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Science, New Series, Vol. 90, No. 2335, Sep. 29, 1939


Previous Issue: New Series, Vol. 90, No. 2334, Sep. 22, 1939
Next Issue: New Series, Vol. 90, No. 2336, Oct. 6, 1939


Front Matter (3 pp.)
Non-Aqueous Solutions, pp. 281-289
Charles A. Kraus


Obituary
Frederick Parker Gay, pp. 290-291
Claus W. Jungeblut
William R. Perkins, pp. 291-292
Glenn W. Herrick
Recent Deaths, p. 292


Scientific Events
The Evacuation of the University of London, p. 292
Chemical Imports of the United States, pp. 292-293
Biological Abstracts, p. 293
The Scientific Programs of the Chicago Medical Society, pp. 293-294
The Relations of Science to Society, p. 294


Scientific Notes and News, pp. 294-296


Discussion
Important Paleolithic Find in Central Asia, pp. 296-298
Aleš Hrdlička
A Second Household Palm, Omanthe costaricana, pp. 298-299
O. F. Cook
Fresh-Water Medusae Found in Kiating, Szechuen, China, p. 299
H. Zanyin Gaw; L. H. Kung
Anthelmintic Activity of Fresh Pineapple Juice, pp. 299-300
Julius Berger; Conrado F. Asenjo


Quotations
The Voice of Science, p. 300


Scientific Books
Electromagnetics, pp. 300-302
Electromagnetics; a Discussion of Fundamentals
Alfred O'Rahilly
Review author[s]: H. Bateman
The Philosophy of Physics, p. 302
On Understanding Physics
W. H. Watson
Review author[s]: R. B. Lindsay
Meadow and Pasture Insects, pp. 302-303
Meadow and Pasture Insects
Herbert Osborn
Review author[s]: E. P. Felt


Societies and Meetings
Fungi and Fungous Diseases, p. 303
J. Gardner Hopkins; J. S. Karling


Special Articles
The Role of Microorganisms in the Conservation of the Soil, pp. 304-305
Selman A. Waksman; James P. Martin
On the Molecular Weight of the Tobacco Mosaic Virus Protein, pp. 305-306
Vernon L. Frampton
Upward Transport of Minerals through the Phloem of Stems, pp. 306-307
Felix G. Gustafson


Scientific Apparatus and Laboratory Methods
An Aceto-Carmine Method for Bird and Mammalian Chromosomes, pp. 307-308
T. S. Painter
A Simple Rocking Device for Carrel Flasks, p. 308
Herbert Shapiro


Science News, pp. 8a+9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 90, No. 2334, Sep. 22, 1939
Next Issue: New Series, Vol. 90, No. 2336, Oct. 6, 1939



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