Previous Issue: New Series, Vol. 110, No. 2870, Dec. 30, 1949
Next Issue: New Series, Vol. 111, No. 2872, Jan. 13, 1950
Volume Information (2 pp.)
Protein Permeability through Thin Organic Layers, pp. 1-4
- Hans J. Trurnit
Technical Papers
- An Electronic Method of Tracing the Movements of Soil-Inhabiting Insects, pp. 5-6
- A. P. Arnason; R. A. Fuller; J. W. T. Spinks
- Adrenal Cortical Hormones: Analysis by Paper Partition Chromatography and Occurrence in the Urine of Normal Persons, pp. 6-8
- Alejandro Zaffaroni; Robert B. Burton; E. Henry Keutmann
- Cultivation of Endamoeba histolytica with Trypanosoma cruzi, pp. 8-9
- Bruce P. Phillips
- A Micromethod for Fat Analysis Based on Formation of Monolayer Films, pp. 9-10
- K. K. Jones
- A Preliminary Report on the Role of the Pineal Organ in the Control of Pigment Cells and Light Reactions in Recent Teleost Fishes, pp. 10-12
- C. M. Breder; Priscilla Rasquin
- Cobalt Polycythemia and Cytochrome C, p. 13
- Stanley Levey
- Rapid Method of Preparing Schiff's Reagent for the Feulgen Test, p. 13
- Jerome Alexander; Kenneth S. McCarty; Eleanor Alexander-Jackson
Comments and Communications
- Discordant Time Scales, pp. 14-15
- C. A. Cotton
- A Suggested Method for Estimating Pre-Hunting Season Status of Scaled Quail Populations, p. 15
- Howard Campbell
News and Notes, pp. 16-22
Previous Issue: New Series, Vol. 110, No. 2870, Dec. 30, 1949
Next Issue: New Series, Vol. 111, No. 2872, Jan. 13, 1950
Previous Issue: New Series, Vol. 111, No. 2871, Jan. 6, 1950
Next Issue: New Series, Vol. 111, No. 2873, Jan. 20, 1950
The Theory of Open Systems in Physics and Biology, pp. 23-29
- Ludwig Von Bertalanffy
Technical Papers
- Structure of the Earth's Crust in the Continents, pp. 29-30
- B. Gutenberg
- Effect of Insulin on the Potassium and Inorganic Phosphate Content of the Medium in Experiments with Isolated Rat Diaphragms, pp. 30-31
- Chr. E. Kamminga; A. F. Willebrands; J. Groen; J. R. Blickman
- The Effect of Changes in Body Weight on Atherosclerosis in the Rabbit, pp. 31-33
- J. B. Firstbrook
- Discovery of Dioecism in Laboulbenia formicarum, pp. 33-34
- R. K. Benjamin; Leland Shanor
- A Method for Concentration and Segregation of Malignant Cells from Bloody, Pleural, and Peritoneal Fluids, pp. 34-36
- Don W. Fawcett; Bert L. Vallee; Marjorie H. Soule
- A Multiple-Standard, Vertical-View Comparator for Microdeterminations, pp. 36-38
- Henry O. Schulze
- Effect of Panparnit on Brain Wave Changes Induced by Diisopropyl Fluorophosphate (DFP), pp. 38-39
- C. F. Essig; J. L. Hampson; P. D. Bales; Alice Willis; H. E. Himwich
- Development and Viability of Drosophila melanogaster on a Medium Containing DDT, pp. 39-40
- Bernard Fram Kalina
- Microscopic Observation of the Living Tooth Pulp, p. 40
- A. Cecil Taylor
Comments and Communications
- Radio Noise of Ionospheric Origin, p. 41
- Herman V. Cottony
- Errata, p. 41
- Edwin M. McMillan
- Scientists' Responsibility for Preventing War, pp. 41-42
- Harlow Shapley; Herman S. Wigodsky
- The Probit Method, pp. 42-43
- Jerome Cornfield; Gordon Haskell
- On Gates' Human ancestry, p. 43
- Henry E. Garrett; W. M. Krogman
Book Reviews
- ----------------, p. 44
- Les Chromosomes des Vertébrés
- Robert Matthey
- Review author[s]: Franz Schrader
- ----------------, pp. 44-45
- Best Science Fiction Stories: 1949
- Everett F. Bleiler; T. E. Dikty
- Review author[s]: J. R. Pierce
- ----------------, pp. 45-46
- Nature-Nurture Controversy
- Nicholas Pastore
- Review author[s]: Anne Anastasi
- ----------------, p. 46
- Review author[s]: A. Elizabeth Adams
News and Notes, pp. 47-50
Previous Issue: New Series, Vol. 111, No. 2871, Jan. 6, 1950
Next Issue: New Series, Vol. 111, No. 2873, Jan. 20, 1950
Previous Issue: New Series, Vol. 111, No. 2872, Jan. 13, 1950
Next Issue: New Series, Vol. 111, No. 2874, Jan. 27, 1950
On the Notions of Causality and Complementarity, pp. 51-54
- Niels Bohr
In Memoriam
- Leonor Michaelis: 1875-1949, p. 55
- W. Mansfield Clark
- Alfred Lee Franklin: 1919-1949, pp. 55-56
- Thomas H. Jukes
- Ralph R. Parker: 1888-1949, pp. 56-57
- Victor H. Haas
Technical Papers
- Carbon 14 Beta Track Autoradiography, pp. 58-59
- George A. Boyd; Hilde Levi
- A Technique for Sectioning Microfossils, p. 60
- Stuart A. Levinson
- The Fate of Plasma Cells, p. 60
- P. Bueno
- Isolation of 17-Hydroxy 11-Dehydro Corticosterone (Kendall's Compound E) from Urine of Normal Males, p. 61
- John J. Schneider
- Large Scale Paper Chromatography, pp. 61-62
- Charles Yanofsky; Elga Wasserman; David M. Bonner
- Relationship in Mice of Intestinal Emptying Time and Natural Resistance to Pig Ascaris Infection, pp. 62-63
- John E. Larsh
- Electrometric Titration of Some Functional Groups, pp. 63-64
- T. Higuchi; Carl J. Lintner; Robert H. Schleif
- Quantitative Evaluation of Gomori Histochemical Preparations, pp. 64-65
- W. L. Doyle
- Comparison of Electroencephalographs of Young Rats from Dams on Synthetic and on Normal Diets, pp. 65-66
- M. D. Overholser; J. R. Whitley; B. L. O'Dell; A. G. Hogan
- Studies on the Life Cycle of Syphacia obvelata, a Common Nematode Parasite of Rats, pp. 66-67
- Marjorie Jean Raecke Prince
Comments and Communications
- The Donora Episode, pp. 67-68
- Clarence A. Mills
- Correction, p. 68
- Herbert A. Sober; Gerson Kegeles; Fred J. Gutter
- Molecular Orientation and Intracellular Photometric Analysis, pp. 68-73
- Arthur W. Pollister; Hewson H. Swift; Barry Commoner
Scientific Book Register, p. 74
News and Notes, pp. 75-78
Previous Issue: New Series, Vol. 111, No. 2872, Jan. 13, 1950
Next Issue: New Series, Vol. 111, No. 2874, Jan. 27, 1950
Previous Issue: New Series, Vol. 111, No. 2873, Jan. 20, 1950
Next Issue: New Series, Vol. 111, No. 2875, Feb. 3, 1950
A National Science Foundation: 1950 Prospects, pp. 79-81
- Dael Wolfle
Principles of Emulsion Polymerization, pp. 82-84
- Frederick T. Wall
Technical Papers
- Terramycin, a New Antibiotic, p. 85
- A. C. Finlay; G. L. Hobby; S. Y. P'an; P. P. Regna; J. B. Routien; D. B. Seeley; G. M. Shull; B. A. Sobin; I. A. Solomons; J. W. Vinson; J. H. Kane
- The Oxygenation of Blood by Gas Dispersion, pp. 85-87
- Leland C. Clark; Frank Gollan; Vishwa B. Gupta
- Use of Dried Bovine Hemoglobin Powder in the Anson and Mirsky Methods for Pepsin and Trypsin, p. 88
- David Orringer; Frances U. Lauber; Franklin Hollander
- Response of the Guinea Pig to 200 Roentgens Acute Whole Body X Irradiation, pp. 88-90
- Thomas J. Haley; D. Harriette Harris
- Persistence of 2,4-D in Plant Tissues, p. 90
- Edgar C. Tullis; Wm. C. Davis
- Use of 2,4-D as an Inhibitor of Germination in Routine Examinations of Beans for Seed-Borne Infection, p. 91
- W. A. F. Hagborg; Gladys M. Warner; N. Agnes Phillips
- Relation between Band Slicks at the Surface and Internal Waves in the Sea, pp. 91-94
- Gifford C. Ewing
- β-3-Thienylalanine, an Antiphenylalanine in the Protein-Depleted Rat, pp. 94-95
- Karl Dittmer; Laurence E. Frazier; Robert W. Wissler; Paul R. Cannon
Book Reviews
- ----------------, p. 95
- Fishes of the Western North Atlantic: Lancelets, Cyclostomes, Sharks
- Henry B. Bigelow; Isabel P. Farfante; W. C. Schroeder
- Review author[s]: Leonard P. Schultz
- ----------------, p. 96
- Review author[s]: Arthur Bevan
- ----------------, p. 96
- Textbook of Virology: For Students and Practitioners of Medicine
- A. J. Rhodes; C. E. Van Rooyen
- Review author[s]: William S. Preston
- ----------------, p. 96
- Modern Science and Its Philosophy
- Philipp Frank
- Review author[s]: Henry Margenau
- ----------------, pp. 96-97
- Pedigrees of Negro Families
- R. Ruggles Gates
- Review author[s]: J. N. Spuhler
- ----------------, p. 97
- Trees: Yearbook of Agriculture, 1949
- Alfred Stefferud
- Review author[s]: Robert A. Cockrell
News and Notes, pp. 98-102
Previous Issue: New Series, Vol. 111, No. 2873, Jan. 20, 1950
Next Issue: New Series, Vol. 111, No. 2875, Feb. 3, 1950
Previous Issue: New Series, Vol. 111, No. 2874, Jan. 27, 1950
Next Issue: New Series, Vol. 111, No. 2876, Feb. 10, 1950
Health Hazards in Radiation Work, pp. 103-109
- M. Ingram
The Mechanism of the Heat Inactivation of Pepsin, pp. 110-111
- E. J. Casey; K. J. Laidler
Technical Papers
- Absorption of Radioactive Zirconium and Niobium by Plant Roots from Soils and Its Theoretical Significance, pp. 112-113
- J. Vlamis; G. A. Pearson
- New Method for Studying Electrical Orientation and Relaxation Effects in Aqueous Colloids: Preliminary Results with Tobacco Mosaic Virus, pp. 113-116
- Chester T. O'Konski; Bruno H. Zimm
- The Induction of Resistance to 4-Amino-N10-Methyl-Pteroylglutamic Acid in a Strain of Transmitted Mouse Leukemia, pp. 116-117
- J. H. Burchenal; E. Robinson; S. F. Johnston; M. N. Kushida
- Hemin Synthesis in Spleen Homogenates, pp. 117-118
- Kurt I. Altman; Kurt Salomon
- Effect of 2,4-Dichlorophenoxyacetic Acid on the Alpha and Beta Amylase Activity in the Stems and Leaves of Red Kidney Bean Plants, p. 118
- W. B. Neely; C. D. Ball; C. L. Hamner; H. M. Sell
News and Notes, pp. 119-122
Previous Issue: New Series, Vol. 111, No. 2874, Jan. 27, 1950
Next Issue: New Series, Vol. 111, No. 2876, Feb. 10, 1950
Previous Issue: New Series, Vol. 111, No. 2875, Feb. 3, 1950
Next Issue: New Series, Vol. 111, No. 2877, Feb. 17, 1950
Front Matter, pp. 137-139
Ten Million Scientists, pp. 123-129
- Edmund W. Sinnott
The 102nd Year of the AAAS, pp. 129-130
- Roger Adams
Kirtley F. Mather: President Elect, AAAS, pp. 131-132
- Harlow Shapley
A Report of the New York Meeting, December 26-31, 1949, pp. 132-136
- Raymond L. Taylor
Reports of Sections and Societies, pp. 139-149
Technical Papers
- Effect of Whole Body X-Radiation and of Intraperitoneal Hydrogen Peroxide on Mouse Liver Catalase, pp. 149-150
- Robert N. Feinstein; Carrie L. Butler; Daniel D. Hendley
- Algin from Sargassum, p. 150
- Fred W. Davis
- X-Ray Investigation on the Change in Orientation of Cellulose in Sound and Infected Tracheids of Chir (Pinus Longifolia), p. 151
- J. Sen; B. K. Banerjee
- A Preliminary Note on Naturally Occurring Organic Substances in Sea Water Affecting the Feeding of Oysters, pp. 151-152
- Albert Collier; Sammy Ray; Wayne Magnitzky
- Maleic Hydrazide, a Selective Herbicide, pp. 152-153
- H. B. Currier; A. S. Crafts
- Effects of Irradiating Maize Pollen in a Nuclear Reactor on the F1 Plants, pp. 153-154
- E. F. Frolik; Rosalind Morris
- A Hitherto Undescribed Coloring Reaction of Certain Human Nerve Fibers, p. 155
- J. F. A. McManus; J. C. Saunders; G. B. Penton; Jane E. Cason
- Cumulative Frequency Distribution in Manual Chromatography, pp. 155-156
- Lawrence M. Marshall; William A. DaCosta
News and Notes, pp. 157-160
Previous Issue: New Series, Vol. 111, No. 2875, Feb. 3, 1950
Next Issue: New Series, Vol. 111, No. 2877, Feb. 17, 1950
Previous Issue: New Series, Vol. 111, No. 2876, Feb. 10, 1950
Next Issue: New Series, Vol. 111, No. 2878, Feb. 24, 1950
Front Matter, pp. 185-186
Heredity, Environment, and Evolution, pp. 161-166
- Th. Dobzhansky
The Role of Lipids and Lipoproteins in Atherosclerosis, pp. 166-171+186
- John W. Gofman; Frank Lindgren; Harold Elliott; William Mantz; John Hewitt; Beverly Strisower; Virgil Herring; Thomas P. Lyon
Technical Papers
- On Projection as a Possible Source of Apparent Color in Sunspots, p. 172
- James C. Bartlett
- The Frequency of Beat of Sperm Tails, pp. 172-173
- Don Ritchie
- Action of Carboxypeptidase toward Peptides Containing Unnatural Aromatic Amino Acids, pp. 173-175
- Floyd W. Dunn; Karl Dittmer
- Uptake of Radioactive Iodine by the Thyroids of Underfed Rats, pp. 175-176
- Joseph Meites; L. F. Wolterink
- Amide Constituents of Tobacco Mosaic Virus Protein, pp. 176-177
- William Stepka; William N. Takahashi
- Effect of Hyaluronidase on the Subcutaneous Absorption of Electrolytes in Humans, pp. 177-179
- Gilbert B. Forbes; Robert W. Deisher; Anne M. Perley; Alexis F. Hartmann
- The Light Reaction in the Bleaching of Rhodopsin, pp. 179-181
- George Wald; Jack Durell; Robert C. C. St. George
Comments and Communications
- Language in Science, p. 182
- John Grieve
- Anthropologists vs. the Atom Bomb, p. 182
- M. F. Ashley Montagu
- Correction, pp. 182-183
- Simon L. Ruskin; Alice T. Merrill
- In Defense of the USDA Research Administration, p. 183
- Charles E. Kellogg
- An Automatic Timer for Speakers, p. 183
- S. Rodbard; E. Tiger
Book Reviews
- ----------------, p. 184
- Subsurface Geologic Methods: A Symposium
- L. W. LeRoy; Harry M. Crain
- Review author[s]: Daniel Linehan
- ----------------, pp. 184-185
- Review author[s]: Jordi Folch-Pi
- ----------------, p. 185
- Experimental Psychology: An Introduction
- Leo Postman; James P. Egan
- Review author[s]: William E. Kappauf
News and Notes, pp. 187-190
Previous Issue: New Series, Vol. 111, No. 2876, Feb. 10, 1950
Next Issue: New Series, Vol. 111, No. 2878, Feb. 24, 1950
Previous Issue: New Series, Vol. 111, No. 2877, Feb. 17, 1950
Next Issue: New Series, Vol. 111, No. 2879, Mar. 3, 1950
Mesons Produced by the Cyclotron, pp. 191-197
- Eugene Gardner; Walter H. Barkas; F. M. Smith; Hugh Bradner
The Cooperative Committee for the Teaching of Science: A Report to the AAAS Council, December, 1949, pp. 197-200
- K. Lark-Horovitz
Technical Papers
- Macromolecular Arrangement within Muscle, pp. 201-202
- Councilman Morgan; George Rozsa; Albert Szent-Györgyi; Ralph W. G. Wyckoff
- Synthesis of Greatly Enriched HD, pp. 202-204
- Francis J. Norton
- A Study of the Albumin and Globulin Content in Postpartum Plasma and Its Use in Rheumatoid Arthritis, p. 204
- Louis W. Granirer
- The Action of Pectinase Solutions on Sections of Acetone-Fixed Human Tissues: A Preliminary Note, pp. 204-205
- J. F. A. McManus; J. C. Saunders
- The Action of Radioactive Phosphorus in Drosophila, pp. 205-206
- Johanna Blumel
- Chlorophyll Formation in Potato Tubers as Affected by Temperature and Time, pp. 206-207
- Ejnar C. Larsen
Comments and Communications
- The Case against the National Science Foundation, pp. 208-210
- Executive Committee; Inter-Society Committee
- Nucleotide Content of Bacteriophage Genetic Units, p. 210
- Stanley A. Zahler
News and Notes, pp. 211-214
Previous Issue: New Series, Vol. 111, No. 2877, Feb. 17, 1950
Next Issue: New Series, Vol. 111, No. 2879, Mar. 3, 1950
Previous Issue: New Series, Vol. 111, No. 2878, Feb. 24, 1950
Next Issue: New Series, Vol. 111, No. 2880, Mar. 10, 1950
Front Matter, p. 240
Phosphorus in Soils and Fertilizers, pp. 215-220
- F. W. Parker
The First Year of the SCLP, pp. 220-225+238
- The Scientists' Committee on Loyalty Problems
Technical Papers
- Stars in Photographic Emulsions Initiated by pi - Mesons, pp. 226-229
- Frank L. Adelman; Stanley B. Jones
- Experimental Hypertension Produced by a Plastic Capsule Applied to the Kidney, p. 229
- G. Carl Rau
- Absorption Effects in Volume Irradiation of Microorganisms, pp. 229-230
- Harold J. Morowitz
- Seasonal Variation in Sensitivity of Rana pipiens to Chorionic Gonadotropin, p. 231
- Meyer Samson
- Behavior of Hydrogen Ion in Exchange Reactions, pp. 231-232
- C. Krishnamoorthy; Roy Overstreet
- Location of the Syncline in Island Arc Structure, p. 232
- William F. Tanner
- A Rapid Method for Obtaining Clear Soil Extracts, pp. 232-233
- Seton N. Edson; F. B. Smith
- Crystalline Dihydrostreptomycin Base, p. 233
- H. W. Rhodehamel; S. L. McCormick; S. F. Kern
Comments and Communications
- More on Zoological Nomenclature, pp. 234-238
- Francis Hemming; Karl P. Schmidt; Henning Lemche; Ragnar Spärck; Edward Hindle; N. D. Riley; Lodovico Di Caporiacco; J. Chester Bradley
Book Reviews
- ----------------, pp. 239-240
- Louis Pasteur: Free Lance of Science
- René J. Dubos
- Review author[s]: Roger D. Reid
- ----------------, p. 240
- Einführung in die Zoologische Nomenklatur durch Erläuterung der Internationalen Regeln
- Rudolf Richter
- Review author[s]: Curtis W. Sabrosky
News and Notes, pp. 241-244
Previous Issue: New Series, Vol. 111, No. 2878, Feb. 24, 1950
Next Issue: New Series, Vol. 111, No. 2880, Mar. 10, 1950
Previous Issue: New Series, Vol. 111, No. 2879, Mar. 3, 1950
Next Issue: New Series, Vol. 111, No. 2881, Mar. 17, 1950
Front Matter, p. 240
Soil Erosion by Rainstorms, pp. 245-249
- W. D. Ellison
Edward Lee Thorndike: 1874-1949, pp. 250-251
- Robert S. Woodworth
Technical Papers
- A Light Polarization Analyzer in the Compound Eye of Limulus, pp. 252-254
- Talbot H. Waterman
- The Combined Action of Penicillin with Streptomycin or Chloromycetin on Enterococci in vitro, pp. 254-256
- E. Jawetz; J. B. Gunnison; V. R. Coleman
- Cytologic Demonstration of Nucleic Acids in Tissue Culture, pp. 256-257
- Robert J. Stein; Horace W. Gerarde
- Synthesis of 1-C14-L-Ascorbic Acid, pp. 257-258
- J. J. Burns; C. G. King
- Sterile Pieces of Chick Embryo as a Medium for the Indefinite Axenic Cultivation of Rhabditis briggsae Dougherty and Nigon, 1949 (Nematoda: Rhabditidae), p. 258
- Ellsworth C. Dougherty
- Mechanism of the Base-Catalyzed Conversion of Acylamino Acids to Acylamido Ketones, pp. 259-260
- Richard H. Wiley
- The Pleistocene History of the Mississippi River, pp. 260-262
- William Herbert Hobbs
Comments and Communications
- Research Publication: An Addendum, p. 263
- Marion A. Jurgens; M. C. Merrill
- Catching Fishes with the Hand in India, pp. 263-264
- S. L. Hora
- Relation Between Time of Treatment and Sprouting of Poisoned Trees, p. 264
- Ralph A. Read
Book Reviews
- ----------------, pp. 265-266
- Mathematical Biophysics
- N. Rashevsky
- Review author[s]: Robert G. Grenell
- ----------------, p. 266
- Human Helminthology: A Manual for Physicians, Sanitarians, and Medical Zoologists
- Ernest Carroll Faust
- Review author[s]: Alan W. Donaldson
News and Notes, pp. 267-270
Previous Issue: New Series, Vol. 111, No. 2879, Mar. 3, 1950
Next Issue: New Series, Vol. 111, No. 2881, Mar. 17, 1950
Previous Issue: New Series, Vol. 111, No. 2880, Mar. 10, 1950
Next Issue: New Series, Vol. 111, No. 2882, Mar. 24, 1950
Front Matter, p. 290
The Size of Silicone Molecules, pp. 271-275
- Theodore G. Rochow; Eugene G. Rochow
Technical Papers
- Ovular Tumors and Inhibition of Embryo Growth in Incompatible Crosses of Datura, pp. 276-277
- J. Rappaport; S. Satina; A. F. Blakeslee
- A Mechanical Heart with Coagulable Blood, pp. 277-278
- Lucien Brull
- Hollow Crystals of Nitroguanidine, pp. 278-279
- Joseph Cohen; Ronald A. Henry; Sol Skolnik; G. B. L. Smith
- Vacuum Differential Thermal Analysis, pp. 279-281
- Walter L. Whitehead; Irving A. Breger
- Developmental Failure of the Pituitary in Amphibian Embryos Treated with Sugar, pp. 281-283
- Richard M. Eakin
- A Very Water-Soluble Riboflavin Derivative, p. 283
- George B. Stone
- A Correction for Linkage in the Computation of Number of Gene Differences, pp. 283-285
- Everett R. Dempster; Leon A. Snyder
- Correlation of Certain Physical Constants of Some Alkyl Esters of n-Phenyl Carbamic Acid, with Their Phytotoxicity, pp. 285-286
- V. H. Freed
- The Relationship between Human Serum Cholinesterase and Serum Albumin, pp. 286-287
- Milton Gjelhaug Levine; Robert E. Hoyt
Comments and Communications
- Foraminifera and Deep Sea Stratigraphy, p. 288
- Gustaf Arrhenius
- A Folliculinid from Northwestern Iowa, pp. 288-289
- John Meacham Hamilton
- Photographing Graphs for Publication, p. 289
- Harold Raoul Wainerdi
- Hotchkiss Reaction and Structure of Polysaccharides, p. 289
- Roger Jeanloz
- Categories of Availability or Validity of Zoologic Names, pp. 289-290
- Richard E. Blackwelder; J. Brookes Knight; Hobart M. Smith
News and Notes, pp. 291-294
Previous Issue: New Series, Vol. 111, No. 2880, Mar. 10, 1950
Next Issue: New Series, Vol. 111, No. 2882, Mar. 24, 1950
Previous Issue: New Series, Vol. 111, No. 2881, Mar. 17, 1950
Next Issue: New Series, Vol. 111, No. 2883, Mar. 31, 1950
Front Matter, p. 314
The Proton Synchrotron, pp. 295-300
- E. J. Lofgren
The Comparative Biochemistry of Vitamin Function, pp. 300-302
- Ernest Beerstecher
Technical Papers
- Blossoming of Fruits Delayed by Maleic Hydrazide, p. 303
- David G. White
- Inhibition of the Shwartzman Phenomenon by Adrenocorticotropic Hormone (ACTH) from the Adenohypophysis, pp. 303-304
- Louis J. Soffer; Gregory Shwartzman; S. Stanley Schneierson; Jacques L. Gabrilove
- A Simple Tissue Homogenizer, pp. 304-305
- Karl M. Wilbur; Max V. Skeen
- Certain Physical Properties of Some Substituted Diphenyl Sulfones and Sulfoxides, pp. 305-307
- E. D. Amstutz; J. J. Chessick; I. M. Hunsberger
- Abundance of N15 in the Nitrogen Occluded in Radioactive Minerals, pp. 307-308
- William C. White; Herman Yagoda
- Growth of Chlorella vulgaris in the Dark, p. 309
- Bernard J. Finkle; David Appleman; Fritz K. Fleischer
- Studies on Pain, pp. 310-311
- Arthur M. Schwartz; William K. Sata; Daniel Laszlo
Comments and Communications
- Geologic Age from Metamict Minerals, p. 312
- Heinrich D. Holland; J. Laurence Kulp
- Correction, p. 312
- Eugene Gardner
- A Modified Schiff's Solution, p. 312
- E. Wertheim
- Dramamine, pp. 312-313
- Mark Nickerson
Book Reviews
- ----------------, p. 313
- Atomic Medicine
- Charles F. Behrens
- Review author[s]: Lee E. Farr
- ----------------, pp. 313-314
- Medical Etymology: The History and Derivation of Medical Terms for Students of Medicine, Dentistry, and Nursing
- O. H. Perry Pepper
- Review author[s]: Malcolm H. Soule
- ----------------, p. 314
- Supersensitivity of Denervated Structures: A Law of Denervation
- Walter B. Cannon; Arturo Rosenblueth
- Review author[s]: C. Ladd Prosser
News and Notes, pp. 315-318
Previous Issue: New Series, Vol. 111, No. 2881, Mar. 17, 1950
Next Issue: New Series, Vol. 111, No. 2883, Mar. 31, 1950
Previous Issue: New Series, Vol. 111, No. 2882, Mar. 24, 1950
Next Issue: New Series, Vol. 111, No. 2884, Apr. 7, 1950
Earthquakes in North America, pp. 319-324
- B. Gutenberg
Ray Lyman Wilbur: 1875-1949, pp. 324-327
- Robert E. Swain
Technical Papers
- Preliminary Note on the Occurrence of a New Protistan Parasite, Dermocystidium marinum n. sp. in Crassostrea virginica (Gmelin), pp. 328-329
- J. G. Mackin; H. Malcolm Owen; Albert Collier
- Action of Penicillin on Bacterial Utilization of Amino Acids and Peptides, pp. 329-331
- Sofia Simmonds; Joseph S. Fruton
- Effect of 2,4,5-Trichlorophenoxyacetic Acid on Ripening of Apples and Peaches, pp. 331-332
- P. C. Marth; C. P. Harley; A. L. Havis
- Partogrid, Proportional Divider for Use in Paper Chromatography (Partography), pp. 332-333
- Louis B. Rockland; Max S. Dunn
- Effect of Neoplastic Tissue on the Turnover of Desoxypentose Nucleic Acid, pp. 333-334
- Lola S. Kelly; Hardin B. Jones
- Presence of a Phosphatase in the Human Aortic Wall, p. 334
- Esben Kirk; E. Praetorius
- The Origin of Petroleum: Effects of Low Temperature Pyrolysis on the Organic Extract of a Recent Marine Sediment, pp. 335-337
- Walter L. Whitehead; Irving A. Breger
Comments and Communications
- A Simple Microfilm Reader and the Microfilm Process, p. 337
- Axel Leonard Melander
- The Mechanism of Ionization in Solution, p. 338
- Hussein Sadek
- Comparison of Peripheral Blood with Heart Blood in Guinea Pigs, pp. 338-339
- Paul G. Roofe; Homer B. Latimer; Martha Madison; Marguerite Maffet; Paul Wilkinson
Association Affairs
- Gordon Research Conferences June 26-September 1, 1950, pp. 340-344
- W. George Parks
News and Notes, pp. 345-348
Previous Issue: New Series, Vol. 111, No. 2882, Mar. 24, 1950
Next Issue: New Series, Vol. 111, No. 2884, Apr. 7, 1950
Previous Issue: New Series, Vol. 111, No. 2883, Mar. 31, 1950
Next Issue: New Series, Vol. 111, No. 2885, Apr. 14, 1950
Front Matter, p. 368
The Use of Cloud Chambers with Pulsed Accelerators, pp. 349-355
- Evans Hayward
Technical Papers
- Cyanide Protection against X-Irradiation, pp. 356-357
- Z. M. Bacq; A. Herve; J. Lecomte; P. Fischer
- Serological Relationships between Nucleus, Cytoplasm, and Cytoplasmic Products and the Concept of Complementary Molecules, pp. 357-359
- A. Mandel Schechtman; Toshiko Nishihara
- Pyrolysis of Hydrocarbon Polymers, pp. 360-361
- S. L. Madorsky
- Di-(p-Chlorophenyl)methylcarbinol, a New Miticide, pp. 361-362
- Oliver Grummitt
- Localization of C14 in the Tissues of Mice after Administration of C14 Methyl-Labeled Glycine, pp. 362-363
- George L. Nardi
- Rate of Disappearance of Prothrombin from the Circulation, p. 364
- Mario Stefanini; Anthony V. Pisciotta
- A New Improved Method for Determination of Prothrombin Levels in Blood, p. 365
- Anna Goldfeder; David Bloom; Murray Weiner
Comments and Communications
- Chemistry in Postwar Europe, pp. 366-367
- Randolph T. Major
Book Reviews
- ----------------, p. 368
- World of Life: A General Biology
- Wolfgang F. Pauli
- Review author[s]: Arnold W. Ravin
News and Notes, pp. 369-372
Previous Issue: New Series, Vol. 111, No. 2883, Mar. 31, 1950
Next Issue: New Series, Vol. 111, No. 2885, Apr. 14, 1950
Previous Issue: New Series, Vol. 111, No. 2884, Apr. 7, 1950
Next Issue: New Series, Vol. 111, No. 2886, Apr. 21, 1950
Front Matter, p. 392
Encouragement of Science, pp. 373-375
- Robert Oppenheimer
Technical Papers
- Sudorific Action of Adrenalin on the Human Sweat Glands and Determination of Their Excitability, pp. 376-377
- Masao Wada
- Two Crossover-Selector Systems: New Tools in Genetics, pp. 377-378
- Maurice Whittinghill
- The Mass of Gastric Mucosa Cells Measured by X-Ray Absorption, pp. 379-380
- Arne Engström; David Glick
- The Control of Survival Time of Mice Bearing Methylcholanthrene-Induced Fibrosarcomas, pp. 381-382
- Leonell C. Strong
- A Synthetic Diet for the Biological Assay of Thiamine, pp. 382-384
- Carmen Ll. Intengan; Hazel E. Munsell; Robert S. Harris
- Some Properties of 2,3,5-Triphenyltetrazolium Chloride and Several Iodo Derivatives, pp. 385-387
- Elsie Atkinson; Samuel Melvin; Sidney W. Fox
- Use of Dyestuffs for Determining the Activity of Proteolytic Enzymes, pp. 387-388
- Benjamin Carroll
Comments and Communications
- Extension of Political Domination beyond Soviet Genetics, pp. 389-391
- Josef Brožek
- Atomic Energy and the New Dictionaries, pp. 391-392
- E. N. Lockard
News and Notes, pp. 393-396
Previous Issue: New Series, Vol. 111, No. 2884, Apr. 7, 1950
Next Issue: New Series, Vol. 111, No. 2886, Apr. 21, 1950
Previous Issue: New Series, Vol. 111, No. 2885, Apr. 14, 1950
Next Issue: New Series, Vol. 111, No. 2887, Apr. 28, 1950
Front Matter, pp. 440-443
United Nations Research Laboratories, pp. 397-399
- Kirtley F. Mather
The Chaotic University, pp. 399-403
- Eric M. Rogers
The Question of Plasmagenes, pp. 403-407
- Jack Schultz
The Committee on Foreign Compendia, pp. 407-408
- H. B. Hass
Book Reviews
- ----------------, pp. 409-410
- Albert Einstein: Philosopher-Scientist
- Paul Arthur Schilpp
- Review author[s]: I. I. Rabi
- ----------------, p. 410
- Review author[s]: Karl K. Darrow
- ----------------, pp. 410-412
- Fluorescence and Phosphorescence
- Peter Pringsheim
- An Introduction to Luminescence of Solids
- Humboldt W. Leverenz
- Review author[s]: Karl Lark-Horovitz
- ----------------, p. 412
- Atomic Age
- M. L. Oliphant
- Atomic Energy Yearbook
- John Tutin
- Constructive Uses of Atomic Energy
- S. C. Rothmann
- Review author[s]: R. D. Huntoon
- ----------------, pp. 412-413
- An Introduction to Molecular Spectra
- Raynor C. Johnson
- Review author[s]: Arthur Roberts
- ----------------, p. 413
- Practical Spectroscopy
- C. Candler
- Review author[s]: K. W. Meissner
- ----------------, p. 413
- Introduction to Theoretical Physics
- Max Planck
- General Mechanics, Vol. I
- The Mechanics of Deformable Bodies, Vol. II
- Theory of Electricity and Magnetism, Vol. III
- Theory of Light, Vol. IV
- Theory of Heat, Vol. V
- Review author[s]: L. I. Schiff
- ----------------, pp. 413-414
- University Physics
- Francis Weston Sears; Mark W. Zemansky
- Review author[s]: T. Enns
- ----------------, p. 414
- Review author[s]: D. Ter Haar
- ----------------, p. 414
- Introduction to Theoretical and Experimental Optics
- Joseph Valasek
- Review author[s]: Richard Tousey
- ----------------, pp. 414-415
- Partial Differential Equations in Physics
- Arnold Sommerfeld
- Review author[s]: Michael Golomb
- ----------------, p. 415
- Acoustic Measurements
- Leo. L. Beranek
- Review author[s]: Robert Galambos
- ----------------, p. 415
- Algebraic Curves
- Robert J. Walker
- Review author[s]: Irvin S. Cohen
- ----------------, pp. 415-416
- The Theory of Probability: An Inquiry into the Logical and Mathematical Foundations of the Calculus of Probability
- Hans Reichenbach
- Review author[s]: R. V. Mises
- ----------------, pp. 416-417
- Introduction to the Theory of Probability and Statistics
- Niels Arley; K. Rander Buch
- Review author[s]: Thomas N. E. Greville
- ----------------, pp. 417-418
- Infrared Determination of Organic Structures
- H. M. Randall; R. G. Fowler; N. Fuson; J. R. Dangl
- Review author[s]: G. B. B. M. Sutherland
- ----------------, p. 418
- Titanium: Its Occurrence, Chemistry, and Technology
- Jelks Barksdale
- Review author[s]: Therald Moeller
- ----------------, pp. 418-419
- The Alkaloids: Chemistry and Physiology
- R. H. F. Manske; H. L. Holmes
- Review author[s]: Lyndon F. Small
- ----------------, p. 419
- Chemical Activities of Fungi
- Jackson W. Foster
- Review author[s]: M. J. Johnson
- ----------------, pp. 419-420
- Review author[s]: C. B. Anfinsen
- ----------------, p. 420
- Chemical Constitution and Biological Activity
- W. A. Sexton
- Review author[s]: Robert G. Grenell
- ----------------, pp. 420-422
- Metabolism and Function: A Collection of Papers Dedicated to Otto Meyerhof on the Occasion of His 65th Birthday
- D. Nachmansohn
- Review author[s]: Charles N. Frey
- ----------------, p. 422
- Vitamin Methods
- Paul György
- Review author[s]: Mary S. Shorb
- ----------------, p. 422
- Antibiotics
- George W. Irving; Horace T. Herrick
- Review author[s]: H. E. Carter
- ----------------, pp. 422-423
- Genetics, Paleontology, and Evolution
- Glenn L. Jepsen; Ernst Mayr; George Gaylord Simpson
- Review author[s]: L. J. Stadler
- ----------------, pp. 423-424
- The Vertebrate Body
- Alfred Sherwood Romer
- Review author[s]: William O. Puckett
- ----------------, pp. 424-425
- Principles of Animal Ecology
- W. C. Allee; Alfred E. Emerson; Thomas Park; Orlando Park; Karl P. Schmidt
- Review author[s]: Walter P. Taylor
- ----------------, p. 425
- Webs in the Wind: The Habits of Web-Weaving Spiders
- Winifred Duncan
- American Spiders: A Guide to the Life and Habits of the Spider World
- Willis J. Gertsch
- Review author[s]: Edward A. Chapin
- ----------------, pp. 425-426
- Irrigated Soils: Their Fertility and Management
- D. W. Thorne; H. B. Peterson
- Review author[s]: M. R. Huberty
- ----------------, pp. 426-427
- Elementary Plant Physiology
- Stuart Dunn
- Review author[s]: James H. M. Henderson
- ----------------, p. 427
- Colloid Chemistry of the Silicate Minerals
- C. Edmund Marshall
- Review author[s]: Harry B. Weiser
- ----------------, p. 427
- Fifty Years of Plant Physiology
- Th. Weevers
- Review author[s]: Ruth M. Addoms
- ----------------, pp. 427-428
- Water in the Physiology of Plants
- A. S. Crafts; H. B. Currier; C. R. Stocking
- Review author[s]: Donald B. Anderson
- ----------------, p. 428
- Blakiston's New Gould Medical Dictionary
- Harold Wellington Jones; Normand L. Hoerr; Arthur Osol
- Review author[s]: Malcolm H. Soule
- ----------------, pp. 428-429
- External Morphology of the Primate Brain
- Cornelius J. Connolly
- Review author[s]: Webb Haymaker
- ----------------, p. 429
- Illustrated Study Aid for Medical Bacteriology
- Walter J. Nungester; Phebe G. Williams
- Review author[s]: Stanley Marcus
- ----------------, pp. 429-430
- Clinical Pathology: Application and Interpretation
- Benjamin B. Wells
- Review author[s]: Malcolm H. Soule
- ----------------, p. 430
- Haemoglobin: A Symposium Based on a Conference Held at Cambridge in June 1948 in Memory of Sir Joseph Barcroft
- F. J. W. Roughton; J. C. Kendrew
- Review author[s]: John T. Edsall
- ----------------, pp. 430-431
- Malariology: A Comprehensive Survey of All Aspects of This Group of Diseases from a Global Standpoint
- Mark F. Boyd
- Review author[s]: Malcolm H. Soule
- ----------------, p. 431
- Review author[s]: A. P. Gagge
- ----------------, pp. 431-432
- Physiology of the Eye: Optics
- Arthur Linksz
- Optics: The Technique of Definition
- Arthur Cox
- Review author[s]: Richard Tousey
- ----------------, pp. 432-433
- Sight, Light and Efficiency
- H. C. Weston
- Review author[s]: Josef Brožek
- ----------------, pp. 433-434
- Text-Book of Ophthalmology: The Neurology of Vision, Motor and Optical Anomalies
- W. Stewart Duke-Elder
- Review author[s]: Frank Payne
- ----------------, p. 434
- Frustration: The Study of Behavior without a Goal
- Norman R. F. Maier
- Review author[s]: O. Hobart Mowrer
- ----------------, pp. 434-435
- Review author[s]: William Vogt
- ----------------, p. 435
- Theory of Hearing
- Ernest Glen Wever
- Review author[s]: Robert Galambos
- ----------------, pp. 435-437
- Adaptation
- John Romano
- Review author[s]: Dana Coman
- ----------------, p. 437
- Seismicity of the Earth and Associated Phenomena
- B. Gutenberg; C. F. Richter
- Review author[s]: Ross R. Heinrich
- ----------------, pp. 437-438
- Electron Microscopy: Technique and Applications
- Ralph W. G. Wyckoff
- Review author[s]: Thomas F. Anderson
- ----------------, p. 438
- Freeze-Drying: Drying by Sublimation
- Earl W. Flosdorf
- Review author[s]: Max M. Strumia
- ----------------, pp. 438-439
- Oscillations of the Earth's Atmosphere
- M. V. Wilkes
- Review author[s]: B. Haurwitz
Reviewed in Brief
- ----------------, p. 439
- Penicillin: Its Practical Application
- Alexander Fleming
- ----------------, p. 439
- ----------------, p. 439
- Surface Tension and the Spreading of Liquids
- R. S. Burdon
- ----------------, p. 439
- Medical Entomology
- Robert Matheson
- ----------------, pp. 439-440
- Quantitative Ultramicroanalysis
- Paul L. Kirk
Book Review Index, pp. 443-444
Comments and Communications
- Incidence of Rh0 Negative Reactors among Chinese, p. 445
- Sylvia F. Pan
- On the Application of Harmonic Analysis to Ocean Wave Research, pp. 445-446
- F. Ursell; H. R. Seiwell
News and Notes, pp. 447-452
Previous Issue: New Series, Vol. 111, No. 2885, Apr. 14, 1950
Next Issue: New Series, Vol. 111, No. 2887, Apr. 28, 1950
Previous Issue: New Series, Vol. 111, No. 2886, Apr. 21, 1950
Next Issue: New Series, Vol. 111, No. 2888, May 5, 1950
The National Academy of Sciences: Abstracts of Papers Presented at the Annual Meeting, April 24-26, 1950, Washington, D. C., pp. 453-463
Technical Papers
- The Availability of Various Manganese Oxides to Plants, pp. 463-464
- L. H. P. Jones; G. W. Leeper
- The Distribution of S34 in Nature and the Sulfur Cycle, pp. 464-465
- A. Szabo; A. Tudge; J. Macnamara; H. G. Thode
- Weight and Body Temperature, pp. 465-466
- Simon Rodbard
- On the Amendment of the Nomenclature of the Rh-CDE System, pp. 466-467
- Edward F. Ducey; Robert I. Modica
- Rate of Elimination of C14 Administered as BaC14O3, pp. 467-469
- J. Govaerts
- Studies on the Metabolism of Administered Cytochrome C by the Aid of Iron-Labeled Cytochrome, pp. 469-470
- Helmut Beinert
- A Noncarotene Provitamin A for Fishes, pp. 471-472
- Charles E. Lane
- Pantothenic Acid in Copper Deficiency in Rats, pp. 472-473
- Leon Singer; George K. Davis
- The Isolation of a Mucopolysaccharide from Aerobacter aerogenes, pp. 473-474
- George H. Warren
- On the Mechanism of Action of Aureomycin, p. 474
- W. F. Loomis
Comments and Communications
- Absence of Vitamin A in Liver Oil of the Brown Shark, p. 475
- F. Bruce Sanford; Kelshaw Bonham
- Radioactive Phenomena at the Hillside Mine, p. 475
- Chas. H. Dunning
- Fermentative Capacity of Lactobacilli from Carious Lesions, p. 476
- Frank J. Orland
- The Agricultural Impasse, p. 476
- Alden Potter
- Note on the Protective Action of Diparcol against Lethal Doses of Nicotine, p. 476
- P. S. Larson; C. B. Van Slyke; J. K. Finnegan; H. B. Haag
News and Notes, pp. 477-480
Previous Issue: New Series, Vol. 111, No. 2886, Apr. 21, 1950
Next Issue: New Series, Vol. 111, No. 2888, May 5, 1950
Previous Issue: New Series, Vol. 111, No. 2887, Apr. 28, 1950
Next Issue: New Series, Vol. 111, No. 2889, May 12, 1950
Front Matter, p. 502
Molecular Kinetic and Electrophoretic Properties of Bacteriophages, pp. 481-488
- Frank W. Putnam
Technical Papers
- Nucleation and Growth of Cell Colonies, pp. 489-491
- J. H. Hollomon; J. C. Fisher
- The Action Potentials Obtained from Venus's-Flytrap, pp. 491-492
- Otto Stuhlman; Edgar B. Darden
- Contamination in Orthophosphates Irradiated in a Neutron Pile, pp. 492-493
- Maurice Fried; Arnold J. MacKenzie
- Recovery of Growth Regulator from Plants Treated with 2,4-Dichlorophenoxyacetic Acid, pp. 493-494
- Robert L. Weintraub; James W. Brown; John N. Yeatman
- Tryptophane Synthesis in Insects, pp. 495-496
- Hideo Kikkawa
- An Instrument for Use in Measuring Electrical Resistance of the Skin, pp. 496-497
- Frederick G. Whelan
- Radioactive Phosphorus (P32) Used to Study Phosphate Exchange between Urine in the Renal Pelvis and Renal Calculi Containing Phosphate, pp. 498-499
- John A. Benjamin; William F. Neuman; Herbert E. Thompson; Christine Waterhouse
Comments and Communications
- The Natural Sciences Applied to Social Theory, p. 500
- John Q. Stewart
- Sir John Herschel and Contact Lenses, p. 501
- Gordon L. Walls
- A Note on Chatin and the Hypothesis that Endemic Goiter is Due to a Lack of Iodine, pp. 501-502
- Isidor Greenwald
News and Notes, pp. 503-506
Previous Issue: New Series, Vol. 111, No. 2887, Apr. 28, 1950
Next Issue: New Series, Vol. 111, No. 2889, May 12, 1950
Previous Issue: New Series, Vol. 111, No. 2888, May 5, 1950
Next Issue: New Series, Vol. 111, No. 2890, May 19, 1950
Front Matter, p. 524
Bacteriophage: An Essay on Virus Reproduction, pp. 507-511
- S. E. Luria
Technical Papers
- Tubular Crystals of Chrysotile Asbestos, pp. 512-513
- Thomas F. Bates; Leonard B. Sand; John F. Mink
- Eperythrozoon Suis n. sp. and Eperythrozoon Parvum n. sp., Two New Blood Parasites of Swine, pp. 513-514
- Earl J. Splitter
- Procedure in Dose Distribution Measurement of 25-Mev X-Rays, pp. 514-516
- J. S. Laughlin; W. D. Davies
- Antifolliculoid Activity of Vitamin A, pp. 516-517
- Raymond H. Kahn; Howard A. Bern
- Effects of 2,4-Dichloro-5-Iodophenoxyacetic Acid and Its Derivatives as Plant Growth Regulators, pp. 518-519
- P. J. Linder; J. W. Mitchell; J. W. Wood
- Centrifugation at Temperatures near Freezing, p. 520
- C. R. Stocking; T. E. Weier
- Effects of Precipitates Formed by Insulin with Hyaluronic Acid and Mucoid from Vitreous Humor in Depressing Blood-Sugar Levels, pp. 520-521
- René O. Cravioto; G. Massieu H.; J. J. Izquierdo
- Spawning of Oysters at Low Temperatures, pp. 521-522
- Victor L. Loosanoff; Harry C. Davis
- On Interspecific Hybridization in Ostrea, p. 522
- Harry C. Davis
Association Affairs
- Laurentian Hormone Conference: September 10-15, 1950, p. 523
- Report of the Special Committee on the Civil Liberties of Scientists, pp. 523-524
- E. C. Stakman
- A New Association Building, p. 524
- Howard Meyerhoff
News and Notes, pp. 525-528
Previous Issue: New Series, Vol. 111, No. 2888, May 5, 1950
Next Issue: New Series, Vol. 111, No. 2890, May 19, 1950
Previous Issue: New Series, Vol. 111, No. 2889, May 12, 1950
Next Issue: New Series, Vol. 111, No. 2891, May 26, 1950
Front Matter, p. 553
Heredity, Environment, and Politics, pp. 529-539
- T. M. Sonneborn
Technical Papers
- The Incidence of Bacteremia in Mice Subjected to Total Body X-Radiation, pp. 540-541
- C. Phillip Miller; Carolyn W. Hammond; Marianne Tompkins
- The Effect of Cobalt on the Microbial Synthesis of LLD-Active Substances, pp. 541-542
- David Hendlin; Myrle L. Ruger
- Formation of Pentose Phosphate from 6-Phosphogluconate, pp. 543-544
- Seymour S. Cohen; Dwight B. McNair Scott
- Transplantation of Rabbit Blastocysts at Late Stage: Probability of Normal Development and Viability at Low Temperature, pp. 544-545
- M. C. Chang
- Brucella Agglutinin-Blocking Phenomenon in Bovine Sera, pp. 545-546
- Charles D. Cox; Leon J. Kutner
- Water Absorption from the Atmosphere by Plants Growing in Dry Soil, pp. 546-548
- Edward C. Stone; F. W. Went; C. L. Young
- Disruption of Mitosis by Desiccated Thyroid Tissue, pp. 548-550
- Sidney Mittler; Robert H. Herman
- A Laboratory Lyophil Apparatus, pp. 550-551
- George Holzman
- Pollination of Asarum canadense L., p. 551
- Harvey E. Wildman
Comments and Communications
- Catalytic Effect of the Chromic Ion in the Barker Method for Protein-Bound Iodine Determination, p. 552
- Edward A. Carr; Dorothy E. Graham; Selma Ober; Douglas S. Riggs
- The Role of Lemmings at Point Barrow, Alaska, pp. 552-553
- Neal A. Weber
- Temperature and Man, p. 553
- James R. Kuppers; Octavio A. L. Martins
News and Notes, pp. 554-558
Previous Issue: New Series, Vol. 111, No. 2889, May 12, 1950
Next Issue: New Series, Vol. 111, No. 2891, May 26, 1950
Previous Issue: New Series, Vol. 111, No. 2890, May 19, 1950
Next Issue: New Series, Vol. 111, No. 2892, Jun. 2, 1950
Front Matter, p. 583
Science and the Study of Mankind, pp. 559-563
- Laura Thompson
Scientific Coordination in the South Pacific, pp. 564-567
- Loring G. Hudson
Technical Papers
- The Recovery of Auditory Nerve Action Potentials after Masking, pp. 567-568
- Joseph E. Hawkins; Michael Kniazuk
- The Effect of Exposure to Loud Tones upon Animal and Human Responses to Acoustic Clicks, pp. 569-571
- Walter A. Rosenblith; Robert Galambos; Ira J. Hirsh
- Identification of Estrogens by Paper Chromatography, pp. 571-572
- Erich Heftmann
- Enzymatic Activities of Isolated Normal and Mutant Mitochondria and Plastids of Higher Plants, pp. 572-574
- H. G. DuBuy; M. W. Woods; Mary D. Lackey
- The Significance of Nonclassical Statistics, pp. 574-576
- R. V. L. Hartley
- An Analysis of Multiple Counter Technique for the Measurement of Radioactive Sources Independent of Geometry, pp. 576-578
- Saul Hertz; Glenn E. Whitham; Allan MacLeod; Louis Hanopol; Arthur Miller
- Isolation of a Steroid Hormone from the Adrenal-Vein Blood of Dogs, pp. 578-579
- Don H. Nelson; Hans Reich; Leo T. Samuels
- The Effect of 2,4-Dichlorophenoxy Acetic Acid and Various Other Substances upon the Respiration of Blue Lupine Seedling Roots, pp. 579-581
- Fred R. West; James H. M. Henderson
Comments and Communications
- Prosodic Patterns and Oral Stress, pp. 582-583
- George L. Trager; Frank C. Calkins
- The Use as Test Material of Inbred Strains of Mice Having High Frequencies of Audiogenic Seizures, p. 583
- J. P. Scott
News and Notes, pp. 584-588
Previous Issue: New Series, Vol. 111, No. 2890, May 19, 1950
Next Issue: New Series, Vol. 111, No. 2892, Jun. 2, 1950
Previous Issue: New Series, Vol. 111, No. 2891, May 26, 1950
Next Issue: New Series, Vol. 111, No. 2893, Jun. 9, 1950
Front Matter, p. 614
Teaching of Science at the College Level, pp. 589-594
- Fernandus Payne
The Role of the Time Factor in Protein Synthesis, pp. 594-599
- Ernest Geiger
Technical Papers
- The Detoxification of DDT by Resistant Houseflies and Inhibition of This Process by Piperonyl Cyclonene, pp. 600-601
- A. S. Perry; W. M. Hoskins
- Biosynthesis of Radioactive Vitamin B12 Containing Cobalt60, pp. 601-602
- Louis Chaiet; Charles Rosenblum; David T. Woodbury
- Culturing Crepidula plana in Running Sea Water, pp. 602-603
- Harley N. Gould
- Egg Capsules of River Limpet Snails: Material for Experimental Biology, pp. 603-605
- Poul Bondesen
- Presence of Iodinated Amino Acids in Unhydrolyzed Thyroid and Plasma, pp. 605-608
- J. Gross; C. P. Leblond; A. E. Franklin; J. H. Quastel
- Xanthopterin Obtained from the Skins of the Yellow Mutant of Bombyx mori (Silkworm), pp. 608-609
- Y. Hirata; K. Nakanishi; H. Kikkawa
- Processing Unit for 35-mm Color Film, pp. 609-611
- O. S. Gibbs; J. R. Wilder
- Growth Regulators Prolong the Bloom of Oriental Flowering Cherries and Dogwood, p. 611
- Horace V. Wester; Paul C. Marth
Association Affairs
- Preliminary Announcement of the Cleveland Meeting, December 26-30, 1950, pp. 612-614
- Raymond L. Taylor
News and Notes, pp. 615-618
Previous Issue: New Series, Vol. 111, No. 2891, May 26, 1950
Next Issue: New Series, Vol. 111, No. 2893, Jun. 9, 1950
Previous Issue: New Series, Vol. 111, No. 2892, Jun. 2, 1950
Next Issue: New Series, Vol. 111, No. 2894, Jun. 16, 1950
Riboflavin, Light, and the Growth of Plants, pp. 619-624
- Arthur W. Galston
Technical Papers
- Static Electricity Elimination during Sectioning with a Microtome, pp. 624-625
- Oscar W. Richards; Rolland L. Jenkins
- Preparation of Nonprotein Fractions Possessing Adrenocorticotropic Activity from Sheep ACTH Protein, pp. 625-626
- I. I. Geschwind; G. P. Hess; P. G. Condliffe; B. S. Williams
- Use of a Wire Recorder for Recording Geiger-Müller Pulses, pp. 626-627
- William B. Miller
- Ultraviolet Microscopy and Microspectroscopy of Resting and Dividing Cells: Studies with a Reflecting Microscope, pp. 627-632
- Robert C. Mellors; Ruth E. Berger; Howard G. Streim
- Cataloguing of Infrared Spectra, pp. 632-633
- Carl Clark
- Colloidal Dispersion of Chloroplast Material, pp. 633-634
- H. W. Milner; N. S. Lawrence; C. S. French
- Lesions of the Coronary Arteries and Great Vessels of the Dog Following Injection of Adrenalin. Their Prevention by Dibenamine, pp. 634-635
- L. L. Waters; G. I. DeSuto-Nagy
- The Presence in Animal Organs and Human Blood of a Peptide Detected by Paper Chromatography, p. 635
- Robert Fuerst; Alton J. Landua; Jorge Awapara
Book Reviews
- ----------------, p. 636
- Science Is a Sacred Cow
- Anthony Standen
- Review author[s]: P. Morrison
- ----------------, pp. 636-637
- Brazilian Culture: An Introduction to the Study of Culture in Brazil
- Fernando De Azevedo
- Review author[s]: Robert S. Platt
- ----------------, p. 637
- Experimental Designs
- William G. Cochran; Gertrude M. Cox
- Review author[s]: F. M. Wadley
Reviewed in Brief
- ----------------, p. 637
- Surface-Active Quaternary Ammonium Germicides
- Carl A. Lawrence
- ----------------, p. 637
- The Physical Chemistry of Electrolytic Solutions
- Herbert S. Harned; Benton B. Owen
Association Affairs
- AAPG Action on the Visscher Report, p. 638
- Howard A. Meyerhoff; C. W. Tomlinson
News and Notes, pp. 639-642
Previous Issue: New Series, Vol. 111, No. 2892, Jun. 2, 1950
Next Issue: New Series, Vol. 111, No. 2894, Jun. 16, 1950
Previous Issue: New Series, Vol. 111, No. 2893, Jun. 9, 1950
Next Issue: New Series, Vol. 111, No. 2895, Jun. 23, 1950
Front Matter, p. 680
An Ethical Code for Scientists, pp. 643-647
- Ward Pigman; Emmett B. Carmichael
Catalysis and Carbonium Ions in Petroleum Formation, pp. 648-650
- Benjamin T. Brooks
Technical Papers
- Houseflies Resistant to Benzene Hexachloride, pp. 651-652
- James B. Gahan; John M. Weir
- Acceleration of Carbon Monoxide Elimination in Man by High Pressure Oxygen, pp. 652-654
- Nello Pace; Enrique Strajman; Elaine L. Walker
- Further Investigation of the Reducibility of Lyophilized Catalase, pp. 654-655
- Alexander L. Dounce; Robert R. Schwalenberg
- Methods of Preparing Bone and Tooth Samples for Viewing in the Electron Microscope, pp. 655-657
- R. A. Robinson; F. W. Bishop
- Arrest of Development of Plasmodium gallinaceum in Mosquitoes (Aedes aegypti) by Radiation Effect of P32, pp. 657-658
- P. F. Hahn; Victor H. Haas; Aimee Wilcox
- Toxicity to Mice of Chlordane Vapor and Solutions Administered Cutaneously, pp. 658-660
- Hubert Frings; Joseph E. O'Tousa
- Stability of the Adenosinetriphosphatase System in Animal Tissues, pp. 660-661
- Mona Marquette; B. S. Schweigert
- A Modern Periodic Chart of Chemical Elements, pp. 661-663
- John D. Clark
- Dry Mounts of Amphibian Cleavage Stages, p. 663
- Mychyle W. Johnson
- Rooting of Haden Mango (Mangifera indica L.) Leaf-Bud Cuttings, pp. 663-665
- M. J. Dijkman
- Niacin Content of Waxy, Sugary, and Dent F2 Segregating Kernels in Corn, pp. 665-666
- Earl R. Leng; J. J. Curtis; M. C. Shekleton
- Relation of Strength of Sediments to Water Content and Grain Size, pp. 666-667
- Parker D. Trask; Jack W. Rolston
- Interchangeable Pencil-Type Micromanipulator, pp. 667-669
- Georg v. Békésy
- An Electron Microscope Study of Isolated Nuclei of Liver Cells from Laboratory Animals, pp. 670-673
- Juan J. Angulo; John H. L. Watson
- Blood Findings in Men on a Diet Devoid of Meat and Low in Animal Protein, pp. 673-674
- Leonora Mirone
Comments and Communications
- Biologists in Military Service, pp. 675-676
- David B. Dill
- Fluorescence of Amino Acids, p. 677
- Emery M. Gal
- The Use of a Fathometer for Surveying Shellfish Areas, p. 677
- A. F. Chestnut
- The Chalkley Equation for Volume-Surface Ratios Applied to Open Figures, pp. 677-678
- Chester R. Pelto
- The Structure of the Acropeptides, p. 678
- A. Fodor; P. J. Fodor
- The Conversion of Phosphorylase A to Phosphorylase B by Blood Tryptase, p. 678
- Yen-Chieh Ting
Association Affairs
- Meeting of the Southwestern Division of the AAAS, pp. 679-680
- Howard Meyerhoff
- Program of Section G-Botanical Sciences, AAAS Cleveland Meeting, December 26-30, p. 680
- Stanley A. Cain
News and Notes, pp. 681-684
Previous Issue: New Series, Vol. 111, No. 2893, Jun. 9, 1950
Next Issue: New Series, Vol. 111, No. 2895, Jun. 23, 1950
Previous Issue: New Series, Vol. 111, No. 2894, Jun. 16, 1950
Next Issue: New Series, Vol. 111, No. 2896, Jun. 30, 1950
Concerning the Theory of Photoconductivity in Infrared-Sensitive Semiconducting Films, pp. 685-688
- E. S. Rittner
Technical Papers
- Hemolytic Activity of Some Nonionic Surface-Active Agents, pp. 688-689
- Harold N. Glassman
- The Inhibitory Effect of Three Antihistaminic Compounds on the Growth of Fungi Pathogenic for Man, pp. 689-691
- Layne E. Carson; Charlotte C. Campbell
- Triphenyltetrazolium Chloride in Tissue Culture, p. 691
- Robert J. Stein; Horace W. Gerarde
- A Modification of the Hardy-Weinberg Law, pp. 691-692
- Ray Moree
- A Simple Pulsating Perfusion Apparatus, p. 692
- J. Randolph Murray; Mervyn J. Huston
- Calorimetric Method for the Determination of the Surface Energy of a Brittle Crystalline Solid, pp. 693-694
- A. Kenneth Schellinger
- Some Derivatives of Diphenyldisulfide with Antispirochetal Activity, pp. 694-696
- P. Pratesi; L. Raffa; B. Babudieri; A. Nascimbene
- New Method for Blood Pressure Recording, p. 696
- Hjalmar Pettersson; Carl-Johan Clemedson
Comments and Communications
- Does Genetic Endowment Vary by Socioeconomic Group?, pp. 697-699
- Bernhard J. Stern; Curt Stern
- American Men of Science, p. 699
- Jaques Cattell
- Committee for Aid to Foreign Physiologists, pp. 699-700
- Milton L. Lee
- Education and Training for Oceanographers, pp. 700-703
- Vern O. Knudsen; Alfred C. Redfield; Roger Revelle; Robert R. Shrock
Book Reviews
- ----------------, p. 704
- Introduction to Radiochemistry
- Gerhart Friedlander; Joseph W. Kennedy
- Review author[s]: Robert L. Platzman
- ----------------, pp. 704-705
- The Transuranium Elements: Research Papers
- Glenn T. Seaborg; Joseph J. Katz; Winston M. Manning
- Review author[s]: Leonard I. Katzin
- ----------------, p. 705
- Traité de Zoologie: Anatomie, Systématique, Biologie: Oiseaux
- Pierre-P. Grassé
- Review author[s]: Herbert Friedmann
- ----------------, pp. 705-706
- Survey of Biological Progress
- George S. Avery
- Review author[s]: Fanny-Fern Davis
News and Notes, pp. 707-710
Previous Issue: New Series, Vol. 111, No. 2894, Jun. 16, 1950
Next Issue: New Series, Vol. 111, No. 2896, Jun. 30, 1950
Previous Issue: New Series, Vol. 111, No. 2895, Jun. 23, 1950
Next Issue: New Series, Vol. 112, No. 2897, Jul. 7, 1950
Volume Information (22 pp.)
Colloque International de Physique Theorique, Particules Fondamentales, et Noyaux: Paris, April 24-29, pp. 711-712
- F. J. Belinfante
Carl Emil Seashore, 1866-1949, pp. 713-717
- Milton Metfessel
Technical Papers
- An Agglutinin in Normal Sera for Periodate-Treated Red Cells, pp. 717-719
- Merwin Moskowitz; Henry P. Treffers
- Reduction of Mortality from X-Radiation by Treatment with Antibiotics, pp. 719-720
- C. Phillip Miller; Carolyn W. Hammond; Marianne Tompkins
- New Chemotherapeutic Agents in Enterohepatitis (Blackhead) of Turkeys, pp. 720-721
- E. Waletzky; J. H. Clark; H. W. Marson
- Effect of Adrenalectomy on Liver Catalase Activity in the Rat, pp. 721-722
- R. W. Begg; E. F. Reynolds
- An Apparatus for Localizing Warm and Cold Receptors, pp. 722-723
- W. W. Tuttle; C. D. Janney
- Hemophilia in the Female Dog, pp. 723-724
- Kenneth M. Brinkhous; John B. Graham
- Diabetogenic Effect of Dehydroglucoascorbic Acid, pp. 724-725
- John W. Patterson
Comments and Communications
- Otto Struve on the Freedom of Science, p. 726
- C. M. Huffer
- Unesco and the IUPAP, p. 726
- P. Auger
- Correction, p. 726
- Howard A. Bern
News and Notes, pp. 727-730
Previous Issue: New Series, Vol. 111, No. 2895, Jun. 23, 1950
Next Issue: New Series, Vol. 112, No. 2897, Jul. 7, 1950
Previous Issue: New Series, Vol. 111, No. 2896, Jun. 30, 1950
Next Issue: New Series, Vol. 112, No. 2898, Jul. 14, 1950
Volume Information (2 pp.)
Open Letter to the United Nations, pp. 1-6
- Niels Bohr
Technical Papers
- Pair Production and Photoelectric Effect in Scintillation Phosphors, pp. 7-9
- P. R. Bell
- Phagocytosis during Bacteremia in Mice: A Preliminary Report, pp. 9-11
- Daniel M. Eisler; E. E. Ecker
- A Method for Collecting and Sterilizing Large Numbers of Drosophila Eggs, pp. 11-12
- Michael Begg; James H. Sang
- Theory of the Electrodeposition of Metals from Aqueous Solutions, p. 12
- Colin G. Fink
- An Assay Method for the Behavioral Effects of L-Glutamic Acid, pp. 12-13
- Benson Ginsburg; Sherman Ross; Mildred J. Zamis; Agnes Perkins
- The Recombination Coefficient for the F Layer, pp. 13-14
- M. W. Jones; J. G. Jones
- Lipid Interrelationship in Health and in Coronary Artery Disease, pp. 14-16
- Menard M. Gertler; Stanley M. Garn
- Inhibition of Anaphylaxis in Guinea Pigs by D-Catechin, p. 16
- J. N. Moss; J. M. Beiler; Gustav J. Martin
- Regeneration of the Shoot Apex of Lupinus albus after Operations upon the Central Initials, pp. 16-17
- Ernest Ball
- Studies in Edema: Cholesterol and Its Relation to Protein Nitrogen in Edema Fluid, pp. 18-19
- Abraham G. White; Bernard A. Sachs
- The Urea Complexes of Unsaturated Fatty Acids, pp. 19-20
- Hermann Schlenk; Ralph T. Holman
- An Ideal Preparation for Dissection of Spinal, Peripheral, and Autonomic Nerves of the Rat, pp. 20-21
- Curt P. Richter
- Fibrinolytic Activity of Purified Thrombin, pp. 21-22
- M. Mason Guest; Arnold G. Ware
- Central Mechanisms for Recovery of Neuromuscular Function, pp. 23-24
- Herman Kabat
Comments and Communications
- A Collaborative Genetical Survey of the Human Populations of the Pacific Area, pp. 25-26
- Joseph B. Birdsell
- The Concept of "Internal Compensation", p. 26
- Kurt Mislow
- Zoological Nomenclature: A Reply, pp. 27-30
- Steering Committee
Scientific Book Register, p. 30
News and Notes, pp. 31-34
Previous Issue: New Series, Vol. 111, No. 2896, Jun. 30, 1950
Next Issue: New Series, Vol. 112, No. 2898, Jul. 14, 1950
Previous Issue: New Series, Vol. 112, No. 2897, Jul. 7, 1950
Next Issue: New Series, Vol. 112, No. 2899, Jul. 21, 1950
Control of Precipitation from Cumulus Clouds by Various Seeding Techniques, pp. 35-41
- Irving Langmuir
Technical Papers
- The Electron Microscopy of Sectioned Nerve, pp. 42-43
- George Rozsa; Councilman Morgan; Albert Szent-Györgyi; Ralph W. G. Wyckoff
- Studies on Pituitary Adrenocorticotropin, pp. 43-46
- J. B. Lesh; J. D. Fisher; I. M. Bunding; J. J. Kocsis; L. J. Walaszek; W. F. White; E. E. Hays
- Sanitary Seal for Infrared Microcells, pp. 46-47
- Mortimer M. Elkind
- Electromagnetic Enrichment of Fe58 Content and Concurrent Impoverishment of Fe54 Content in Iron, p. 47
- C. P. Keim; H. W. Savage; Boyd Weaver
- The Eosinophil Response: Immediate vs. Delayed Eosinopenia, pp. 47-49
- Jules H. Last; Paul Jordan; Isadore Pitesky; Epperson Bond
- Centrifugation as an Aid in Examining and Fixing Rotifers, p. 49
- W. T. Edmondson
- A Comparison of Meteor Activity with Occurrence of Sporadic E Reflections, pp. 50-51
- V. C. Pineo
- Polymers from Chicle, pp. 51-52
- W. Schlesinger; H. M. Leeper
- Several Effects of Maleic Hydrazide on Plants, pp. 52-53
- Rufus H. Moore
- A New Microculture Slide, p. 53
- Richard N. Shoemaker
- Absorption and Translocation of Radioactive 2,4-DI by Bean Plants as Affected by Cosolvents and Surface Agents, pp. 54-55
- John W. Mitchell; Paul J. Linder
- Effect of Bacterial Polysaccharide on Cell Division, pp. 56-57
- L. V. Heilbrunn; W. L. Wilson
- Amino Acids in High and Low Protein Corn, pp. 57-58
- R. C. Miller; L. W. Aurand; W. R. Flach
Comments and Communications
- Role of the Earth Sciences in General Education, pp. 59-60
- David M. Delo
- Compounds Capable of Plant Amylase Inhibition, p. 61
- J. F. Volker
- Discovery of Early Cretaceous Mammals and Frogs in Texas, p. 61
- Rainer Zangerl; Robert H. Denison
- Arctic Ice Drift and the Humboldt Current, pp. 61-62
- Floyd M. Soule
- Reaction Time of the Common Housefly (Musca domestica), p. 62
- Carl M. Herget
- I. Q. and Month of Birth, pp. 62-63
- Hans C. Gordon; Benjamin J. Novak
Book Reviews
- ----------------, p. 64
- Adaptation and Origin in the Plant World: The Role of Environment in Evolution
- Frederic E. Clements; Emmett V. Martin; Frances L. Long
- Review author[s]: John R. Reeder
- ----------------, pp. 64-65
- Phenomena, Atoms and Molecules
- Irving Langmuir
- Review author[s]: Karl Lark-Horovitz
- ----------------, p. 65
- Review author[s]: Francis P. Shepard
- ----------------, pp. 65-66
- Plant Pathology
- Edwin J. Butler; S. G. Jones
- Review author[s]: Clyde M. Christensen
Scientific Book Register, p. 66
News and Notes, pp. 67-70
Previous Issue: New Series, Vol. 112, No. 2897, Jul. 7, 1950
Next Issue: New Series, Vol. 112, No. 2899, Jul. 21, 1950
Previous Issue: New Series, Vol. 112, No. 2898, Jul. 14, 1950
Next Issue: New Series, Vol. 112, No. 2900, Jul. 28, 1950
Physics Research at T.R.E., pp. 71-73
- R. A. Smith
William Jackson Humphreys, pp. 74-75
- S. A. Mitchell; Edgar W. Woolard
Technical Papers
- A Simple Micromanipulator, pp. 76-77
- L. J. Manhoff; Mychyle W. Johnson
- A New Streptomycin, pp. 77-78
- Robert G. Benedict; Frank H. Stodola; Odette L. Shotwell; Anne Marie Borud; Lloyd A. Lindenfelser
- The Relation in Man between Cholesterol Levels in the Diet and in the Blood, pp. 79-81
- Ancel Keys
- Effect of Density and Average Atomic Number of the Medium on the Counting Yield of Beta and Gamma Radiation in a Solution-Type Geiger Counter, pp. 81-84
- Robert Sieh-Hsuan Chiang; John E. Willard
- The Curarelike Effect of Thiamine Hydrochloride Solution on Vagal Inhibition of the Frog Heart, p. 84
- C. G. Kadner; W. I. Dean; D. F. Chambers; R. G. Poliquin
- On the Existence of Bonds between Ossein and Inorganic Bone Fraction, pp. 84-86
- Antonio Ascenzi
- Brucella Ring Test Antigen Prepared by Reduction of a Tetrazolium Salt, p. 86
- Ronald M. Wood
- Protection of Mice against X-Radiation by Thiourea, pp. 86-87
- G. Limperos; W. A. Mosher
- Fluorescence of Mixtures of Arterenol, Epinephrine, and Phosphate, pp. 88-89
- J. H. Heller; R. B. Setlow; E. Mylon
- Biotin Deficiency as the Causative Agent of Induced Cryptorchidism in Albino Rats, p. 89
- William K. Manning
Comments and Communications
- The Civil Liberties of Scientists Report, p. 90
- Maurice B. Visscher
- On Political Oaths and Affidavits, pp. 90-91
- Harry Grundfest
- The Toxicity of Ammonia, p. 91
- Y. C. Ting
- Hydrostatic Pressure Reversal of Narcosis in Tadpoles, pp. 91-92
- Frank H. Johnson; Elizabeth A. Flagler
- Erratum, p. 92
- E. S. Rittner
- Pancreatic Changes after Injection of Intermediary Fat Metabolites, p. 92
- M. C. Nath; H. D. Brahmachari; A. Gopalkrishna
- The Donora Episode--A Reply to Clarence A. Mills, pp. 92-93
- Leslie Silverman; Philip Drinker
- Dr. Mills' Rejoinder, pp. 93-94
- Clarence A. Mills
- Proposed Uniform Endings for Names of Higher Categories in Zoological Systematics, p. 94
- H. B. Stenzel
Book Reviews
- ----------------, p. 95
- Classical Mechanics
- Herbert Goldstein
- Review author[s]: S. L. Quimby
- ----------------, pp. 95-96
- Review author[s]: H. B. Vickery
- ----------------, p. 96
- Advances in Electronics
- L. Marton
- Review author[s]: Karl Lark-Horovitz
Scientific Book Register, p. 96
News and Notes, pp. 97-100
Previous Issue: New Series, Vol. 112, No. 2898, Jul. 14, 1950
Next Issue: New Series, Vol. 112, No. 2900, Jul. 28, 1950
Previous Issue: New Series, Vol. 112, No. 2899, Jul. 21, 1950
Next Issue: New Series, Vol. 112, No. 2901, Aug. 4, 1950
Astrochemical Problems in the Formation of the Earth, pp. 101-104
- Wendell M. Latimer
August Krogh: 1874-1949, pp. 105-107
- Cecil K. Drinker
Technical Papers
- A Limitation on the Ultracentrifuge Separation-Cell Technique, pp. 107-109
- S. J. Singer; Albert Siegel
- Germaniferous Lignite from the District of Columbia and Vicinity, p. 109
- Taisia Stadnichenko; K. J. Murata; J. M. Axelrod
- Rapid Carbon Dioxide Test for Sickling, pp. 109-110
- Harold A. Hanno; M. Price Margolies
- To What Extent Is Oxygen Uptake of the Intact Embryo Related to That of Its Homogenate?, pp. 110-111
- Joseph Hall Bodine
- Effect of Zinc Deficiency on the Synthesis of Tryptophan by Neurospora Extracts, pp. 111-112
- Alvin Nason
- Vitamin P Protection against Radiation, pp. 112-113
- Boris Sokoloff; James B. Redd; Raymond Dutcher
- Likelihood of Photorespiration or Light-Inhibited Respiration in Green Plants, pp. 113-115
- Edwin A. Davis
- Enzymic Conversion of Maltose into Unfermentable Carbohydrate, pp. 115-117
- S. C. Pan; A. A. Andreasen; Paul Kolachov
- Activation of Arginase in vitro by Mouse Carcass Extract and the Cobalt Ion, pp. 117-118
- O. B. Wiswell
- Further Study of the Role of Hyaluronidase in the Fertilization of Rabbit Ova in vivo, pp. 118-119
- M. C. Chang
- A Simple Staining Technique for Detecting Virus Diseases in Some Woody Plants, pp. 119-120
- R. C. Lindner; H. C. Kirkpatrick; T. E. Weeks
- Biological Experiments on Drosophila melanogaster with Supersonic Vibrations, pp. 120-122
- Hedi Fritz-Niggli; Albert Böni
- A Simplified Method of Lyophilizing Microorganisms, pp. 122-123
- R. W. Barratt; E. L. Tatum
Comments and Communications
- Planchets for Radioactive Material, p. 124
- Charles C. Hassett; Joey M. Pirrung
- Note on the Freezing Point of Citrate Solutions Used in the Dilution of Bull's Semen, pp. 124-125
- R. Aschaffenburg
- A Simple Method for Opening Quartz Capsules Containing Radioactive Materials, p. 125
- H. H. Coburn; C. C. Roan
- Water-Soluble Riboflavin Derivative, pp. 125-126
- Karl Schoen; Samuel M. Gordon
- Erratum, p. 126
- Leon Singer; George K. Davis
- Foreign Publications in the Field of Organic Chemistry, p. 126
- Leopold Ruzicka
- Use of Dried Hemoglobin in the Assay of Pepsin, p. 126
- Jacinto Steinhardt
Book Reviews
- ----------------, p. 127
- The Chemical Elements and Their Compounds
- N. V. Sidgwick
- Review author[s]: Glenn T. Seaborg
- ----------------, pp. 127-128
- Elementary Pile Theory
- Harry Soodak; Edward C. Campbell
- Review author[s]: S. DeBenedetti
- ----------------, p. 128
- The Theory of Atomic Collisions
- N. F. Mott; H. S. W. Massey
- Review author[s]: Robert L. Platzman
Scientific Book Register, p. 128
News and Notes, pp. 129-132
Previous Issue: New Series, Vol. 112, No. 2899, Jul. 21, 1950
Next Issue: New Series, Vol. 112, No. 2901, Aug. 4, 1950
Previous Issue: New Series, Vol. 112, No. 2900, Jul. 28, 1950
Next Issue: New Series, Vol. 112, No. 2902, Aug. 11, 1950
Manpower for Research and Development, pp. 133-137
- Ralph M. Hogan
A Radiation Meter for Disaster Use, pp. 137-140
- C. C. Lauritsen; T. Lauritsen
Technical Papers
- Cross Tolerances in Resistant Houseflies, pp. 141-142
- John J. Pratt; Frank H. Babers
- A Semiautomatic Injection Apparatus for Use with Radioactive Solutions, pp. 142-143
- Margaret W. Holt
- The Informational Capacity of the Human Ear, pp. 143-144
- Homer Jacobson
- The Effect of Aureomycin on Endamoeba histolytica in vitro, pp. 144-147
- Redginal Hewitt; Wyeth Wallace; Elizabeth White
- Precipitation of Menstrual Bleeding in Monkeys by a Folic Acid Antagonist, p. 147
- M. X. Zarrow; F. L. Hisaw; H. A. Salhanick
- Fat Deposits in the Kidney in Chronic Intoxication of the Dog by Hexachlorocyclohexane, p. 148
- M. J. Dallemagne; M. A. Gerebtzoff; E. Philippot
- A Simple Apparatus for Multiple Uniform Intravenous Injections, pp. 148-149
- Elliott F. Osserman; Arthur D. Mack
- Plasma Concentrations of p-Aminosalicylic Acid (PAS) Increased by p-(Di-n-propylsulfamyl)Benzoic Acid, pp. 149-150
- William P. Boger; Forrest W. Pitts
- The Composition of Meconium: Isolation of Blood-Group-Specific Polysaccharides. Abnormal Composition of Meconium in Meconium ileus, pp. 150-153
- S. Rapoport; Dorothy J. Buchanan
- Taste Reactions to Antithyroid Substances, p. 153
- William C. Boyd
Comments and Communications
- Dimenhydrinate vs. Diphenhydramine, p. 154
- Leonard Mitchell
- On the Theory of Odors, pp. 154-155
- G. B. Kistiakowsky
- Errata: Hemophilia in the Female Dog, p. 155
- Errata: The Availability of Various Manganese Oxides to Plants, p. 155
Book Reviews
- ----------------, p. 155
- Review author[s]: George Gamow
- ----------------, pp. 155-156
- Lehrbuch der Theoretischen Physik: Physik der Vorgänge-Bewegung, Elektrizität, Licht, Wärme
- Walter Weizel
- Review author[s]: G. G. Harvey
Scientific Book Register, p. 156
News and Notes, pp. 157-160
Previous Issue: New Series, Vol. 112, No. 2900, Jul. 28, 1950
Next Issue: New Series, Vol. 112, No. 2902, Aug. 11, 1950
Previous Issue: New Series, Vol. 112, No. 2901, Aug. 4, 1950
Next Issue: New Series, Vol. 112, No. 2903, Aug. 18, 1950
Cellular Opacity and the Activity of Chloroplast Pigments in Photosynthesis, pp. 161-164
- Harold H. Strain
Concerning the Measurement of pH, Ion Activities, and Membrane Potentials in Colloidal Systems, pp. 164-167
- H. Jenny; T. R. Nielsen; N. T. Coleman; D. E. Williams
Technical Papers
- Chemical Composition of the Vitelline Membrane of Ascaris lumbricoides var. suis, pp. 167-168
- Richard W. Timm
- Effect of Trace Minerals on Growth and Fattening of Swine, pp. 168-169
- Earle W. Klosterman; W. E. Dinusson; Earl L. Lasley; M. L. Buchanan
- Evidence of a Homing Instinct in the Bermuda Spiny Lobster, pp. 169-170
- Edwin P. Creaser; Dorothy Travis
- Acetaldehyde Accumulation in Excised Wheat Roots Induced by Plant Growth Substances, pp. 170-172
- James F. Nance; Leon W. Cunningham
- Antimycin A, An Antibiotic with Insecticidal and Miticidal Properties, pp. 172-173
- George S. Kido; E. Spyhalski
- The Solubility of Fibrin Clots Produced by Thrombin and by Snake Venom, pp. 173-174
- B. Jánszky
- Effect of Evisceration on Renal Glycogen, pp. 174-175
- Clarence Cohn; Bertram Katz; Pauline Cohn
- The Effect of Exercise upon the Lethality of Roentgen Rays for Rats, pp. 175-176
- D. J. Kimeldorf; D. C. Jones; M. C. Fishler
- Adaptive Production of Amylase and Lipase by Three Species of Fungi, pp. 176-179
- J. J. Goodman
- Determination of Circulating Red Cell Volume by Radioactive Chromium, pp. 179-180
- Seymour J. Gray; Kenneth Sterling
Comments and Communications
- Failure of Vitamin B12 to Promote Growth of Premature Infants, p. 181
- Daniel F. Downing
- Effect of Tricaine Methanesulfonate on the Determination of Sulfonamides, pp. 181-182
- S. B. Friddle; S. F. Snieszko
Book Reviews
- ----------------, p. 182
- Einfübrung in die Kernphysik
- Wolfgang Riezler
- Review author[s]: E. Bleuler
- ----------------, p. 182
- Kleine Raketenkunde
- Hans K. Kaiser
- Review author[s]: Willy Ley
News and Notes, pp. 183-186
Previous Issue: New Series, Vol. 112, No. 2901, Aug. 4, 1950
Next Issue: New Series, Vol. 112, No. 2903, Aug. 18, 1950
Previous Issue: New Series, Vol. 112, No. 2902, Aug. 11, 1950
Next Issue: New Series, Vol. 112, No. 2904, Aug. 25, 1950
Use of Blood Groups in Human Classification, pp. 187-196
- William C. Boyd
Technical Papers
- Nitrogen Fixation by the Green and Purple Sulfur Bacteria, pp. 197-198
- E. S. Lindstrom; Shirley R. Tove; P. W. Wilson
- Windowless, Flow Type, Proportional Counter for Counting C14, pp. 198-199
- C. V. Robinson
- Preliminary Report on a Device for the Objective Measurement of the Negative Afterimage Phenomenon, pp. 199-201
- H. Lehmann
- A Preliminary Investigation of the Relationship between Visual Fusion of Intermittent Light and Intelligence, pp. 201-203
- Wilson P. Tanner
- Studies on the Mechanism of Nitrate Assimilation in Neurospora, pp. 203-204
- Gabriel de la Haba
- A New Hemolytic Agent for the Manometric Determination of the Oxygen Content of Blood, p. 205
- Marvin J. Yiengst
- Radioautographs of Frog Membrane, pp. 205-206
- Russell E. Lux; Paul M. Scott; John E. Christian
- Action of Bacterial Toxins on the "Fragility" of Chicken Erythrocytes, pp. 206-207
- F. R. Hunter; June Rawley; Jane A. Bullock; Howard W. Larsh
Book Reviews
- ----------------, p. 208
- Progress in the Chemistry of Organic Natural Products
- L. Zechmeister
- Review author[s]: H. B. Hass
- ----------------, p. 208
- The Effects of Atomic Weapons
- Samuel Glasstone
- Review author[s]: Howard L. Andrews
News and Notes, pp. 209-214
Previous Issue: New Series, Vol. 112, No. 2902, Aug. 11, 1950
Next Issue: New Series, Vol. 112, No. 2904, Aug. 25, 1950
Previous Issue: New Series, Vol. 112, No. 2903, Aug. 18, 1950
Next Issue: New Series, Vol. 112, No. 2905, Sep. 1, 1950
Adaptation to Caloric Restriction, pp. 215-218
- Henry Longstreet Taylor; Ancel Keys
Meetings of the A.A.A.S. and A.I.B.S.: A Joint Statement, pp. 219-220
- Clarence J. Hylander; Howard A. Meyerhoff; Raymond L. Taylor
Technical Papers
- Nucleodepolymerase Activity of Precancerous Rat Liver, p. 221
- Antonio Cantero; Roger Daoust; Gaston de Lamirande
- Determination of DDT by Bioassay, pp. 222-223
- C. Pagan; R. H. Hageman
- Tyrosinase in Human Skin: Demonstration of Its Presence and of Its Role in Human Melanin Formation, pp. 223-225
- Thomas B. Fitzpatrick; S. William Becker; A. Bunsen Lerner; Hamilton Montgomery
- Zinc Precipitation of Plasmin, pp. 225-226
- John H. Kay
- A Simple Technique for Observing Carotid and Brachial Artery Pulse, p. 226
- James W. Benjamin; Louis A. Susca
- Cretaceous Rocks in the Kamishak Bay Area, Cook Inlet, Alaska, pp. 226-227
- John C. Hazzard; Joseph J. Bryan; Eugene Borax; Richard Shoemaker
- Lower Cretaceous Rocks at Cape Kaguyak North of Kukak Bay, Alaska, p. 227
- John C. Hazzard
- Measurement of Ion Migration on Paper in an Electric Field. Transference Numbers of Nickel and Copper Sulfates, pp. 227-229
- Hugh J. McDonald; Matthew C. Urbin; Martin B. Williamson
- Penetration of Benzpyrene into the Stomach Wall of Mouse, pp. 229-231
- Kai Setälä; Per Ekwall
- Oxygen Consumption and Radiophosphate Uptake by Minced Brain from Mice of Different Ages in Relation to Propagation of Mouse Encephalomyelitis Virus, pp. 231-232
- Max E. Rafelson; Harold E. Pearson; Richard J. Winzler
Comments and Communications
- The Study of Disordered Systems, pp. 233-234
- John C. Neess; C. H. Goulden; N. T. Gridgeman
Book Reviews
- ----------------, p. 235
- Medical Physics
- Otto Glasser
- Review author[s]: Henry Eyring
- ----------------, pp. 235-236
- Microbiologie du Sol: Problèmes et Méthodes
- S. Winogradsky
- Review author[s]: R. E. Hungate
Scientific Book Register, p. 236
Association Affairs
- Salt Lake City Meeting of the Pacific Division, pp. 236-237
- Robert C. Miller
- Hotel Reservations and Advance Registration, Cleveland Meeting, December 26-30, 1950, p. 238
News and Notes, pp. 239-242
Previous Issue: New Series, Vol. 112, No. 2903, Aug. 18, 1950
Next Issue: New Series, Vol. 112, No. 2905, Sep. 1, 1950
Previous Issue: New Series, Vol. 112, No. 2904, Aug. 25, 1950
Next Issue: New Series, Vol. 112, No. 2906, Sep. 8, 1950
Problems in Statistical Analyses of Geophysical Time Series, pp. 243-246
- H. R. Seiwell
A. E. V. Richardson: 1883-1949, p. 247
- G. A. Cook
Technical Papers
- The Influence of Glutamic Acid on Test Performance, pp. 248-250
- D. G. Ellson; Paul R. Fuller; Robert Urmston
- The Measurement of Radioactive Hydrogen in Solid Samples--Comparison with Gas Counting, pp. 250-251
- Maxwell Leigh Eidinoff; Joseph E. Knoll
- A Maternal Influence on the Incorporation of Methionine into Liver Protein, p. 252
- Robert J. Rutman
- Phenylhydrazine Oxalate as "Trapping Agent" for the Simultaneous Fixation of Intermediate Products in Lactic Acid Fermentation with Living Cells, pp. 252-254
- V. Bolcato
- The Experimental Feeding of Parathion to Dairy Cows, pp. 254-255
- Paul A. Dahm; F. C. Fountaine; Joseph E. Pankaskie
- A Rational Method for Calculating Colloid Osmotic Pressure of Serum, pp. 255-256
- Russell H. Kesselman
- Decreased "Hunger" but Increased Food Intake Resulting from Hypothalamic Lesions, pp. 256-259
- Neal E. Miller; Clark J. Bailey; James A. F. Stevenson
Comments and Communications
- "Funginert"--A Designation for Inherently Fungus-Resistant Material, pp. 259-260
- Walter N. Ezekiel
- Quantum Theory and Phytoplankton Photosynthesis, p. 260
- Jacob Verduin
- Our Decelerating Planet, p. 260
- Paul D. Harwood
News and Notes, pp. 261-264
Previous Issue: New Series, Vol. 112, No. 2904, Aug. 25, 1950
Next Issue: New Series, Vol. 112, No. 2906, Sep. 8, 1950
Previous Issue: New Series, Vol. 112, No. 2905, Sep. 1, 1950
Next Issue: New Series, Vol. 112, No. 2907, Sep. 15, 1950
Coverage of Scientific Personnel in American Men of Science, Eighth Edition, pp. 265-266
- M. H. Trytten
The Biological Synthesis of "Labile Methyl Groups", pp. 267-271
- Vincent du Vigneaud; Charlotte Ressler; Julian R. Rachele
Technical Papers
- Selective Inhibition of Brain Respirations by Benadryl, pp. 272-273
- Edith M. Carlisle; Frederick Crescitelli
- Ammoniated Dentifrices and Hamster Caries: The Effect of Ingestion, pp. 273-274
- D. S. Chernausek; David F. Mitchell
- Chloromycetin in the Treatment of "Red Leg", pp. 274-275
- Stuart W. Smith
- A Diploid Form of Medicago sativa L, pp. 275-277
- J. L. Bolton; J. E. R. Greenshields
- Quantitative Aspects of the Action of Insulin on the Glucose and Potassium Metabolism of the Isolated Rat Diaphragm, pp. 277-278
- A. F. Willebrands; J. Groen; Chr. E. Kamminga; J. R. Blickman
- A Method for Silver Staining of Nerve Fibers in Whole-Mount Preparations of Blood Vessels, pp. 278-279
- Edward H. Polley
- Molluscan Shells as a Practical Source of Uroporphyrin I, pp. 279-280
- Alex Comfort
- Recent Patterns of Employment and Unemployment, pp. 280-282
- Nathan Morrison
Comments and Communications
- On the Persistence of 2,4-D in Plant Tissue, pp. 282-283
- H. B. Tukey
- Concept of Complementarities, p. 283
- Jerome Alexander; A. M. Schechtman; Toshiko Nishihara
- Our Flat Planet, pp. 283-284
- W. A. Rockie
Book Reviews
- ----------------, p. 284
- Review author[s]: Malcolm H. Soule
Reviewed in Brief
- ----------------, p. 284
- Research in Medical Science
- David E. Green; W. Eugene Knox
- ----------------, p. 284
- The Nature of Natural History
- Marston Bates
News and Notes, pp. 285-288
Previous Issue: New Series, Vol. 112, No. 2905, Sep. 1, 1950
Next Issue: New Series, Vol. 112, No. 2907, Sep. 15, 1950
Previous Issue: New Series, Vol. 112, No. 2906, Sep. 8, 1950
Next Issue: New Series, Vol. 112, No. 2908, Sep. 22, 1950
Self-Awareness and Scientific Method, pp. 289-293
- George F. F. Lombard
Clifford Dobell, F.R.S.: 1886-1949, p. 294
- Gordon H. Ball
Technical Papers
- The Influence of ACTH and Cortisone on Certain Factors of Blood Coagulation, pp. 295-297
- R. W. Smith; R. R. Margulis; M. J. Brennan; R. W. Monto
- The Nucleus-Dependence of P32 Uptake by the Cell, pp. 297-299
- Daniel Mazia; Henry I. Hirshfield
- The Use of a Radioactive Isotope in Determining the Retention and Initial Distribution of Airborne Bacteria in the Mouse, pp. 299-300
- L. J. Goldberg; W. R. Leif
- The Intracellular Distribution in Rabbit Liver of Injected Antigens Labeled with I131, pp. 300-302
- Charles F. Crampton; Felix Haurowitz
- The Differential Induction of Lethal Mutations by Formalin in the Two Sexes of Drosophila, pp. 302-303
- Irwin H. Herskowitz
- Lethal Mutation Rate in Drosophila Treated with 20-Methylcholanthrene, pp. 303-306
- Walter J. Burdette
- Arylcycloalkylamines, p. 306
- Alfred Burger; C. Robert Walter; William B. Bennet; Lennox B. Turnbull
- Crystalline + Chromogen Obtained from Bombyx mori, pp. 307-308
- Y. Hirata; K. Nakanishi; H. Kikkawa
- Addendum: Xanthopterin Obtained from the Skins of the Yellow Mutant of Bombyx mori (Silkworm), p. 308
- Built-Up Poultry-House Litter as a Growth-Promoting Supplement for Chicks on an All-Vegetable Vitamin B12-Deficient Diet, pp. 308-309
- E. R. Halbrook; A. R. Winter; T. S. Sutton
- Preliminary Results on the Crystal Structure of Some Ammonium Salts with Substituted Aliphatic Chains, p. 309
- G. L. Clark; C. R. Hudgens
- Growth Layers on the Teeth of Pinnipedia as an Indication of Age, pp. 309-311
- Victor B. Scheffer
Comments and Communications
- A Commentary on Structural Variation in Conifer Wood, p. 312
- R. D. Preston
- Maximal Consumption of Ethyl Alcohol, pp. 312-313
- Ernest Beerstecher
- Textbooks and Courses in General Biology, pp. 313-314
- Osmond P. Breland; M. W. DE Laubenfels
Book Reviews
- ----------------, p. 315
- Geochemistry: A Survey of the Chemistry of the Earth
- Kalervo Rankama; Th. G. Sahama
- Review author[s]: L. H. Adams
- ----------------, pp. 315-316
- Physical Methods in Chemical Analysis
- Walter G. Berl
- Review author[s]: K. W. Meissner
- ----------------, p. 316
- Review author[s]: P. W. Bridgman
- ----------------, pp. 316-317
- Heterocyclic Compounds: Three-, Four-, Five-, and Six- Membered Monocyclic Compounds Containing One O, N, and S Atom
- Robert C. Elderfield
- The Chemistry of Heterocyclic Compounds: The Heterocyclic Derivatives of Phosphorus, Arsenic, Antimony, Bismuth, and Silicon
- Frederick George Mann
- Review author[s]: C. Kenneth Banks
- ----------------, pp. 317-318
- Natural Regions of the U.S.S.R.
- L. S. Berg
- Review author[s]: Joseph E. Williams
Reviewed in Brief
- ----------------, p. 318
- ----------------, p. 318
- The Practice of Medicine
- Jonathan Campbell Meakins
Scientific Book Register, p. 318
News and Notes, pp. 319-324
Previous Issue: New Series, Vol. 112, No. 2906, Sep. 8, 1950
Next Issue: New Series, Vol. 112, No. 2908, Sep. 22, 1950
Previous Issue: New Series, Vol. 112, No. 2907, Sep. 15, 1950
Next Issue: New Series, Vol. 112, No. 2909, Sep. 29, 1950
A Method for the Investigation of Somatic Response Mechanisms in Psychoneurosis, pp. 325-328
- Robert B. Malmo; Charles Shagass; John F. Davis
Technical Papers
- Penetration of Trypsin through Formvar Films, pp. 329-330
- H. J. Trurnit
- On the Interaction of Protein Films, pp. 330-331
- Alexandre Rothen
- The Cytological Effects of Low-Intensity Radiation, pp. 332-333
- Karl Sax
- A Comparison of the Response of Normal and Hypothyroid Mice to Acute Whole Body Roentgen Radiation, pp. 333-334
- Thomas J. Haley; Samuel Mann; Andrew H. Dowdy
- Biological Studies on Cortisone in Mice, pp. 335-337
- David M. Spain; Norman Molomut; Alvin Haber
- Additional Confirmatory Evidence of the Rediscovery of the Old Italian Varnish, pp. 337-338
- Joseph Michelman
- Summer Growth of the American Oyster in Florida Waters, pp. 338-339
- Robert M. Ingle
- A Micromacerator, pp. 339-340
- Allan A. Katzberg
- Relationship between Glomerular Filtration Rate and Urine Flow in the Rabbit, pp. 340-341
- S. E. Dicker; H. Heller
- Electrometric Correlates of the Hypnotic State, pp. 341-342
- Leonard J. Ravitz
Comments and Communications
- Are Nonflying Wings Functionless?, p. 342
- G. G. Simpson
- The Systema naturae of the Twentieth Century, pp. 342-343
- Anton Fr. Bruun
Book Reviews
- ----------------, pp. 343-344
- Numerical Solutions of Differential Equations
- H. Levy; E. A. Baggott
- Review author[s]: Harry Polachek
- ----------------, p. 344
- History of Physics
- Max Von Laue; Ralph Oesper
- Joseph Henry: His Life and Work
- Thomas Coulson
- Review author[s]: Henry Guerlac
News and Notes, pp. 345-348
Previous Issue: New Series, Vol. 112, No. 2907, Sep. 15, 1950
Next Issue: New Series, Vol. 112, No. 2909, Sep. 29, 1950
Previous Issue: New Series, Vol. 112, No. 2908, Sep. 22, 1950
Next Issue: New Series, Vol. 112, No. 2910, Oct. 6, 1950
Scientists and Mobilization, pp. 349-352
- Wadsworth Likely
Charles Taylor Vorhies: 1879-1949, pp. 352-353
- Allan R. Phillips
Gregory B. Mathews, S.V.D.: 1903-1949, p. 353
- Harold W. Rigney
Technical Papers
- Vitamin B12: The Identification of Vitamin B12 as a Cyano-Cobalt Coordination Complex, p. 354
- Norman G. Brink; Frederick A. Kuehl; Karl Folkers
- Vitamin B12: Reactions of Cyano-Cobalamin and Related Compounds, pp. 354-355
- Edward A. Kaczka; D. E. Wolf; Frederick A. Kuehl; Karl Folkers
- Preliminary Report of X-Ray Effects on the Nematode Rhabditis strongyloides, pp. 356-357
- Lyell J. Thomas; Henry Quastler
- The Order of Utilization of Phosphorus Compounds in the Egg by the Chick Embryo, pp. 357-358
- Herman Branson; Martin Brooks; Pauline F. Piper
- A Paper Chromatographic Study of Ferritin and Apoferritin Hydrolysates, pp. 358-359
- Beverly Wescott Gabrio; Garson H. Tishkoff
- Mass Mortality of Fish Associated with the Protozoan Gonyaulax in the Gulf of Mexico, pp. 359-363
- Cecil H. Connell; Joy Barnes Cross
- The Synthesis of L-Ascorbic Acid Uniformly Labeled with C14, p. 363
- Aksel A. Bothner-By; Martin Gibbs; R. Christian Anderson
Comments and Communications
- Statement on Atomic Energy Commission Fellowship, pp. 364-365
- Barbara J. Bachmann
- Nomenclature of the Rh-CDE System, p. 365
- Albert Einheber; I. Davidsohn; Stanley Marcus; William J. Kuhns; Clifford I. Argall
- Nomenclature of the Rh-CDE System, pp. 365-366
- Albert Einheber; I. Davidsohn; Stanley Marcus; William J. Kuhns; Clifford I. Argall
- Developments in Oceanography, p. 366
- Dale F. Leipper
- Chelating Agents and Urinary Calculi, p. 367
- Benjamin Kissin; Samuel Natelson
- Steric Effects in Bimolecular Eliminations, p. 367
- C. H. Schramm
Book Reviews
- ----------------, p. 368
- Volcanological Observations
- Frank Alvord Perret
- Review author[s]: Frederick H. Pough
- ----------------, pp. 368-369
- Steroid Hormones and Tumors: Tumorigenic and Antitumorigenic Actions of Steroid Hormones and the Steroid Homeostasis
- Alexander Lipschutz
- Review author[s]: W. U. Gardner
- ----------------, p. 369
- Histology
- Arthur Worth Ham
- Review author[s]: A. J. Ramsay
- ----------------, p. 369
- Nuclear Physics: A Textbook
- Francis Bitter
- Review author[s]: R. L. Gluckstern; G. Breit
Scientific Book Register, p. 370
News and Notes, pp. 371-376
Previous Issue: New Series, Vol. 112, No. 2908, Sep. 22, 1950
Next Issue: New Series, Vol. 112, No. 2910, Oct. 6, 1950
Previous Issue: New Series, Vol. 112, No. 2909, Sep. 29, 1950
Next Issue: New Series, Vol. 112, No. 2911, Oct. 13, 1950
Instrumentation for Radioactivity, pp. 377-381
- George F. Pieper
The Reflecting Microscope, pp. 381-389
- Robert C. Mellors
Amplifying and Intensifying the Fluoroscopic Image by means of a Scanning X-Ray Tube, pp. 389-395
- Robert J. Moon
The Relations between Symbolic Logic and Large-Scale Calculating Machines, pp. 395-399
- Edmund C. Berkeley
The Traveling-Wave Linear Accelerator, pp. 399-400
- E. R. Wiblin
Technical Papers
- Preparation of Radioactive Glass Beads, pp. 400-402
- Walter Kisieleski; George Svihla; Austin M. Brues
- Convenient Method of Mounting Sintered Glass Filters, pp. 402-403
- Igor N. Asheshov
- Standard Measures and the Economical Production of Graphs and Figures, pp. 403-404
- Sterling P. Fergusson
- A Miniature Pressure-Recording Device, pp. 404-405
- Otto H. Gauer; Erich Gienapp
- The Use of Thick Paper for Chromatography, pp. 405-406
- J. Howard Mueller
- Preparation of Thin Films of Crystalline DDT and γ -Hexachlorocyclohexane in Celloidin, pp. 406-407
- D. P. Pielou
- X-Radiation from Electron Microscopes, pp. 407-409
- John H. L. Watson; Luther E. Preuss
- A Low-Temperature Incubator, p. 409
- Joseph C. Picken; Wallace R. Bauriedel
Book Reviews
- ----------------, p. 410
- Review author[s]: Robert E. Torley
- ----------------, pp. 410-411
- Das Polarisationsmikroskop als Messinstrument in Biologie und Medizin
- Hans H. Pfeiffer
- Chemische Spektralanalyse
- Wolfgang Seith; Konrad Ruthardt
- Review author[s]: K. W. Meissner
- ----------------, p. 411
- Industrial Instrumentation
- Donald P. Eckman
- Review author[s]: Walter P. Wills
- ----------------, p. 411
- Review author[s]: Robert D. Heidenreich
- ----------------, p. 412
- Biophysical Research Methods
- Fred M. Uber
- Review author[s]: Herbert Shapiro
News and Notes, pp. 413-418
Previous Issue: New Series, Vol. 112, No. 2909, Sep. 29, 1950
Next Issue: New Series, Vol. 112, No. 2911, Oct. 13, 1950
Previous Issue: New Series, Vol. 112, No. 2910, Oct. 6, 1950
Next Issue: New Series, Vol. 112, No. 2912, Oct. 20, 1950
The National Academy of Sciences: Abstracts of Papers Presented at the Autumn Meeting, October 9-12, 1950, pp. 419-429
Technical Papers
- Effectiveness of Cortisone Administered Orally, p. 429
- R. H. Freyberg; C. T. Traeger; C. H. Adams; T. Kuscu; H. Wainerdi; I. Bonomo
- Cytological Changes in Human Hypophyses after Cortisone and ACTH Treatment, pp. 429-430
- Gert L. Laqueur
- On the Pigments of Allescheria boydii, pp. 430-431
- Gilberto G. Villela; Amadeu Cury
- The Coloration of the Tail Tip of Young Fer-de-Lances: Sexual Dimorphism rather than Adaptive Coloration, pp. 431-433
- W. Leslie Burger; Philip W. Smith
- Molybdenum Deficiency in Dunkirk Silty Clay Loam, pp. 433-434
- G. J. Raleigh
- A Simple Apparatus for Producing Droplets of Uniform Size from Small Volumes of Liquids, pp. 434-436
- W. B. Ennis; David T. James
- Preparation of Nonprotein Fractions Possessing Adrenocorticotropic Activity from Fresh Sheep Pituitary Glands, pp. 436-437
- I. I. Geschwind; G. P. Hess; P. G. Condliffe; H. M. Evans; M. E. Simpson
- Simple Calibrator for Warburg Respirometers, pp. 437-438
- P. F. Scholander; H. Niemeyer; C. Lloyd Claff
- Anodic Decalcification of Mineralized Tissue, pp. 438-439
- Jack De Ment; Ellis B. Jump
- Reactions with 9-Anthraldehyde, p. 440
- Ahmed Mustafa
Book Reviews
- ----------------, pp. 441-442
- The Yeast Cell, Its Genetics and Cytology
- Carl C. Lindegren
- Review author[s]: Walter J. Nickerson
- ----------------, p. 442
- Therapeutische Chemie: Arznei- und Desinfektionsmittel zur Bekampfung von Infektionskrankheiten
- Theodor Wagner-Jauregg
- Review author[s]: Windsor C. Cutting
Scientific Book Register, p. 442
News and Notes, pp. 443-446
Previous Issue: New Series, Vol. 112, No. 2910, Oct. 6, 1950
Next Issue: New Series, Vol. 112, No. 2912, Oct. 20, 1950
Previous Issue: New Series, Vol. 112, No. 2911, Oct. 13, 1950
Next Issue: New Series, Vol. 112, No. 2913, Oct. 27, 1950
The National Academy of Sciences: Abstracts of Papers Presented at the Autumn Meeting, October 9-12, 1950, pp. 447-456
Technical Papers
- The Hemolytic and Antihemolytic Activities of Various Centrifugally Separated Fractions of Adult and Fetal Liver Cells, pp. 456-459
- David B. Tyler
- Methanol Precipitation of Influenza Virus, pp. 459-460
- Arden W. Moyer; George R. Sharpless; Maurice C. Davies; Kenneth Winfield; Herald R. Cox
- A Sex-Linked Lethal Gene in the Fowl, pp. 460-461
- K. Goodwin; F. B. Hutt; R. K. Cole
- A Precision Method of Counting Radioactive Liquid Samples, pp. 461-463
- Arthur J. Freedman; David N. Hume
- Effects of Ultrasonic Waves and Nitrous Acid on the Production of Colloidal Sulfur, pp. 463-465
- Shichiro Akiya; Otohiko Nomoto; Seiichi Okui
- A Simplified Recording Bubble Flow Meter, pp. 465-467
- William G. Hammond; Chester Hyman; Thomas E. Nelson
- Molecular Configuration and Biological Activity of Substances Resembling Acetylcholine, pp. 467-469
- J. H. Welsh; R. Taub
- The Photochemical Action of Ultraviolet Light on the Absorption Spectra of Nucleic Acid and Related Substances, pp. 469-471
- David Rapport; Attilio Canzanelli
- Contact Potentials of Evaporated Iron Films in Air and in Nitrogen at Low Pressure, p. 471
- Norman Hackerman; Leland L. Antes
- Improved Technique for Weighing Tissues with the Cartesian Diver, pp. 471-473
- Jay A. Smith; Melvin Post
- On the Structure of Morphine and Its Derivative Metopon, p. 473
- Lewis J. Sargent; Lyndon F. Small
- Streaming Birefringence of Denatured Ovalbumin, pp. 473-474
- Joseph F. Foster; Edward G. Samsa
Comments and Communications
- Taste Reactions to Antithyroid Substances, p. 475
- H. Kalmus; R. Ruggles Gates
- The Big Lie, pp. 475-476
- Nathaniel Kleitman
- Stress and Meaning, p. 476
- W. F. Dearborn; P. W. Johnston; L. Carmichael
- Stress and Meaning, p. 476
- W. F. Dearborn; P. W. Johnston; L. Carmichael
Book Reviews
- ----------------, p. 477
- Review author[s]: Fred L. Whipple
- ----------------, pp. 477-478
- Electronic Mechanisms of Organic Reactions
- Allan R. Day
- Review author[s]: John D. Roberts
- ----------------, p. 478
- Review author[s]: Barry Commoner
News and Notes, pp. 479-488
Previous Issue: New Series, Vol. 112, No. 2911, Oct. 13, 1950
Next Issue: New Series, Vol. 112, No. 2913, Oct. 27, 1950
Previous Issue: New Series, Vol. 112, No. 2912, Oct. 20, 1950
Next Issue: New Series, Vol. 112, No. 2914, Nov. 3, 1950
The Response of Plants to Climate, pp. 489-494
- F. W. Went
Technical Papers
- Identification of Another Epidemic Respiratory Disease, pp. 495-497
- Thomas Francis; J. J. Quilligan; Elva Minuse
- Kinetic Mechanisms and Hydrocarbon Flame Spectra, pp. 497-498
- R. C. Herman; G. A. Hornbeck; K. J. Laidler
- The Function of the Symbiotic Yeasts of Two Insect Species, Lasioderma serricorne F. and Stegobium (Sitodrepa) paniceum L., pp. 498-500
- N. C. Pant; G. Fraenkel
- Some New Plant-Growth Inhibitors, pp. 500-501
- R. S. de Ropp
- An Antigenically Distinct Subtype of Influenza Virus A Which Is Virulent for Mice in Primary Passage of Allantoic Fluid, pp. 501-503
- Thomas G. Ward; Bernice E. Eddy
- On the Validity of an Assumption of Resonance Theory, pp. 503-504
- Arthur F. Johnson
- The Paper Chromatography of pH Indicators, pp. 504-505
- Michael Lederer
- Oxygen Uptake of Embryonated Eggs Infected with Western Equine Encephalitis Virus, pp. 505-506
- R. A. Siem; B. C. Smith; Wm. F. McLimans
- The Biosynthesis of 17-Hydroxycorticosterone from 11-Desoxy-17-Hydroxycorticosterone, p. 506
- D. A. McGinty; Grant N. Smith; Mary L. Wilson; Cecelia S. Worrel
Book Reviews
- ----------------, p. 507
- The Hormones: Chemistry, Physiology, and Applications
- Gregory Pincus; Kenneth V. Thimann
- Review author[s]: Walter Fleischmann
- ----------------, p. 507
- Cosmical Electrodynamics
- H. Alfvén
- Review author[s]: Robert L. Platzman
- ----------------, pp. 507-508
- Problems of Morphogenesis in Ciliates: The Kinetosomes in Development, Reproduction and Evolution
- André Lwoff
- Review author[s]: R. P. Hall
Scientific Book Register, p. 508
Association Affairs
- The Cleveland Meeting I--The Annual Science Exposition, pp. 509-510
- Raymond L. Taylor
News and Notes, pp. 511-514
Previous Issue: New Series, Vol. 112, No. 2912, Oct. 20, 1950
Next Issue: New Series, Vol. 112, No. 2914, Nov. 3, 1950
Previous Issue: New Series, Vol. 112, No. 2913, Oct. 27, 1950
Next Issue: New Series, Vol. 112, No. 2915, Nov. 10, 1950
Instrumentation in Perspective, pp. 515-519
- W. A. Wildhack
Sectioning of Tissue for Electron Microscopy, pp. 520-523
- James Hillier; Mark E. Gettner
Technical Papers
- The in vitro Production of Cortisone by Mammalian Cells, pp. 524-525
- Harry Seneca; Eric Ellenbogen; Edward Henderson; Alice Collins; Joyce Rockenbach
- On the Detection of Intracranial Pathology by Ultrasound, pp. 525-528
- H. T. Ballantine; R. H. Bolt; T. F. Hueter; G. D. Ludwig
- A Slicer for Sampling Liquids, p. 528
- M. L. Randolph; R. R. Ryan
- Effects of Different Preincubation Temperatures on the Hatchability of Pheasant Eggs, pp. 529-530
- Ralph E. Yeatter
- Distribution of Absorbed Energy around a Point Source of β Radiation, pp. 530-531
- Robert Loevinger
- Errors of Combustion of Compounds for C14 Analysis, pp. 531-533
- W. D. Armstrong; Leon Singer; S. H. Zbarsky; Bryant Dunshee
- New Tests for the Nicotiana Alkaloids, Nornicotine and Anabasine, p. 534
- Louis Feinstein; Edward T. McCabe
- Mechanism of the Dakin and West Reaction, pp. 534-535
- J. W. Cornforth; D. F. Elliott
- Electronic Radiography by Transmission Using Radioactive Monolayers, pp. 535-536
- D. E. Beischer
- Dicarboxylic Acid Bis-(β -Tertiaryaminoalkyl) Amides as Curare Substitutes, p. 536
- Arthur P. Phillips
- The Enzymatic Dehydrogenation of Estradiol to Estrone, pp. 536-537
- Joseph A. Ledogar; Howard W. Jones
Comments and Communications
- The Payment of the Learned Man, pp. 538-539
- R. P. Boas
- Sphagnum Moss and Egg Yolk as Food for Anuran Tadpoles, pp. 539-540
- Han-po Ting
- Oaths and Affidavits, p. 540
- P. W. Merrill
- Basic Processes of Erosion, pp. 540-541
- Norval L. Stoltenberg
Book Reviews
- ----------------, pp. 541-542
- Anatomy of the Dicotyledons: Leaves, Stem, and Wood in Relation to Taxonomy
- C. R. Metcalfe; L. Chalk
- Review author[s]: Donald A. Johansen
- ----------------, p. 542
- Structure of Molecules and the Chemical Bond
- Y. K. Syrkin; M. E. Dyatkina
- Review author[s]: Bryce L. Crawford
- ----------------, pp. 542-543
- A History of Experimental Psychology
- Edwin G. Boring
- Review author[s]: Charles W. Bray
Scientific Book Register, p. 543
Association Affairs
- The Cleveland Meeting, December 26-30, 1950: II--The Programs in Mathematics, Physics, Astronomy, and Chemistry, pp. 544-546
- Raymond L. Taylor
News and Notes, pp. 547-552
Previous Issue: New Series, Vol. 112, No. 2913, Oct. 27, 1950
Next Issue: New Series, Vol. 112, No. 2915, Nov. 10, 1950
Previous Issue: New Series, Vol. 112, No. 2914, Nov. 3, 1950
Next Issue: New Series, Vol. 112, No. 2916, Nov. 17, 1950
Natural Color Photography in Colloidal Silver, pp. 553-557
- Robert D. Bensley
Technical Papers
- The Mechanism of Clot Retraction, pp. 558-559
- Armand J. Quick; Clara V. Hussey
- The Adrenal Gland and Hemopoiesis, pp. 559-560
- Sam J. Piliero; David Landau; Albert S. Gordon
- Modified Laboratory Lyophil Apparatus, pp. 560-561
- Harlan K. Pratt; M. Yamaguchi
- Sulfapyrazine Precipitated in Cancer Tissue upon Repeated Glucose Injections, p. 561
- Charles D. Stevens; Patricia M. Quinlin; Mary Ann Meinken; Anna Mary Kock
- Measurement of the Extract of Cornstalks, pp. 561-562
- Herbert C. Gore
- Phosphates of Pantothenic Acid, pp. 562-565
- Tsoo E. King; F. M. Strong
- The Abundance of Several Relatively Rare Elements in Igneous Rocks of North America, p. 565
- L. H. Ahrens; Lorraine G. Gorfinkle
Book Reviews
- ----------------, p. 566
- Electromagnetic Theory
- Oliver Heaviside
- Review author[s]: J. G. Brainerd
- ----------------, pp. 566-567
- Cell Growth and Cell Function: A Cytochemical Study
- Torbjoern O. Caspersson
- Review author[s]: Joseph G. Hoffman
- ----------------, p. 567
- The Cerebral Cortex of Man: A Clinical Study of Localization of Function
- Wilder Penfield; Theodore Rasmussen
- Review author[s]: C. T. Morgan
Scientific Book Register, p. 567
Association Affairs
- The Cleveland Meeting, December 26-30, 1950: III--The Programs in Biology and Medicine, pp. 568-572
- Raymond L. Taylor
News and Notes, pp. 573-576
Previous Issue: New Series, Vol. 112, No. 2914, Nov. 3, 1950
Next Issue: New Series, Vol. 112, No. 2916, Nov. 17, 1950
Previous Issue: New Series, Vol. 112, No. 2915, Nov. 10, 1950
Next Issue: New Series, Vol. 112, No. 2917, Nov. 24, 1950
Japanese Mining and Petroleum Industries: Programs under the Occupation, pp. 577-588
- Robert Y. Grant
Wortley Fuller Rudd: 1876-1950, p. 589
- R. Blackwell Smith
Technical Papers
- Evidence for the Entry into the Upper Atmosphere of High-Speed Protons during Auroral Activity, p. 590
- A. B. Meinel
- Speed of Salt Increase in the Waters of Lake Tacarigua, Venezuela, pp. 590-591
- Augusto Bonazzi
- The Synthesis of 1,1,1-Trichloro-2,2-Bis-(4 ′ -Chlorophenyl-4 ′ -C14)-Ethane, pp. 591-592
- Melvin Fields; James Gibbs; Doris E. Walz
- Effect of Propylene and Triethylene Glycol on Atomized E. coli, pp. 593-595
- Rudolph Nagy; Gail Mouromseff
- Spade-Foot Toad Sperm as an Activating Agent in Producing Gynogenetic Haploid Embryos from Rana and Pseudacris Eggs, pp. 595-596
- Han-po Ting; John W. Price
- Studies on Algal Epiphytes, pp. 596-597
- John W. King
- The Control of Storage Sprouting in Onions by Preharvest Foliage Sprays of Maleic Hydrazide, pp. 597-598
- S. H. Wittwer; R. C. Sharma
- Loss of Choline Esterase Activity in Nerve Tissue Resulting from Processes of Histological Preparation, pp. 598-599
- W. L. Hard; Merle D. Fox
- A Technique for Whole Mount Autoradiographs of Rabbit Mammary Glands, pp. 599-600
- Walter S. Lundahl; Joseph Meites; L. F. Wolterink
Comments and Communications
- Multienzyme Systems, p. 601
- James E. Bacher
- Persistence of 2,4-D in Plant Tissues, pp. 601-602
- Arthur J. Eames
Association Affairs
- The Cleveland Meeting, December 26-30, 1950: IV--The Programs in Geology, Geography, Engineering, and the Social Sciences, pp. 603-606
- Raymond L. Taylor
Scientific Book Register, p. 606
News and Notes, pp. 607-612
Previous Issue: New Series, Vol. 112, No. 2915, Nov. 10, 1950
Next Issue: New Series, Vol. 112, No. 2917, Nov. 24, 1950
Previous Issue: New Series, Vol. 112, No. 2916, Nov. 17, 1950
Next Issue: New Series, Vol. 112, No. 2918, Dec. 1, 1950
Productivity in Research and Development, pp. 613-616
- Ralph M. Hogan
Technical Papers
- Phosphoglyceric Acid in Photosynthesis, pp. 617-618
- E. W. Fager; J. L. Rosenberg
- A Study of Grinding Techniques for Bacterial Cells, pp. 618-620
- W. B. Dockstader; H. O. Halvorson
- The Fluorine Content of Some Miocene Horse Bones, pp. 620-621
- Russell Olsen
- An Apparatus for the Simultaneous Production of Many Two-Dimensional Paper Chromatograms, pp. 621-623
- S. P. Datta; C. E. Dent; H. Harris
- Self-Absorption and Backscattering of β Radiation, pp. 623-626
- L. E. Glendenin; A. K. Solomon
- The Pungency Taste Characteristics of Some Piperazine Derivatives, pp. 626-627
- Torsten Hasselstrom; Norene E. Kennedy; Clifford E. Balmer; Harold W. Coles
- A High-Pressure Cytolyzer, p. 627
- J. M. Pirrung
Comments and Communications
- Term "Vitamin P" Recommended to Be Discontinued, p. 628
- H. B. Vickery; E. M. Nelson; H. J. Almquist; C. A. Elvehjem
- Color Standards, p. 628
- C. y J. Villalobos
- Genetic Effects in Man from Atomic Explosions and from Chronic Irradiation, p. 628
- A. C. Fabergé
- Separating Pages of Publications, p. 628
- George R. Johnstone
Book Reviews
- ----------------, p. 629
- Colloid Science
- James W. McBain
- Advances in Colloid Science
- H. Mark; E. J. W. Verwey
- Review author[s]: Sydney Ross
- ----------------, p. 629
- A Monograph of the Existing Crinoids
- Austin Hobart Clark
- Review author[s]: Wesley R. Coe
- ----------------, p. 630
- Annual Review of Plant Physiology
- Daniel I. Arnon
- Review author[s]: Folke Skoog
Association Affairs
- The Cleveland Meeting--December 26-30, 1950: V--The Programs in Anthropology, Psychology, Education, and the History and Philosophy of Science, pp. 631-634
- Raymond L. Taylor
News and Notes, pp. 635-638
Previous Issue: New Series, Vol. 112, No. 2916, Nov. 17, 1950
Next Issue: New Series, Vol. 112, No. 2918, Dec. 1, 1950
Previous Issue: New Series, Vol. 112, No. 2917, Nov. 24, 1950
Next Issue: New Series, Vol. 112, No. 2919, Dec. 8, 1950
Protein and Nucleic Acid Conference, pp. 639-643
- E. R. Blout; Paul M. Doty
Technical Papers
- The Effect of X-Irradiation in Oxygen and in Hydrogen at Normal and Positive Pressures on Chromosome Aberration Frequency in Tradescantia Microspores, pp. 643-645
- Norman H. Giles; Alvin V. Beatty
- The Detection of Internally-Borne Bacterial Pathogens of Beans by a Rapid Phage-Plaque Count Technique, pp. 645-647
- H. Katznelson
- The Potentiation of Muscular Contraction by the Nitrate-Ion, pp. 647-649
- Arthur J. Kahn; Alexander Sandow
- The Mechanism of Action of Organic Mercury Compounds on Cytochrome Oxidase, pp. 649-651
- M. Angelice Seibert; Cornelius W. Kreke; Elton S. Cook
- Differentiation of Bacterial Species and Variation within Species by means of 2,3,5-Triphenyltetrazolium Chloride in Culture Medium, pp. 651-652
- I. Forest Huddleson; Betty Baltzer
- Obligate Autotrophy in Chlamydomonas moewusii Gerloff, pp. 652-653
- Joyce Chismore Lewin
- A Coenzyme of Spleen β -Glucuronidase, pp. 653-654
- Peter Bernfeld; William H. Fishman
- C14 Labeled 4(5)-Amino-5(4)-Imidazolecarboxamide in the Biosynthesis of Purines, pp. 654-655
- C. S. Miller; S. Gurin; D. W. Wilson
- An Improved Water Separator, p. 655
- Richard N. Blomberg; William F. Bruce
Comments and Communications
- Scientific Ethics, p. 656
- Max C. Markley
- The Use of Sodium Propionate in Isolating Actinomycetes from Soils, p. 656
- Patricia Crook; C. C. Carpenter; Paul F. Klens
Book Reviews
- ----------------, p. 657
- The Biology of Human Starvation
- Ancel Keys
- Review author[s]: A. J. Carlson; F. Hoelzel
- ----------------, pp. 657-658
- A Geography of Europe
- Jean Gottmann
- Review author[s]: Ralph E. Olson
- ----------------, pp. 658-660
- Gray's Manual of Botany: A Handbook of the Flowering Plants and Ferns of the Central and Northeastern United States and Adjacent Canada
- Merritt Lyndon Fernald
- Review author[s]: H. H. Bartlett
- ----------------, p. 660
- Biological Actions of Sex Hormones
- Harold Burrows
- Review author[s]: M. X. Zarrow
Scientific Book Register, p. 660
News and Notes, pp. 661-664
Previous Issue: New Series, Vol. 112, No. 2917, Nov. 24, 1950
Next Issue: New Series, Vol. 112, No. 2919, Dec. 8, 1950
Previous Issue: New Series, Vol. 112, No. 2918, Dec. 1, 1950
Next Issue: New Series, Vol. 112, No. 2920, Dec. 15, 1950
Front Matter (1 p.)
Annual Meeting of the British Association for the Advancement of Science, pp. 665-670
- Maurice Goldsmith
Preview of the 117th Meeting, AAAS, Cleveland December 26-30, 1950, pp. 670-701
Scientific Book Register, p. 701
News and Notes, pp. 703-706
Previous Issue: New Series, Vol. 112, No. 2918, Dec. 1, 1950
Next Issue: New Series, Vol. 112, No. 2920, Dec. 15, 1950
Previous Issue: New Series, Vol. 112, No. 2919, Dec. 8, 1950
Next Issue: New Series, Vol. 112, No. 2921, Dec. 22, 1950
Special Instrumentation Problems Encountered in Physiological Research concerning the Heart and Circulation in Man, pp. 707-715
- Earl H. Wood
Technical Papers
- Description of the Chemostat, pp. 715-716
- Aaron Novick; Leo Szilard
- Sickling: A Property of All Red Blood Cells, pp. 716-718
- Raphael Isaacs
- Synthesis of Anthracene-9-C114, pp. 718-719
- William H. Stevens; D. Alma Holland
- Applications of Nylon Catheters in Physiology of the Circulation, pp. 719-720
- Jules H. Last; Isadore Pitesky; John P. Marbarger
- Prevention of the Phytotoxic Action of Sodium Orthophenylphenate on Citrus Fruits by Hexamine, pp. 720-721
- E. F. Hopkins; K. W. Loucks
- A Mouth-Swabbing Technique for the Laboratory Mouse, pp. 721-722
- C. A. Ostrom; F. C. Hauth
- A Method for Artificial Insemination in Viviparous Fishes, pp. 722-723
- Eugenie Clark
Comments and Communications
- The Accessibility of Knowledge, p. 724
- Ancel Keys
- Amylase Inhibition, p. 724
- H. C. Eyster
- Rhetorical Atrocity, p. 724
- Wolf Vishniac
Book Reviews
- ----------------, p. 725
- Principles of Genetics
- Edmund W. Sinnott; L. C. Dunn; Th. Dobzhansky
- Review author[s]: Ernst Caspari
- ----------------, pp. 725-726
- Handbook of Psychological Research on the Rat: An Introduction to Animal Psychology
- Norman L. Munn; Leonard Carmichael
- Review author[s]: John B. Wolff
- ----------------, p. 726
- Die Welt der Vektoren: Einführung in Theorie und Anwendung der Vektoren, Tensoren und Operatoren
- Franz Ollendorff
- Review author[s]: Louis Brand
Scientific Book Register, p. 726
News and Notes, pp. 727-730
Previous Issue: New Series, Vol. 112, No. 2919, Dec. 8, 1950
Next Issue: New Series, Vol. 112, No. 2921, Dec. 22, 1950
Previous Issue: New Series, Vol. 112, No. 2920, Dec. 15, 1950
Next Issue: New Series, Vol. 112, No. 2922, Dec. 29, 1950
The Federal Computing Machine Program, pp. 731-736
- Mina Rees
Building an Effective Technical Library, pp. 736-738
- W. E. Jorgensen; I. G. Carlson
Dennis Robert Hoagland: 1884-1949, pp. 739-742
- Daniel I. Arnon
Technical Papers
- A Thermophobic Insect, p. 743
- R. I. Sailer
- The Effect of Reinforcement History on Extinction after Reconditioning, pp. 743-745
- P. J. Bersh; W. N. Schoenfeld; J. M. Notterman
- Microscopic Structure of Carrot Chromoplasts, pp. 745-748
- Werner Straus
- The Preparation of High-Purity Hydrogen Deuteride, pp. 748-749
- A. Fookson; P. Pomerantz; E. H. Rich
- The Effect of 2,4-D on Potassium Nitrate Levels in Leaves of Sugar Beets, pp. 749-751
- L. M. Stahler; E. I. Whitehead
- An Analysis of the Enzyme Activity of the Conditioned Salivary Response in Human Subjects, p. 751
- Joyce D. Brothers; C. J. Warden
- Spectrophotometric Assay of Ascorbic Acid with Peri-Naphthindanetrione Hydrate, pp. 751-752
- M. S. El Ridi; R. Moubasher; Z. Hassan
- A Method for Evaluating the Relation of Glycogen to Inorganic Salt Deposition in Surviving Cartilage Slices in vitro, pp. 752-754
- Paul A. Marks; Ephraim Shorr
- Plant-Growth Inhibitors from Red Kidney Bean Seeds, pp. 754-755
- S. M. Siegel
- Adjuvant Action of Amino Acids and Peptides in Fertilizin Agglutination of Starfish Sperm, pp. 755-756
- Charles B. Metz; Joanne E. Donovan
- A Simple Method for the Determination of Diffusion Constants, pp. 757-758
- Leonard A. Walker
- On the Question of Hyaluronidase in Sea-Urchin Spermatozoa, p. 759
- Max Krauss
Comments and Communications
- Research Note on Randomization in a Social Experiment, p. 760
- F. Stuart Chapin
- Social Responsibility in Science, pp. 760-761
- William F. Hewitt
- Concerning the Zoological Record, pp. 761-762
- S. A. Neave
Book Reviews
- ----------------, pp. 762-763
- Review author[s]: Victor Guillemin
- ----------------, pp. 763-764
- Les Hautes Temperatures et Leurs Utilisations en Chimie
- P. Lebeau; F. Trombe
- Review author[s]: G. K. Rollefson
- ----------------, p. 764
- The Chordates
- Herbert W. Rand
- Review author[s]: David W. Bishop
- ----------------, pp. 764-766
- Variation and Evolution in Plants
- G. Ledyard Stebbins
- Review author[s]: Carl Epling
Reviewed in Brief
- ----------------, p. 766
- Cell Physiology and Pharmacology
- J. F. Danielli
- ----------------, p. 766
- Pneumoconiosis: Beryllium, Bauxite Fumes, Compensation
- Arthur J. Vorwald
- ----------------, p. 766
- Viruses 1950
- M. Delbrück
Scientific Book Register, p. 766
News and Notes, pp. 767-774
Previous Issue: New Series, Vol. 112, No. 2920, Dec. 15, 1950
Next Issue: New Series, Vol. 112, No. 2922, Dec. 29, 1950
Previous Issue: New Series, Vol. 112, No. 2921, Dec. 22, 1950
Next Issue: New Series, Vol. 113, No. 2923, Jan. 5, 1951
Volume Information (18 pp.)
Kennetic Inquiry, pp. 775-783
- Arthur F. Bentley
Technical Papers
- Prolongation of the Fertilizing Capacity of Sea-Urchin Spermatozoa by Amino Acids, pp. 783-785
- Albert Tyler; Elsie Atkinson
- Polarographic Measurement of the Oxygen Consumption of Skin in vivo, pp. 785-786
- Frederick Urbach; George Peirce
- Self-Selection of Diet in Relation to Audiogenic Seizures in Rats, pp. 786-787
- William J. Griffiths
- Phenyl Phenaceturate from the Decomposition of Penicillin in the Presence of Phenol, p. 787
- S. F. Kern; P. M. Terrill; Marjorie M. Mann; R. G. Jones
- Limitations of the "Normal" Body Weight as a Criterion of Normality, p. 788
- Josef Brožek; Ancel Keys
- Hypotension in the Rat Following Limitation of Potassium Intake, pp. 788-789
- S. Charles Freed; Meyer Friedman
- C-M Medium: A Mounting Medium for Small Insects, Mites, and Other Whole Mounts, pp. 789-790
- Edgar W. Clark; Frank Morishita
- Enhancement of the Action of Streptomycin, pp. 790-791
- R. J. W. Rees; J. M. Robson
- Use of Selective Fluorescent Stains to Detect Insect Egg Plugs on Grain Kernels, pp. 791-792
- Max Milner; Duane L. Barney; J. A. Shellenberger
- Embryonic Death Rate and Sex Ratio in Chicks, p. 792
- F. A. Hays; E. W. Spear
- Complete Elimination of Microorganisms from an Intestinal Parasite (Ascaris lumbricoides), pp. 792-793
- Donald Fairbairn; Michael R. Reesal
Book Reviews
- ----------------, pp. 793-794
- Physico-Chemical Constants of Pure Organic Compounds
- J. Timmermans
- Review author[s]: Arnold Weissberger
- ----------------, p. 794
- The Clinical Use of Radioactive Isotopes
- Bertram V. A. Low-Beer
- Review author[s]: Richard H. Chamberlain
- ----------------, p. 794
- Biology of Drosophila
- M. Demerec
- Review author[s]: Richard Blanc
News and Notes, pp. 795-798
Previous Issue: New Series, Vol. 112, No. 2921, Dec. 22, 1950
Next Issue: New Series, Vol. 113, No. 2923, Jan. 5, 1951