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Science, New Series, Vol. 86, No. 2227, Sep. 3, 1937


Previous Issue: New Series, Vol. 86, No. 2226, Aug. 27, 1937
Next Issue: New Series, Vol. 86, No. 2228, Sep. 10, 1937


Front Matter (5 pp.)
The History of Evolutionary Thought, pp. 203-214
Edward B. Poulton


Obituary
Vernon Lyman Kellogg, pp. 214-215
Robert A. Millikan


Scientific Events
Expeditions of the Academy of Natural Sciences of Philadelphia, p. 215
The Holden Expedition of the American Museum of Natural History, pp. 215-216
The A. W. Mellon Educational and Charitable Trust, p. 216
Proposed Buildings for the National Institute of Health, pp. 216-217
Grants-In-Aid for Public Health Work, p. 217
The Second National Conference on Educational Broadcasting, pp. 217-218


Scientific Notes and News, pp. 218-221


Discussion
Upper Cretaceous Plants from Patagonia, pp. 221-222
Edward W. Berry
Observation on Excitation of Fireflies by Explosions, pp. 222-223
Rudolf Ruedemann
Secondary Binocular Vision in Birds, pp. 223-224
Austin H. Clark
An Infectious Disease Causing Wide-Spread Necrosis in the Liver of the Mexican Axolotl, pp. 224-225
Cranford Hutchinson; Balduin Lucké


Special Articles
Some Oxidative Properties of Isolated Amphibian Germinal Vesicles, p. 225
Jean Brachet
Cobalt as an Essential Element in Animal Nutrition, pp. 225-226
W. M. Neal; C. F. Ahmann
Magnesium Sulfate--An Unsatisfactory Substitute for Arsenicals in Grasshopper Baits, pp. 226-228
Roger C. Smith
Fitness, Sulfanilamide and Pneumococcus Infection in the Rabbit, pp. 228-229
Arthur Locke; R. B. Locke; R. J. Bragdon; R. R. Mellon


Scientific Apparatus and Laboratory Methods
An Electric Cardiometer, pp. 229-230
Franklin Henry


Science News, pp. 10+12+14

Previous Issue: New Series, Vol. 86, No. 2226, Aug. 27, 1937
Next Issue: New Series, Vol. 86, No. 2228, Sep. 10, 1937



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