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Science, New Series, Vol. 75, No. 1956, Jun. 24, 1932


Previous Issue: New Series, Vol. 75, No. 1955, Jun. 17, 1932
Next Issue: New Series, Vol. 76, No. 1957, Jul. 1, 1932


Front Matter (2 pp.)
Upsetting the Balance of Nature, with Special Reference to Kansas and the Great Plains, pp. 649-654
Roger C. Smith

Viruses, pp. 654-656
T. M. Rivers


Obituary
Thomas H. Gronwall, p. 657
J. F. Ritt
Ellen Churchill Semple--1863-1932, p. 657
Wallace W. Atwood
Memorial to Dr. John Briquet, pp. 657-658
E. D. Merrill


Scientific Events
Birth Rates and Death Rates, p. 658
Investigation of the Woods of the World, pp. 658-659
Government Controlled Forest Lands, p. 659
The American Society of Agricultural Engineers, pp. 659-660
The International Cancer Research Foundation, p. 660
Retiring Members of the Faculty of the Massachusetts Institute of Technology, pp. 660-661


Scientific Notes and News, pp. 661-664


Discussion
An Experiment in Teaching Public Health Zoology at Rollins College, pp. 664-665
C. W. Stiles
Regarding the C Forms of Kuhn, pp. 665-666
Philip Hadley
Whaling in Northeastern Japanese Waters, pp. 666-667
Miles L. Peelle


Scientific Books
----------------, pp. 667-668
Flora of the Prairies and Plains of Central North America
P. A. Rydberg
Review author[s]: Frank C. Gates


Societies and Academies, pp. 668-669


Scientific Apparatus and Laboratory Methods
A Convenient Method of Photographing Small Animals at Low Magnification, pp. 669-670
Roman Kenk
Permanent Preservation of the Human Body by Infiltration, pp. 670-671
Edmond J. Farris


Special Articles
General Theorems in Dynamics, pp. 671-672
Edward Kasner
Soil Weights before and after Dispersion, pp. 672-674
L. B. Olmstead; Horace G. Byers


Books Received, p. 674
Science News, pp. 8a-10a

Previous Issue: New Series, Vol. 75, No. 1955, Jun. 17, 1932
Next Issue: New Series, Vol. 76, No. 1957, Jul. 1, 1932



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