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Science, 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
Antibiotics: A Survey of Penicillin, Streptomycin, and Other Antimicrobial Substances from Fungi, Actinomycetes, Bacteria, and Plants
H. W. Florey
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



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