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Science, New Series, Vol. 80, No. 2073, Sep. 21, 1934


Previous Issue: New Series, Vol. 80, No. 2072, Sep. 14, 1934
Next Issue: New Series, Vol. 80, No. 2074, Sep. 28, 1934


Front Matter (2 pp.)


The British Association for the Advancement of Science
Some Aspects of Forest Biology, pp. 255-260
A. W. Borthwick


Scientific Events
The Training of Physicians in Soviet Russia, pp. 260-261
Rubber Plant Experiments, pp. 261-262
Conference on the Biology of Sex, p. 262
New York meeting of the Biological Photographic Association, pp. 262-263
Recent Deaths and Memorials, p. 263


Scientific Notes and News, pp. 263-266


Discussion
Japan Honors China, pp. 266-268
J. F. McClendon
Cytogenetic Notes on Cotton and Cotton Relatives, pp. 268-269
J. M. Webber
Toxicity of Cadmium to Chewing Insects, p. 269
Joseph M. Ginsburg
On the Incidence of Color-Blindness among Negroes, p. 269
Kenneth B. M. Crooks


Scientific Books
The Myxomycetes, pp. 270-271
The Myxomycetes
Thomas H. MacBride; G. W. Martin
Review author[s]: Charles Thom
Emergent Evolution, p. 271
The Universe and Life
H. S. Jennings
Review author[s]: T. Wingate Todd


Societies and Meetings
The Twelfth International Veterinary Congress, pp. 271-272
John R. Mohler


Scientific Apparatus and Laboratory Methods
A Melting Point Apparatus for Minute Samples, pp. 272-273
Sam Granick
Laboratory Stirrers, pp. 273-274
K. B. Humphrey


Special Articles
The Biological Effects of Thymus Extract (Hanson), pp. 274-275
L. G. Rowntree; J. H. Clark; A. M. Hanson
Isolation of the Infective Principle of Virus Diseases, pp. 275-276
William J. Robbins


Books Received, p. 276
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 80, No. 2072, Sep. 14, 1934
Next Issue: New Series, Vol. 80, No. 2074, Sep. 28, 1934



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