syntheses
- H. R. Snyder
- Review author[s]: Everett S. Wallis
Scientific Book Register, p. 76
News and Notes, pp. 77-80
Previous Issue: New Series, Vol. 110, No. 2845, Jul. 8, 1949
Next Issue: New Series, Vol. 110, No. 2847, Jul. 22, 1949
Previous Issue: New Series, Vol. 110, No. 2846, Jul. 15, 1949
Next Issue: New Series, Vol. 110, No. 2848, Jul. 29, 1949
The Agricultural Impasse, pp. 81-86
- W. Gordon Whaley
The Significance of Meiosis in Allomyces, pp. 86-88
- Ralph Emerson; Charles M. Wilson
Technical Papers
- Nitrogen Mustard Inactivation of the Cytoplasmic Factor Kappa, in Paramecium aurelia, Variety 4, pp. 89-90
- Robert P. Geckler
- A New Method for the Study of Submicroscopic Spaces, pp. 90-91
- Ch. A. Baud; M. J. Dallemagne
- Levels of Adaptation and Brightness Changes during Color Adaptation, pp. 92-93
- Dorothea Jameson; Leo M. Hurvich
- Measurement of Ionizing Radiations in Vivo, pp. 94-95
- Benedict Cassen; Lawrence Curtis
- Concerning the Specificity of Chicken Pancreas Conjugase, p. 95
- W. Dabrowska; Anna Kazenko; M. Laskowski
- The Site of Action of Some Chemical Agents in Diminishing Normal and Excessive Muscle Tension, pp. 96-97
- Wilbur K. Smith; Philip Dodge; Charles Luttrell; Alexandra Feldmahn
Comments and Communications
- Distinction between Acetylcholine-Esterase and Other Choline Ester-Splitting Enzymes, pp. 98-99
- Klas-Bertil Augustinsson; David Nachmansohn
Book Reviews
- ----------------, p. 100
- Review author[s]: Hallam L. Movius
- ----------------, pp. 100-101
- Readings in the History of Psychology
- Wayne Dennis
- Review author[s]: W. R. Miles
- ----------------, p. 101
- Aufgabe der Psychologie: Eine Geschichte ihrer Probleme
- Paul v. Schiller
- Review author[s]: Egon Brunswik
- ----------------, p. 101
- Storia naturale del sesso
- Emanuele Padoa
- Review author[s]: Gina Castelnuovo
Scientific Book Register, p. 102
News and Notes, pp. 103-106
Previous Issue: New Series, Vol. 110, No. 2846, Jul. 15, 1949
Next Issue: New Series, Vol. 110, No. 2848, Jul. 29, 1949
Previous Issue: New Series, Vol. 110, No. 2847, Jul. 22, 1949
Next Issue: New Series, Vol. 110, No. 2849, Aug. 5, 1949
Domestic and Foreign Periodicals in the Field of Organic Chemistry: A Statistical Analysis, pp. 107-109
- F. S. Boig
Production of Radioactive Mosquitoes, pp. 109-110
- C. C. Hassett; D. W. Jenkins
Neil Elbridge Gordon: 1886-1949, pp. 110-111
- George Calingaert
William Townsend Porter: 1862-1949, pp. 111-112
- A. J. Carlson
Technical Papers
- Factors in Neonatal Resistance to Anoxia. I. Temperature and Survival of Newborn Guinea Pigs under Anoxia, pp. 113-114
- James A. Miller
- The Genera of Amoebae, pp. 114-115
- N. Andresen; H. Holter
- Separation of Chloride Group Anions by Partition Chromatography on Paper, pp. 115-116
- Michael Lederer
- 2,4-Dichlorophenoxyacetic Acid Inhibition of Castor Bean Lipase, pp. 116-117
- C. E. Hagen; C. O. Clagett; E. A. Helgeson
- A Useful Sectioning Technique, pp. 118-119
- Maxwell S. Doty
- Effect of a Folic Acid Antagonist on Hormonally Induced Changes in the Rat Prostate, pp. 119-120
- Herbert Brendler
- Metabolism of I131 in Severe Anoxic Anoxia, pp. 120-121
- L. Van Middlesworth
- The Use of Detergents for Quantitative Fat Determinations: 1. Determination of Fat in Milk, pp. 121-122
- Philip Schain
- On the Food Selectivity of Oysters, p. 122
- Victor L. Loosanoff
Comments and Communications
- Two Aspects of the Loyalty Problem, pp. 123-124
- Theodor Rosebury; Melba Phillips
- The Northern Limit of the Fauna of the African Equatorial Forest, p. 124
- Ernst Schwarz
- A Statement of the Governing Board of the A.I.B.S., pp. 124-125
- E. G. Butler; T. C. Byerly; F. P. Cullinan; W. O. Fenn; R. E. Cleland
- S. 1703 and the Antivivisectionists, pp. 125-126
- Bruce Shelly
- On the Application of Scientific Procedure to the Social Sciences, p. 126
- Frederick Romberg
Book Reviews
- ----------------, p. 127
- Our Sun
- Donald H. Menzel
- Review author[s]: Otto Struve
- ----------------, pp. 127-128
- Embryology
- Lester George Barth
- Review author[s]: Florence Moog
- ----------------, p. 128
- The Theory of Solutions of High Polymers
- A. R. Miller
- Review author[s]: H. Mark
- ----------------, pp. 128-129
- Review author[s]: Thomas K. Cureton
- ----------------, p. 129
- Fieldbook of Natural History
- E. Laurence Palmer
- Review author[s]: W. P. Taylor
- ----------------, pp. 129-130
- Theory of Oscillations
- A. A. Andronow; C. E. Chaikin
- Review author[s]: Mary L. Cartwright
- ----------------, p. 130
- Venins de serpents et antivenins
- P. Bocquet
- Review author[s]: F. Duran-Reynals
News and Notes, pp. 131-134
Previous Issue: New Series, Vol. 110, No. 2847, Jul. 22, 1949
Next Issue: New Series, Vol. 110, No. 2849, Aug. 5, 1949
Previous Issue: New Series, Vol. 110, No. 2848, Jul. 29, 1949
Next Issue: New Series, Vol. 110, No. 2850, Aug. 12, 1949
Scientists, Scientific Societies, and the Armed Forces, pp. 135-137
- Herman S. Wigodsky
Infrared Spectra of Tissues, pp. 137-138
- Elkan R. Blout; Robert C. Mellors
Technical Papers
- The Effect of Vitamin B12 Concentrate on the Growth of Weanling Pigs Fed Corn-Soybean Diets, pp. 139-140
- R. W. Luecke; W. N. McMillen; F. Thorp; Joanna R. Boniece
- A Technique for Chronic Remote Nerve Stimulation, pp. 140-141
- James M. Lafferty; John J. Farrell
- Recovery of the Virus of Eastern Equine Encephalomyelitis from Mosquitoes (Mansonia perturbans) Collected in Georgia, pp. 141-142
- B. F. Howitt; H. R. Dodge; L. K. Bishop; R. H. Gorrie
- A Convenient Microsyringe, pp. 142-143
- A. W. Woodrow
- The Caries-Producing Capacity of Starch, Glucose, and Sucrose Diets in the Syrian Hamster, pp. 143-144
- William G. Shafer
- Synthesis of Amino Acids in the Rumen, pp. 144-145
- J. K. Loosli; H. H. Williams; W. E. Thomas; Fent H. Ferris; L. A. Maynard
- Experimental Amyloidosis in the Guinea Pig, pp. 145-146
- C. L. Pirani; C. G. Bly; K. Sutherland; F. Chereso
- Radiophosphorus and Radiostrontium in Mosquitoes. Preliminary Report, pp. 146-147
- John C. Bugher; Marjorie Taylor
Comments and Communications
- On the Price of Books: A Publisher's Reply to Mr. Lowry, p. 148
- F. Ronald Mansbridge
- Precipitation Cycles, p. 148
- C. G. Abbot
- Anode-Cathode Labeling in Electrochemistry, pp. 148-149
- Paul Doigan
- Corrections, p. 149
- Joseph E. Alicata
- Corrections, p. 149
- Jacob Bigeleisen
Book Reviews
- ----------------, pp. 149-150
- Review author[s]: E. P. Wigner
News and Notes, pp. 151-154
Previous Issue: New Series, Vol. 110, No. 2848, Jul. 29, 1949
Next Issue: New Series, Vol. 110, No. 2850, Aug. 12, 1949
Previous Issue: New Series, Vol. 110, No. 2849, Aug. 5, 1949
Next Issue: New Series, Vol. 110, No. 2851, Aug. 19, 1949
Front Matter, p. 172
New Screw Thread Standards, pp. 155-159
- E. G. Wertheimer
Solar Eruption of May 10, 1949, pp. 159-161
- A. H. Shapley; R. M. Davis
Technical Papers
- Low Temperature Studies with Colloidal Silicic Acid, pp. 161-162
- Fred Hazel; J. A. Parker; Edgar Schipper
- Antithiamine Effect of Oxythiamine and Neopyrithiamine. A Comparative Study, p. 162
- Albert J. Eusebi; Leopold R. Cerecedo
- Mechanical Transmission of a Plant Tumor Virus to an Insect Vector, pp. 162-163
- Karl Maramorosch; M. K. Brakke; L. M. Black
- The Chromatographic Estimation of Lysine and Some Applications of the Method, pp. 163-164
- Anthony A. Albanese; Marilyn Lein
- Quantitative Study of Root Systems in Different Soil Types, pp. 164-165
- J. E. Weaver; R. W. Darland
- A Simple Micromanipulator, pp. 165-166
- Gunnar Nygaard
- Pterin-Like Pigment Derived from the Tubercle Bacillus. Fluorescence and Absorption Spectral Data for Erythropterin-Like Pigment Isolated by Ultrachromatographic Analysis, pp. 166-168
- M. O'L. Crowe; A. Walker
- Serum Lipase and Alloxan Diabetes in Rats, p. 168
- Jules Tuba; Robert Hoare
- Growth-Regulating Substances in Laminaria agardhii, p. 169
- Louis G. Williams
Comments and Communications
- Dramamine and Motion Sickness, p. 170
- David B. Tyler
- In Criticism of Chisholm's ``Social Responsibility'', pp. 170-171
- Alden Potter
Association Affairs, pp. 171-172
- Robert C. Miller
News and Notes, pp. 173-176
Previous Issue: New Series, Vol. 110, No. 2849, Aug. 5, 1949
Next Issue: New Series, Vol. 110, No. 2851, Aug. 19, 1949
Previous Issue: New Series, Vol. 110, No. 2850, Aug. 12, 1949
Next Issue: New Series, Vol. 110, No. 2852, Aug. 26, 1949
Civil Liberties of Scientists, pp. 177-179
Challenge to Social Science, pp. 179-183
- Bruce Stewart
Technical Papers
- Hemagglutinating Behavior of Mouse and Egg-Adapted Type A (PR8) Influenza Virus, p. 184
- Seymour S. Kalter
- Cytological Evidence Opposing the Theory of Brachymeiosis in the Ascomycetes, p. 185
- Lindsay S. Olive
- Inability of Thymine and Adenine to Substitute for Pteroylglutamic Acid in the Folic Acid-Deficient Rat, pp. 185-186
- H. G. Petering; R. A. Delor
- Use of Silicones in Aerobiology, p. 187
- S. M. Pady; C. D. Kelly
- Relation of Surface Phagocytosis to the Fibrinous Character of Acute Bacterial Exudates, pp. 187-188
- Mary Ruth Smith; W. Barry Wood
- A Method for Preventing Moisture Condensation during Photography of Tissue Cultures in Hanging Drops, pp. 188-189
- Mary J. Hogue
- Enzymatic Decomposition of Lignin, pp. 189-190
- Sidney Gottlieb; Jerry H. Geller
- The Hemostatic Activity of Amniotic Fluid, pp. 190-191
- Albert E. Weiner; Duncan E. Reid; Charles C. Roby
Comments and Communications
- The AEC Loyalty Oath, pp. 191-192
- Marshall H. Stone
- Method for Supplying a Laboratory with Warm Sea Water in Winter, pp. 192-193
- Victor L. Loosanoff
- Toxicity and the Chemical Properties of Ions, pp. 193-196
- William Seifriz
News and Notes, pp. 197-200
Previous Issue: New Series, Vol. 110, No. 2850, Aug. 12, 1949
Next Issue: New Series, Vol. 110, No. 2852, Aug. 26, 1949
Previous Issue: New Series, Vol. 110, No. 2851, Aug. 19, 1949
Next Issue: New Series, Vol. 110, No. 2853, Sep. 2, 1949
Selection and Eugenics, pp. 201-208
- Curt Stern
Research Publication: A Federal Responsibility?, pp. 209-212
- Marion A. Jurgens
Technical Papers
- Cysteine Protection against X Irradiation, pp. 213-214
- H. M. Patt; E. B. Tyree; R. L. Straube; D. E. Smith
- Humidifying Apparatus for Small Test Rooms, pp. 214-215
- Theodore C. Scheffer; Oscar W. Torgeson
- Treatment of Nausea and Vomiting of Pregnancy with Dramamine--Preliminary Report, pp. 215-216
- Paul E. Carliner; H. Melvin Radman; Leslie N. Gay
- Plasma and Liver Protein Levels in Rats Fed the Carcinogen 2-Acetylaminofluorene, pp. 216-217
- James H. Leathem
- Correlation of Browning, Fluorescence, and Amino Nitrogen Change with Destruction of Methionine by Autoclaving with Glucose, pp. 217-218
- W. D. Graham; Peng Yung Hsu; James McGinnis
Comments and Communications
- Characteristics of Some Disease-Free Ornamental Plants, pp. 218-219
- Neil E. Stevens
Association Affairs, p. 220
News and Notes, pp. 221-224
Previous Issue: New Series, Vol. 110, No. 2851, Aug. 19, 1949
Next Issue: New Series, Vol. 110, No. 2853, Sep. 2, 1949
Previous Issue: New Series, Vol. 110, No. 2852, Aug. 26, 1949
Next Issue: New Series, Vol. 110, No. 2854, Sep. 9, 1949
Front Matter, p. 240
The Maximum Efficiency of Photosynthesis: A Rediscovery, pp. 225-229
- Dean Burk; Sterling Hendricks; Mitchell Korzenovsky; Victor Schocken; Otto Warburg
Scientific and Industrial Research in Britain, pp. 230-231
- A. S. W. Haslett
Technical Papers
- Qualitative Differences of Malignant Tissue, pp. 231-232
- N. Waterman; L. C. Ebeling
- A One- and Two-Dimensional Paper-Partition Chromatographic Apparatus, pp. 232-233
- Roberta M. Ma; Thomas D. Fontaine
- Note on an Index of Conformity, pp. 233-235
- Stuart C. Dodd
- Histological Effects of Treatments with Growth-Regulating Substances of the 2,4-D Group, pp. 235-236
- Arthur J. Eames
- Increased Permeability of the Hemoencephalic Barrier Produced by Physostigmine and Acetylcholine, p. 237
- Margaret E. Greig; William C. Holland
- Dispersion Staining with Phase Contrast Microscope Accessories. The Microscopic Identification of Quartz, pp. 237-238
- Germain C. Crossmon
Book Reviews
- ----------------, p. 239
- Introduction to Historical Geology
- Raymond Cecil Moore
- Review author[s]: J. J. Galloway
- ----------------, p. 239
- Review author[s]: H. Mark
- ----------------, pp. 239-240
- Review author[s]: Karl Lark-Horovitz
- ----------------, p. 240
- Advances in Catalysis and Related Subjects
- W. G. Frankenburg; V. I. Komarewsky; E. K. Rideal
- Review author[s]: Henry Eyring
- ----------------, p. 240
- Detailed Atlas of the Head and Neck
- Raymond C. Truex; Carl E. Kellner
- Review author[s]: John J. Sheinin
News and Notes, pp. 241-244
Correction, p. 244
Previous Issue: New Series, Vol. 110, No. 2852, Aug. 26, 1949
Next Issue: New Series, Vol. 110, No. 2854, Sep. 9, 1949
Previous Issue: New Series, Vol. 110, No. 2853, Sep. 2, 1949
Next Issue: New Series, Vol. 110, No. 2855, Sep. 16, 1949
Front Matter, p. 262
The Concept of Action as a Measure of Living Phenomena, pp. 245-252
- Martin Ruderfer
Technical Papers
- Plant Growth-Regulating Properties of Some Nicotinium Compounds, pp. 252-254
- John W. Mitchell; J. W. Wirwille; Leopold Weil
- Conduction in Photoconductive PbS Films, pp. 254-256
- Hubert M. James
- On the Direct Fermentation of Maltose, p. 256
- Michael J. Pelczar; Raymond N. Doetsch
- Thymidine and Vitamin B12, pp. 257-258
- Marjory H. Wright
- Partition Chromatography of Anthocyanidins, p. 258
- Earl C. Spaeth; David H. Rosenblatt
- A Simple Double-Surface Dialyzing Membrane, p. 259
- L. M. Wentzel; M. Sterne
- Increased Radioresistance of Red Bone Marrow after Anoxia, pp. 259-260
- Jerome A. Schack; Robert C. MacDuffee
Comments and Communications
- The System of Stable Nuclei, pp. 260-261
- A. H. W. Aten
- a-Naphthaflavone as an Indicator in Iodometry, p. 262
- Louis Gershenfeld; Bernard Witlin
Erratum, p. 262
- William Seifriz
News and Notes, pp. 263-266
Previous Issue: New Series, Vol. 110, No. 2853, Sep. 2, 1949
Next Issue: New Series, Vol. 110, No. 2855, Sep. 16, 1949
Previous Issue: New Series, Vol. 110, No. 2854, Sep. 9, 1949
Next Issue: New Series, Vol. 110, No. 2856, Sep. 23, 1949
Temperature Dominance over Human Life, pp. 267-271
- Clarence A. Mills
Evidences of Associative Interference in Psychomotor Performance, pp. 271-273
- Don Lewis; Alfred H. Shephard; Jack A. Adams
Technical Papers
- Ultraviolet Action Spectrum of T1 Bacteriophage, pp. 274-275
- Donald J. Fluke; Ernest C. Pollard
- Lysis of Formalinized Bacteria by Bacteriophage, pp. 275-276
- L. W. Labaw; V. M. Mosley; Ralph W. G. Wyckoff
- Granulosis Disease in the Buckeye Caterpillar, Junonia coenia Hübner, pp. 276-278
- Edward A. Steinhaus; Clarence G. Thompson
- A Filter Paper ``Chromatopile'', pp. 278-279
- Herschel K. Mitchell; Francis A. Haskins
- Tryptophane as an Intermediate in the Synthesis of Nicotinic Acid by Green Plants, pp. 279-280
- F. G. Gustafson
- Relation of Sporadic E Reflection and Meteoric Ionization, pp. 280-283
- V. C. Pineo
Comments and Communications
- The Betatron Building and Installation at the University of Saskatchewan, pp. 283-285
- E. L. Harrington; R. N. H. Haslam; H. E. Johns; L. Katz
- Note on the Origin of Cosmic Rays, pp. 285-286
- D. ter Haar
News and Notes, pp. 287-290
Previous Issue: New Series, Vol. 110, No. 2854, Sep. 9, 1949
Next Issue: New Series, Vol. 110, No. 2856, Sep. 23, 1949
Previous Issue: New Series, Vol. 110, No. 2855, Sep. 16, 1949
Next Issue: New Series, Vol. 110, No. 2857, Sep. 30, 1949
Front Matter, p. 313
Structure and Dynamics of the Thunderstorm, pp. 291-294
- Horace R. Byers
A Method for Estimating Volume-Surface Ratios, pp. 295-298
- Harold W. Chalkley; Jerome Cornfield; Helen Park
An Interpretation of the Cause of Water-Repellent Sandy Soils Found in Citrus Groves of Central Florida, pp. 299-300
- I. W. Wander
Near Infrared Absorption Spectra of Uracil, 5-Chlorouracil, and Thymine, pp. 300-301
- J. R. Lacher; D. E. Campion; J. D. Park
Experimental Mixed Infection of Mice with Lansing Poliomyelitis Virus and Western Equine Encephalomyelitis Virus, pp. 301-302
- Fred W. Gallagher
Thyroid Destruction by I131, and Replacement Therapy, pp. 302-304
- C. F. Winchester; C. L. Comar; George K. Davis
Microcrystallographic Data on Sodium-D-Glutamate (Monosodium Glutamate), pp. 304-305
- George L. Keenan
Aureomycin and Blood Coagulation, pp. 305-306
- David I. Macht; Robert Farkas
Body Retention of Carbon 14 from Labeled Sodium Bicarbonate, pp. 306-307
- Howard E. Skipper; Locke White; Carl E. Bryan
Action of the Venom of Bothrops Atrox on Fibrinogen, p. 307
- B. Janszky
Comments and Communications
- Welding Thermocouples, p. 308
- Joseph T. Hogan
- International Polar Year of 1932-1933, pp. 308-309
- Temporary Commission on Liquidation of Polar Year 1932-33
- Correction, p. 310
- Frank J. Wolf; Eleanor T. Elmendorf; Robert G. Denkewalter; Max Tishler
- The Zoological Station of Naples, p. 310
- G. Montalenti
- Oxidation Vs. Reduction of an α-Amino Acid, p. 310
- Leroy H. Klemm
Book Reviews
- ----------------, p. 311
- Traité de Zoologie: Anatomie, Systématique, Biologie: Échinodermes, Stomocordés, Procordés
- Pierre-P. Grassé
- Review author[s]: F. G. Walton Smith
- ----------------, pp. 311-312
- Review author[s]: Victor Guillemin
- ----------------, p. 312
- Syphilis: Its Course and Management
- Evan W. Thomas
- Review author[s]: Francis W. Lynch
- ----------------, pp. 312-313
- Physics: Principles and Applications
- Henry Margenau; William W. Watson; Carol G. Montgomery
- Review author[s]: Vivian A. Johnson
- ----------------, p. 313
- Historical Geology
- Carl O. Dunbar
- Review author[s]: J. J. Galloway
News and Notes, pp. 314-318
Previous Issue: New Series, Vol. 110, No. 2855, Sep. 16, 1949
Next Issue: New Series, Vol. 110, No. 2857, Sep. 30, 1949
Previous Issue: New Series, Vol. 110, No. 2856, Sep. 23, 1949
Next Issue: New Series, Vol. 110, No. 2858, Oct. 7, 1949
The Meaning and Limits of Exact Science, pp. 319-327
- Max Planck
Technical Papers
- Preparation of Radioautographs of Tissues without Loss of Water-Soluble P32, pp. 328-329
- Margaret W. Holt; Russell F. Cowing; Shields Warren
- On the Relationship of Blood Group A to Rh Immunization and the Occurrence of Hemolytic Disease of the Newborn, pp. 329-330
- S. P. Lucia; Marjorie L. Hunt; John C. Talbot
- Strontianite and Witherite Associated with Southern Illinois Fluorite, p. 331
- O. R. Grawe; M. P. Nackowski
- Grignard Coupling at High Temperatures, p. 332
- Amos Turk; Marvin P. Zimmerman; Robert Mavis
- The Preparation of Formaldehyde-C14, p. 332
- A. Russell Jones; Walter J. Skraba
- Determination of the Fate of Calcium in the Laying Hen by means of Radiocalcium (Ca45), pp. 332-333
- J. W. T. Spinks; M. R. Berlie; J. B. O'Neil
- Serologic Relationships of Mumps and Newcastle Disease, pp. 333-334
- Erwin Jungherr; Roy E. Luginbuhl; Lawrence Kilham
Comments and Communications
- Method for Isolation of Actinomyces israeli from Dento-Bacterial Plaque, pp. 334-335
- J. Ennever; Hamilton B. G. Robinson; Paul C. Kitchin
- Statement on Visa Action, p. 335
- M. Demerec
News and Notes, pp. 335-338
Previous Issue: New Series, Vol. 110, No. 2856, Sep. 23, 1949
Next Issue: New Series, Vol. 110, No. 2858, Oct. 7, 1949
Previous Issue: New Series, Vol. 110, No. 2857, Sep. 30, 1949
Next Issue: New Series, Vol. 110, No. 2859, Oct. 14, 1949
Is There a Science of Instrumentation?, pp. 339-342
- E. U. Condon
Operational Aspects of Instrument Design, pp. 343-346
- Churchill Eisenhart
Reports of Meetings on Instrumentation, pp. 347-353+383
Summaries of Selected Papers Presented at the 1949 National Instrument Conference
- A Mass Spectrometer for Isotope Ratio Determinations, pp. 354-355
- H. F. Wiley
- The Photographic Plate as an Instrument in Nuclear Research Autoradiography and Radiation Monitoring, pp. 355-356
- J. H. Webb
- Industrial Radar for Hurricane Tracking, pp. 357-360
- W. F. Gerdes; R. C. Jorgensen
- Cosmic Ray Instrumentation, pp. 360-361
- R. D. Sard
- Dynamic Accuracy in Temperature Measurement, pp. 361-363
- J. G. Ziegler; N. B. Nichols
- Velocity and Flow Measurements with an Improved Thermal Instrument, p. 363
- C. E. Hastings
- Light Rays Can Be Tools, pp. 364-365
- A. R. Fultz
- The Differential Transformer as Applied to Instrumentation, pp. 365-368
- W. D. Macgeorge
Summaries of Selected Papers on Instrumentation Presented at the 1949 Gordon Research Conferences
- X-Ray Powder Diffraction Analysis Film and Geiger Counter Techniques, pp. 368-371
- William Parrish
- Two Radioactive Methods for Studying Certain Gas-Metal Reactions, pp. 371-372
- Clifford K. Beck
- Instrumental Methods of Studying Some Properties of Aerosols, pp. 372-374
- Frank T. Gucker
- A Contact Modulated Amplifier and Some of Its Laboratory Uses, pp. 374-375
- Joseph F. Lash
Technical Papers
- Radiation Survey of X-Ray Output of an Electron Microscope from Personnel Hazard Viewpoint, pp. 376-377
- Louis B. Silverman; Sylvia B. Elliott; M. A. Greenfield
- Airborne Magnetometer for Measuring the Earth's Magnetic Vector, pp. 377-378
- E. O. Schonstedt; H. R. Irons
- Avoiding Trial-And-Error in Inframicroscopic Photography, pp. 378-379
- E. Ross Jenney
- Improvements in the Making of Special Photographic Emulsions for Nuclear Physics, p. 380
- Pierre Demers
- Sensitivity of Gamma-Ray Counters, pp. 380-382
- Gerald J. Hine
- Adapter for Visual Monitoring with Portable Geiger-Müller Equipment, pp. 382-383
- Howard T. Blinn; Russell F. Cowing; Charles K. Spalding
News and Notes, pp. 384-386
Previous Issue: New Series, Vol. 110, No. 2857, Sep. 30, 1949
Next Issue: New Series, Vol. 110, No. 2859, Oct. 14, 1949
Previous Issue: New Series, Vol. 110, No. 2858, Oct. 7, 1949
Next Issue: New Series, Vol. 110, No. 2860, Oct. 21, 1949
Chromatography: A Perspective, pp. 387-392
- James E. Meinhard
Technical Papers
- The Proteins of Mammalian Spermatozoa and Cellular Nuclei, pp. 393-394
- Lloyd E. Thomas; Dennis T. Mayer
- A Possible Standard for Radioiodine, pp. 394-395
- A. H. W. Aten
- The Inhibition of the Cholinesterase Activity of Human Blood Plasma by Neutral Phosphate Esters. II: Studies with Hexa 1-C14-Ethyl Tetrapolyphosphate, pp. 395-396
- Ralph W. Brauer; Rita L. Pessotti
- Iron Metabolism. Heme Synthesis in vitro by Immature Erythrocytes, pp. 396-398
- R. J. Walsh; E. D. Thomas; S. K. Chow; R. G. Fluharty; C. A. Finch
- Freezing of Whole Blood, pp. 398-400
- Max M. Strumia
- A ``Free Manometer'' Method of Using the Standard Warburg Apparatus, p. 400
- Avram Goldstein
- A Method of Optically Recording Contractions and Electrocardiograms from Isolated Frog Hearts, p. 401
- F. D. McCrea; Sydney Ellis
- Hydrolysis of Adenosine Triphosphate by Trichloracetic Acid, p. 402
- Adolph Bernhard; Louis Rosenbloom
- Differentiation of Aragonite from Calcite by Differential Thermal Analysis, pp. 402-403
- George T. Faust
Comments and Communications
- The Preparation of Graphs for Publication, p. 403
- James S. Gutsell
- Use of Omental Spread in Biological and Pathological Studies, p. 403
- C. Eugene Woodruff
- Calibration of Warburg Manometers, pp. 403-404
- R. E. Maxwell
- Correction, p. 404
- George L. Keenan
- Oral Stress and Meaning in Printed Material, p. 404
- W. F. Dearborn; P. W. Johnston; L. Carmichael
Book Reviews
- ----------------, p. 405
- Solid Analytic Geometry
- Adrian Albert
- Review author[s]: C. C. MacDuffee
- ----------------, p. 405
- Lehrbuch der Embryologie
- Walter Brandt
- Review author[s]: Viktor Hamburger
- ----------------, pp. 405-406
- Die Optik in der Feinmesstechnik
- Kurt Räntsch
- Review author[s]: A. F. Turner
- ----------------, p. 406
- Trace Elements in Food
- G. W. Monier-Williams
- Review author[s]: E. F. Kohman
News and Notes, pp. 407-410
Previous Issue: New Series, Vol. 110, No. 2858, Oct. 7, 1949
Next Issue: New Series, Vol. 110, No. 2860, Oct. 21, 1949
Previous Issue: New Series, Vol. 110, No. 2859, Oct. 14, 1949
Next Issue: New Series, Vol. 110, No. 2861, Oct. 28, 1949
Front Matter, p. 432
Attacks on Muscle, pp. 411-413
- A. Szent-Györgyi
The Cortical Correlate of Pattern Vision, pp. 414-419
- Wolfgang Köhler; Richard Held
Technical Papers
- The Mutagenic Mode of Action of Formalin, pp. 419-420
- C. Auerbach
- Inhibition of Phosphatases by Beryllium and Antagonism of the Inhibition by Manganese, pp. 420-422
- Kenneth P. DuBois; Kenneth W. Cochran; Marcella Mazur
- The Skin Temperature of an Extremity as a Measure of Its Blood Flow, pp. 422-423
- E. S. Fetcher; John F. Hall; Howard G. Shaub
- The Action of Penicillin on Bacillus subtilis Growing in the Absence of Amino Acids, pp. 423-425
- T. H. Hunter; Kathryn T. Baker
- A Source of Error in Tracer Experiments with P32, p. 425
- B. A. Rubin
- Free Amino Acids and Peptides in Frog Embryos, pp. 425-426
- Chao-t'e Li; Eugene Roberts
- The Interaction of Antimalarials with Nucleic Acids: I. Acridines: II. Quinolines, pp. 426-428
- J. Logan Irvin; Elinor Moore Irvin; Frank S. Parker
- A Rationale for Plasma Therapy in Poliomyelitis, pp. 428-429
- Robert M. Eaton; Albert G. Bower
- A Photoelectric Microdensitometer, pp. 429-430
- M. A. Lessler; H. A. Charipper
- Remote Pipetting Apparatus for Dispensing Solutions of Radioisotopes, pp. 431-432
- Manuel Tubis; Claire Doan; Raymond L. Libby
News and Notes, pp. 433-436
Previous Issue: New Series, Vol. 110, No. 2859, Oct. 14, 1949
Next Issue: New Series, Vol. 110, No. 2861, Oct. 28, 1949
Previous Issue: New Series, Vol. 110, No. 2860, Oct. 21, 1949
Next Issue: New Series, Vol. 110, No. 2862, Nov. 4, 1949
The National Academy of Sciences: Abstracts of Papers Presented at the 1949 Autumn Meeting, Rochester, New York, pp. 437-446
Technical Papers
- General Method for Paper Chromatographic Analysis of Reducing and Nonreducing Carbohydrates and Derivatives, pp. 446-447
- E. Pacsu; T. P. Mora; P. W. Kent
- Paper Chromatography of Proteins and Enzymes, pp. 447-451
- A. E. Franklin; J. H. Quastel
- Tetrazolium Chloride as a Test for Damage in Artificially Cured Peanuts, pp. 451-452
- H. E. Brewer
- Radioiodine and Paper Chromatography Technique in the Study of Thyroid Metabolism, pp. 452-454
- Garson H. Tishkoff; Robert Bennett; Vera Bennett; Leon L. Miller
- The Effects of Antagonists on the Multiplication of Vaccinia Virus in vitro, p. 454
- Randall L. Thompson; Marian L. Wilkin; George H. Hitchings; Gertrude B. Elion; Elvira A. Falco; Peter B. Russell
Book Reviews
- ----------------, p. 455
- Philosophy of Mathematics and Natural Sciences
- Hermann Weyl
- Review author[s]: Henry Margenau
- ----------------, pp. 455-456
- History of the Primates: An Introduction to the Study of Fossil Man
- W. E. Le Gros Clark
- Review author[s]: George Gaylord Simpson
- ----------------, p. 456
- Elmtown's Youth: The Impact of Social Classes on Adolescents
- August B. Hollingshead
- Social Class in America: A Manual for the Measurement of Social Status
- W. Lloyd Warner; Marchia Meeker; Kenneth Eells
- Review author[s]: Helen M. Wolfle
News and Notes, pp. 457-460
Previous Issue: New Series, Vol. 110, No. 2860, Oct. 21, 1949
Next Issue: New Series, Vol. 110, No. 2862, Nov. 4, 1949
Previous Issue: New Series, Vol. 110, No. 2861, Oct. 28, 1949
Next Issue: New Series, Vol. 110, No. 2863, Nov. 11, 1949
Psychology and Scientific Research. I. The Nature of Scientific Inquiry, pp. 461-464
- Hadley Cantril; Adelbert Ames; Albert H. Hastorf; William H. Ittelson
The MIT International Conference on the Physics of Very Low Temperatures, September 6-10, 1949, pp. 465-467
- John C. Slater
Nancy Colloquium on the Mechanism of Carbon Combustion, September 27-30, 1949, pp. 468-469
- Lothar Meyer
Symposium on Brucellosis, September 22-23, 1949, pp. 469+485
- James T. Culbertson
Technical Papers
- The Liver Cord Concept after One Hundred Years, pp. 470-472
- Hans Elias
- Perchloric Acid in the Cytochemistry of Pentose Nucleic Acid, pp. 472-473
- Ralph O. Erickson; Katharine B. Sax; Maurice Ogur
- Molecular Rearrangements in the Sterols V. The Mechanism of Formation of i-Cholesterol, pp. 474-476
- Mostafa M. Hafez; George Halsey; Everett S. Wallis
- Degradation of Glucose-1-C14 and a Possible New Step in the Mechanism of Fermentation, pp. 476-477
- S. Aronoff; V. A. Haas; B. Fries
- Diurnal Responsiveness of Erysiphe graminis to Nutrients, pp. 477-478
- C. E. Yarwood; Morris Cohen
- A New Method for the Study in vitro of Rumen Digestion, pp. 478-480
- J. G. Louw; Harold H. Williams; L. A. Maynard
- A Simple Universal Dairy Products Phosphatase Test, pp. 480-481
- Frank V. Kosikowsky
Comments and Communications
- Electronic Enhancement of X-Ray Film Contrast, p. 481
- John S. Garvin; Craig W. Goodwin
- The High School Biology Teacher, pp. 481-482
- Zachariah Subarsky
- Correction, p. 482
- Bruno Rossi
- Psilotum Gametophytes Matured under Greenhouse Conditions from Self-Sown Spores, p. 482
- M. F. Moseley; Bessie C. Zimmerly
- Rainfall of Fish, p. 482
- J. Hedgepath
Book Reviews
- ----------------, p. 483
- Unitary Principle in Physics and Biology
- Lancelot Law Whyte
- Review author[s]: George Gamow
- ----------------, pp. 483-484
- Factors of Evolution: The Theory of Stabilizing Selection
- I. I. Schmalhausen
- Review author[s]: Herman Slatis
- ----------------, p. 484
- Review author[s]: Ernest Nagel
- ----------------, p. 484
- Atmospheric Electricity
- J. Alan Chalmers
- Review author[s]: Victor F. Hess
Association Affairs
- The December Meeting, pp. 486-487
News and Notes, pp. 487-490
Previous Issue: New Series, Vol. 110, No. 2861, Oct. 28, 1949
Next Issue: New Series, Vol. 110, No. 2863, Nov. 11, 1949
Previous Issue: New Series, Vol. 110, No. 2862, Nov. 4, 1949
Next Issue: New Series, Vol. 110, No. 2864, Nov. 18, 1949
Front Matter, p. 513
Psychology and Scientific Research. II. Scientific Inquiry and Scientific Method, pp. 491-497
- Hadley Cantril; Adelbert Ames; Albert H. Hastorf; William H. Ittelson
Frederick Gardner Cottrell: 1877-1948, pp. 497-498
- Farrington Daniels
Technical Papers
- Culture of Fruits in vitro, p. 499
- J. P. Nitsch
- Separating Frequency Distributions into Two Normal Components, pp. 500-501
- Arnold Court
- Combination of Tissues from Different Species in Flask Cultures, pp. 501-503
- Clifford Grobstein; J. S. Youngner
- Transphosphorylation by Alkaline Phosphatase in the Absence of Nucleotides, pp. 503-504
- Otto Meyerhof; Harry Green
- Hatching Eggs of Floodwater Mosquitoes in Media that Promote Plant Growth, pp. 504-506
- William R. Horsfall
- A New Apparatus for Recording of Ecologic and Climatic Factors, Especially Temperature, pp. 506-507
- Eilif Dahl
- Cup Assay with Vitamin B12 as a Standard, pp. 507-509
- John C. Foster; John A. Lally; H. Boyd Woodruff
- Aureomycin in the Cultivation of Endamoeba histolytica, pp. 509-510
- Frances W. Fuller; Ernest Carroll Faust
Comments and Communications
- The Structure and Activity Relationships of the Choline Group of Drugs Determined by Measurements of Phase-Boundary Potential, p. 511
- T. Cunliffe Barnes; R. Beutner
- Geological Applications of Short Range, Two-Way Radio Sets, pp. 511-512
- Grover E. Murray
- Longevity of the Tropical American Toad, Bufo marinus L., p. 512
- C. E. Pemberton
- Some Problems in Sensory Prosynthesis, p. 512
- J. Wiesner; N. Wiener; L. Levine
News and Notes, pp. 513-516
Previous Issue: New Series, Vol. 110, No. 2862, Nov. 4, 1949
Next Issue: New Series, Vol. 110, No. 2864, Nov. 18, 1949
Previous Issue: New Series, Vol. 110, No. 2863, Nov. 11, 1949
Next Issue: New Series, Vol. 110, No. 2865, Nov. 25, 1949
Front Matter, p. 535
Psychology and Scientific Research. III. The Transactional View in Psychological Research, pp. 517-522
- Hadley Cantril; Adelbert Ames; Albert H. Hastorf; William H. Ittelson
The 112th Annual Meeting of the British Association for the Advancement of Science, pp. 522-525
- Maurice Goldsmith
Technical Papers
- A Reversible Photochemical Alteration of Uracil and Uridine, pp. 525-526
- Robert L. Sinsheimer; Ruth Hastings
- A Polarographic Determination of Digitoxin, pp. 526-527
- James G. Hilton
- Effect of Sulfadiazine on Survival of the Mammalian Embryo, pp. 527-528
- Allan D. Bass; Chester L. Yntema; Warner S. Hammond
- Enzymatic Reduction of 2,4-Diketo Acids Catalyzed by Dihydrodiphosphopyridine Nucleotide, p. 528
- Alton Meister
- A Convenient Quick Method of Obtaining Vitamin B12 Concentrate, pp. 528-529
- Henry Borsook; Clara L. Deasy; A. J. Haagen-Smit; Geoffrey Keighley; Peter H. Lowy
- Fat Absorption and Atherosclerosis, pp. 529-530
- G. H. Becker; Jacob Meyer; H. Necheles
- A Vibrating Tissue Slicer, pp. 530-531
- Samuel P. Bessman
- The Chemical Nature of a Factor in Hog Stomach Extracts that Reduces the Creatinuria of Muscular Dystrophy, pp. 531-532
- Stanley Ulick; A. T. Milhorat
- Taste Blindness to Phenyl-Thio-Carbamide as a Function of Saliva, pp. 532-533
- Jozef Cohen; Donald P. Ogdon
- Sex Influence on Embryonic Death Rate in Chicks, p. 533
- F. A. Hays
Book Reviews
- ----------------, p. 534
- Pharmacology and Toxicology of Uranium Compounds: With a Section on the Pharmacology and Toxicology of Fluorine and Hydrogen Fluoride
- Carl Voegtlin; Harold C. Hodge
- Review author[s]: Albert Tannenbaum
- ----------------, p. 534
- Physikalische Chemie in Medizin und Biologie
- W. Bladergroen
- Review author[s]: Eric G. Ball
The New York Meeting, AAAS, pp. 536-539
News and Notes, pp. 539-542
Previous Issue: New Series, Vol. 110, No. 2863, Nov. 11, 1949
Next Issue: New Series, Vol. 110, No. 2865, Nov. 25, 1949
Previous Issue: New Series, Vol. 110, No. 2864, Nov. 18, 1949
Next Issue: New Series, Vol. 110, No. 2866, Dec. 2, 1949
Sickle Cell Anemia, a Molecular Disease, pp. 543-548
- Linus Pauling; Harvey A. Itano; S. J. Singer; Ibert C. Wells
The American Philosophical Society: Abstracts of Papers Presented at the 1949 Autumn Meeting, Philadelphia, Pennsylvania, pp. 548-552
Technical Papers
- Mutual Interaction of Polyelectrolytes, pp. 552-554
- Raymond M. Fuoss; Hussein Sadek
- Is Chloride a Coenzyme of Photosynthesis?, pp. 554-556
- Daniel I. Arnon; F. R. Whatley
- The Action of Mineral-Ion Exchange Resins on Certain Milk Constituents, pp. 556-558
- C. W. Gehrke; E. F. Almy
- The ΔG/Δ P Ratio after the Administration of Dextrose as an Index of Insular Function, pp. 558-559
- Francisco De Venanzi
- Amino Acids in the Mitochondrial Fractions of Tissues as Determined by Paper Partition Chromatography, pp. 559-560
- Chao-t'e Li; Eugene Roberts
- On the Participation of the Reticuloendothelial System in the Alarm Reaction, pp. 560-561
- P. S. Timiras; H. Selye
- Colorimetric Estimation of Noradrenalin in the Presence of Adrenalin, p. 561
- U. S. Von Euler; Ulla Hamberg
- Syntheses of Isotopically Labeled 2,4-Dichlorophenoxyacetic Acid (2,4-D) and Derivatives, p. 562
- Henry R. Mahler; R. J. Speer; Ammarette Roberts
- Synergism of Thromboplastic Extracts: Synergistic Activity of Rabbit Lung and Brain Thromboplastic Extracts, pp. 563-564
- S. Gollub; Frank E. Kaplan; David R. Meranze; Harold Tuft
- Chromatographic Analysis of a Mixture of Proteins from Egg White, pp. 564-565
- Herbert A. Sober; Gerson Kegeles; Frederick J. Gutter
Comments and Communications
- The Synthesis of Vitamin B12 in the Digestive System of the Sheep, p. 566
- Philip H. Abelson; Hugh H. Darby
- Scientific Research Vs. the Theory of Probabilities, p. 566
- A. G. Huntsman
- Name of the Soybean, pp. 566-567
- George H. M. Lawrence
- A Six-Segment Head Regenerate in a Supposedly Refractory Earthworm Species, Lumbricus castaneus Savigny 1826, p. 567
- G. E. Gates
- Determination of Condition of Oysters, pp. 567-568
- A. E. Hopkins
- Effect of Dioxane and Sodium Hydroxide upon Lens Capsule and Cortex (Squalus Sp.), p. 568
- D. S. Po-Chedley
Book Reviews
- ----------------, p. 569
- Economic Geography of the USSR
- S. S. Balzak; V. F. Vasyutin; Ya. G. Feigin
- Review author[s]: George B. Cressey
- ----------------, pp. 569-570
- Veterinary Helminthology
- Banner Bill Morgan; Philip A. Hawkins
- Review author[s]: Norman R. Stoll
- ----------------, p. 570
- Personal Adjustment in Old Age
- Ruth Shonle Cavan; Ernest W. Burgess; Robert J. Havighurst; Herbert Goldhamer
- Review author[s]: S. T. Kimble
- ----------------, pp. 570-571
- Mathematical Foundations of Statistical Mechanics
- A. I. Khinchin
- Introduction to Statistical Mechanics
- G. S. Rushbrooke
- Review author[s]: D. Ter Haar
Association Affairs
- The New York Meeting, December 26-31, 1949, pp. 571-573
News and Notes, pp. 573-578
Previous Issue: New Series, Vol. 110, No. 2864, Nov. 18, 1949
Next Issue: New Series, Vol. 110, No. 2866, Dec. 2, 1949
Previous Issue: New Series, Vol. 110, No. 2865, Nov. 25, 1949
Next Issue: New Series, Vol. 110, No. 2867, Dec. 9, 1949
Production of Mesons by X-Rays, pp. 579-583
- Edwin M. McMillan; Jack M. Peterson; R. Stephen White
Experimental Control in Hypnotic Age Regression States, pp. 583-584
- Robert M. True
Technical Papers
- A Preliminary Report on the Study of the Relationship of Psychosomatics to Oral Conditions--Relationship of Personality to Dental Caries, pp. 585-586
- John H. Manhold; Vivian W. Manhold
- A Preliminary Report on Histochemography, pp. 586-588
- George A. Boyd; Francis A. Board
- Some Observations on the Role of Folic Acid in Utilization of Homocystine by the Rat, pp. 589-590
- Mary Adelia Bennett
- Separation of the Ionic Species of Lysine by means of Partition Chromatography, pp. 590-591
- S. Aronoff
- Demonstration of a Fatty Acid Oxidase in Frozen Poultry Fat, pp. 591-592
- Phyllis Ellman; Barbara A. McLaren
- A Simple Jet Type Air Stirrer, p. 592
- G. C. Potter; F. A. Kummerow
Comments and Communication
- Do Amino Acids Fluoresce on Papergrams?, pp. 593-594
- A. R. Patton; Elsie M. Foreman; Patricia C. Wilson
- The Coxsackie Group of Viruses, p. 594
- Gilbert Dalldorf
- Basic Issues in the Controversy on Zoological Nomenclature, p. 594
- Steering Committee, Nomenclature Discussion Group
News and Notes, pp. 595-598
Previous Issue: New Series, Vol. 110, No. 2865, Nov. 25, 1949
Next Issue: New Series, Vol. 110, No. 2867, Dec. 9, 1949
Previous Issue: New Series, Vol. 110, No. 2866, Dec. 2, 1949
Next Issue: New Series, Vol. 110, No. 2868, Dec. 16, 1949
Front Matter (2 pp.)
The Good Name of Science: A Discussion of Science Courses for General Education in College, pp. 599-604
- Eric M. Rogers
Preview of the 116th Meeting, AAAS: New York City, December 26-31, 1949, pp. 605-614+617-624
Annual Science Exposition, pp. 624-634
Association Finances, pp. 635-638
- Howard A. Meyerhoff
Technical Papers
- The Antitreponemal Effect of Oral Chloromycetin in 32 Cases of Early Syphilis in Man--A Preliminary Report, pp. 639-640
- Monroe J. Romansky; Sidney Olansky; S. Ross Taggart; Eugene D. Robin
- Effect of Pressure on Induction of Mutations by Nitrogen Mustard, pp. 640-642
- William D. McElroy; Gabriel De La Haba
- A Prediction regarding the Humboldt Current, pp. 642-644
- Lalla R. Boone
News and Notes, pp. 645-648
Previous Issue: New Series, Vol. 110, No. 2866, Dec. 2, 1949
Next Issue: New Series, Vol. 110, No. 2868, Dec. 16, 1949
Previous Issue: New Series, Vol. 110, No. 2867, Dec. 9, 1949
Next Issue: New Series, Vol. 110, No. 2869, Dec. 23, 1949
Statement of the National Academy of Sciences on the AEC Fellowship Program, pp. 649-651+670
Growth Failure in School Children as Associated with Vitamin B12 Deficiency--Response to Oral Therapy, pp. 651-653
- Norman C. Wetzel; Warren C. Fargo; Isabel H. Smith; Josephine Helikson
Technical Papers
- Atom Bomb Cataracts, pp. 654-655
- David G. Cogan; S. Forrest Martin; Samuel J. Kimura
- Cyclotron-Induced Radiation Cataracts, pp. 655-657
- P. H. Abelson; P. G. Kruger
- Sodium 2-Methyl-4-Dimethylaminophenyl-Phosphinite, a Probable Methyl Donor, pp. 657-658
- G. Moruzzi; C. A. Rossi; A. Rabbi
- Application of Perchloric Acid Technique to Protozoa, p. 659
- B. R. Seshachar; Eleanor Weiss Flick
- The Use of Triphenyltetrazolium Chloride for the Study of Respiration of Tissue Slices, pp. 660-661
- Maurice M. Black; Israel S. Kleiner
- Electrolytically Induced Reactions, p. 661
- William Marshall MacNevin
- The Isolation of a Metabolite of Pentobarbital, pp. 661-662
- E. W. Maynert; H. B. Van Dyke
- Detection of Radioactive Impurities by the Constant Solubility Test, pp. 662-663
- Helmut R. Gutmann; John L. Wood
- Some Observations on Exchange of CO2 between BaCO3 and CO2 Gas, pp. 663-665
- George Samos
- Modifications of the Rabbit Ear Chamber Technique, p. 665
- J. J. Ahern; W. R. Barclay; R. H. Ebert
Comments and Communications
- On the Mental Ability of the Dog, p. 666
- Joseph R. Royce
- Citation of Botanical References, pp. 666-668
- Elbert L. Little
Book Reviews
- ----------------, p. 669
- Human Behavior and the Principle of Least Effort: An Introduction to Human Ecology
- George Kingsley Zipf
- Review author[s]: John Q. Stewart
News and Notes, pp. 671-674
Previous Issue: New Series, Vol. 110, No. 2867, Dec. 9, 1949
Next Issue: New Series, Vol. 110, No. 2869, Dec. 23, 1949
Previous Issue: New Series, Vol. 110, No. 2868, Dec. 16, 1949
Next Issue: New Series, Vol. 110, No. 2870, Dec. 30, 1949
Front Matter, p. 696
The United Nations Scientific Conference for the Conservation and Utilization of Resources, pp. 675-678
- Carl N. Gibboney
Age Determinations by Radiocarbon Content: Checks with Samples of Known Age, pp. 678-680
- J. R. Arnold; W. F. Libby
Technical Papers
- An Inverse Decibel Log Frequency Method for Determination of the Transfer Functions of Psychobiological Systems, pp. 681-684
- George L. Kreezer
- Some New Finds of Fossil Ganoids in the Virginia Triassic, pp. 684-686
- Francis M. Baer; William H. Martin
- Colchicine Poisoning in Relation to Hemerocallis and Some Other Plants, pp. 686-687
- Hamilton P. Traub
- Preparation of a Radioactive Oxazine Dye, pp. 687-688
- Henry A. Sloviter
- Occurrence and Life Histories of Commercial Shrimp, pp. 688-689
- Martin D. Burkenroad
- Periodate Oxidation in the Study of the Structure of Dextrans, pp. 689-690
- P. W. Kent
- The Potentiating Effect of Glucose and Its Metabolic Products on Barbiturate Anesthesia, pp. 690-691
- Paul D. Lamson; Margaret E. Greig; B. Howard Robbins
Comments and Communications
- On the Discovery of the Action of Colchicine on Mitosis in 1889, p. 692
- O. J. Eigsti; P. Dustin; N. Gay-Winn
- A Nomination for the ISCC, p. 692
- John Pim Carter
- Solar Rotation and Kepler's Laws, pp. 692-693
- Cornelius O'Connor
- Corneal Contact Lens Reference?, p. 693
- Katherine Ferguson Chalkley
- Guarded Circuit Bridge, p. 693
- Stanley I. Reynolds
- Report from Sweden, pp. 693-695
- Lotte R. Weilheimer
Book Reviews
- ----------------, p. 696
- Review author[s]: C. W. Sheppard
News and Notes, pp. 697-700
Previous Issue: New Series, Vol. 110, No. 2868, Dec. 16, 1949
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Previous Issue: New Series, Vol. 110, No. 2869, Dec. 23, 1949
Next Issue: New Series, Vol. 111, No. 2871, Jan. 6, 1950
Volume Information (18 pp.)
Government Support of Research, pp. 701-707
- Alan T. Waterman
Technical Papers
- Fluorometric Determination of Serum Aureomycin Levels, pp. 707-708
- John C. Seed; Catherine E. Wilson
- Preparation of C14 Uniformly Labeled Fructose by Means of Photosynthesis and Paper Chromatography, pp. 708-709
- Sidney Udenfriend; Martin Gibbs
- A Megalonyx Tooth from the Northwest Territories, Canada, pp. 709-710
- Chester Stock; Horace G. Richards
- Infrared Spectrometry of Small Samples with the Reflecting Microscope, pp. 710-711
- R. C. Gore
- A Method for the Study of Blood Loss in Hookworm Infestation, pp. 711-713
- P. F. Hahn; Edward P. Offutt
- Prevention of Dietary Fatty Livers by Exposure to a Cold Environment, p. 713
- E. A. Sellers; Rosemary Wen You
- Films from Hemicellulose Acetates, pp. 713-714
- Charles L. Smart; Roy L. Whistler
- A Possible Explanation of Symptom Formation in Tobacco with Frenching and Mineral Deficiencies, pp. 714-715
- Robert A. Steinberg; John D. Bowling; James E. McMurtrey
- Annual Variation in Nicotine Content of Tobacco, pp. 715-716
- Earl W. Flosdorf; Arthur W. Palmer
- Simplified Preparative Electrophoresis at Room Temperature, p. 716
- Harold A. Abramson
Comments and Communications
- Natural Vegetation in the Willamette Valley, p. 717
- W. E. Bullard
- Thermal Coefficient of the Refractive Index of Water, p. 717
- John B. Hawkes; Robert W. Astheimer
News and Notes, pp. 718-720
Previous Issue: New Series, Vol. 110, No. 2869, Dec. 23, 1949
Next Issue: New Series, Vol. 111, No. 2871, Jan. 6, 1950