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Science, New Series, Vol. 92, No. 2398, Dec. 13, 1940


Previous Issue: New Series, Vol. 92, No. 2397, Dec. 6, 1940
Next Issue: New Series, Vol. 92, No. 2399, Dec. 20, 1940


Front Matter (4 pp.)
The Beginnings of Social Behavior in Unicellular Organisms, pp. 539-546
H. S. Jennings


Obituary
Rodney Howard True, pp. 546-547
H. L. Shantz
Howard J. Banker, pp. 547-548
Albert F. Blakeslee
Recent Deaths, p. 548


Scientific Events
Damage to Scientific Institutions in London, p. 548
The Classification of Tool Steels, pp. 548-549
The New Hydraulic Laboratory of the National Research Council of Canada, p. 549
The Proposed New Cancer Hospital in New York City, p. 549
Symposium on Malaria, pp. 549-550
Malcolm H. Soule
The Pacific Division of the American Association for the Advancement of Science, p. 550
The Cold Spring Harbor Biological Laboratory, pp. 550-551
Medalists of the Royal Society, p. 551


Scientific Notes and News, pp. 551-553


Discussion
Collecting Pelagic Foraminifera, pp. 553-554
Fred B. Phleger
On the Specificity of Renin, pp. 554-555
Juan Carlos Fasciolo; Luis F. Leloir; Juan M. Muñoz; Eduardo Braun-Menendez
Exchange Periodicals from Foreign Countries, p. 555
Priscilla B. Montgomery
Antique Galenicals, p. 555
Hobart A. Reimann


Scientific Books
Mathematical Papers of Sir William Rowan Hamilton, pp. 555-556
The Mathematical Papers of Sir William Rowan Hamilton, Vol. 2, Dynamics
A. W. Conway; A. J. McConnell
Review author[s]: F. D. Murnaghan
Recent Developments in the Study of Rocks, pp. 556-557
A Handbook of Rocks for Use without the Petrographic Microscope
James Furman Kemp
Review author[s]: Esper S. Larsen


Societies and Meetings
The Autumn General Meeting of the American Philosophical Society, pp. 557-559
Edwin G. Conklin


Special Articles
Suggestions on Plant Virus Nomenclature as Exemplified by Names for Citrus Viruses, pp. 559-561
Howard S. Fawcett
Solar Rays and Vitamin C, p. 561
Edward F. Kohman; Donald R. Porter
Inefficacy of Pantothenic Acid against the Graying of Fur, pp. 561-562
R. R. Williams


Science News, pp. 8-9+11
Back Matter (1 p.)

Previous Issue: New Series, Vol. 92, No. 2397, Dec. 6, 1940
Next Issue: New Series, Vol. 92, No. 2399, Dec. 20, 1940



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