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Science, 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



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