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Science, 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
Stellar Evolution: An Exploration from the Observatory
Otto Struve
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
Manual of Standardized Procedures for Spectrophotometric Chemistry
Harold J. Fister
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



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