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Science, New Series, Vol. 110, No. 2865, Nov. 25, 1949


Previous Issue: New Series, Vol. 110, No. 2864, Nov. 18, 1949
Next Issue: New Series, Vol. 110, No. 2866, Dec. 2, 1949


Sickle Cell Anemia, a Molecular Disease, pp. 543-548
Linus Pauling; Harvey A. Itano; S. J. Singer; Ibert C. Wells

The American Philosophical Society: Abstracts of Papers Presented at the 1949 Autumn Meeting, Philadelphia, Pennsylvania, pp. 548-552


Technical Papers
Mutual Interaction of Polyelectrolytes, pp. 552-554
Raymond M. Fuoss; Hussein Sadek
Is Chloride a Coenzyme of Photosynthesis?, pp. 554-556
Daniel I. Arnon; F. R. Whatley
The Action of Mineral-Ion Exchange Resins on Certain Milk Constituents, pp. 556-558
C. W. Gehrke; E. F. Almy
The ΔG/Δ P Ratio after the Administration of Dextrose as an Index of Insular Function, pp. 558-559
Francisco De Venanzi
Amino Acids in the Mitochondrial Fractions of Tissues as Determined by Paper Partition Chromatography, pp. 559-560
Chao-t'e Li; Eugene Roberts
On the Participation of the Reticuloendothelial System in the Alarm Reaction, pp. 560-561
P. S. Timiras; H. Selye
Colorimetric Estimation of Noradrenalin in the Presence of Adrenalin, p. 561
U. S. Von Euler; Ulla Hamberg
Syntheses of Isotopically Labeled 2,4-Dichlorophenoxyacetic Acid (2,4-D) and Derivatives, p. 562
Henry R. Mahler; R. J. Speer; Ammarette Roberts
Synergism of Thromboplastic Extracts: Synergistic Activity of Rabbit Lung and Brain Thromboplastic Extracts, pp. 563-564
S. Gollub; Frank E. Kaplan; David R. Meranze; Harold Tuft
Chromatographic Analysis of a Mixture of Proteins from Egg White, pp. 564-565
Herbert A. Sober; Gerson Kegeles; Frederick J. Gutter


Comments and Communications
The Synthesis of Vitamin B12 in the Digestive System of the Sheep, p. 566
Philip H. Abelson; Hugh H. Darby
Scientific Research Vs. the Theory of Probabilities, p. 566
A. G. Huntsman
Name of the Soybean, pp. 566-567
George H. M. Lawrence
A Six-Segment Head Regenerate in a Supposedly Refractory Earthworm Species, Lumbricus castaneus Savigny 1826, p. 567
G. E. Gates
Determination of Condition of Oysters, pp. 567-568
A. E. Hopkins
Effect of Dioxane and Sodium Hydroxide upon Lens Capsule and Cortex (Squalus Sp.), p. 568
D. S. Po-Chedley


Book Reviews
----------------, p. 569
Economic Geography of the USSR
S. S. Balzak; V. F. Vasyutin; Ya. G. Feigin
Review author[s]: George B. Cressey
----------------, pp. 569-570
Veterinary Helminthology
Banner Bill Morgan; Philip A. Hawkins
Review author[s]: Norman R. Stoll
----------------, p. 570
Personal Adjustment in Old Age
Ruth Shonle Cavan; Ernest W. Burgess; Robert J. Havighurst; Herbert Goldhamer
Review author[s]: S. T. Kimble
----------------, pp. 570-571
Mathematical Foundations of Statistical Mechanics
A. I. Khinchin
Introduction to Statistical Mechanics
G. S. Rushbrooke
Review author[s]: D. Ter Haar


Association Affairs
The New York Meeting, December 26-31, 1949, pp. 571-573


News and Notes, pp. 573-578

Previous Issue: New Series, Vol. 110, No. 2864, Nov. 18, 1949
Next Issue: New Series, Vol. 110, No. 2866, Dec. 2, 1949



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