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Science, New Series, Vol. 87, No. 2263, May 13, 1938


Previous Issue: New Series, Vol. 87, No. 2262, May 6, 1938
Next Issue: New Series, Vol. 87, No. 2264, May 20, 1938


Front Matter (4 pp.)


The National Academy of Sciences
Address of the President, pp. 421-423
Frank R. Lillie
Presentation of the Agassiz and the Public Welfare Medals, pp. 423-424
Edwin G. Conklin; A. W. Hull; W. R. Whitney
Presentation of the Welfare Medal to Willis Rodney Whitney, pp. 424-425
A. W. Hull
Response by the Medalist, p. 425
W. R. Whitney
Abstracts of Papers, pp. 425-431


Scientific Events
The Mount Evans Laboratory, pp. 431-432
J. C. Stearns
Grants Awarded by the American Philosophical Society, pp. 432-433
Edwin G. Conklin
Medals of the Franklin Institute, pp. 433-434
Recent Deaths, p. 434


Scientific Notes and News, pp. 434-437


Discussion
Attendance at Scientific Meetings and Membership Population Center, pp. 437-438
F. M. Wadley
Studies in the Potassium Metabolism of the Animal Body by means of Its Artificial Radioactive Isotope, p. 438
David M. Greenberg; Michael Joseph; Waldo E. Cohn; Elma V. Tufts
Fossil Algae from the Salem Limestone of Indiana, pp. 438-439
Robert R. Shrock
The Treatment of "Sniffles" in the Rat with Sulfanilamide, p. 439
Norman R. F. Maier


Special Articles
Effect of Oxygen Light and Lactoflavin on the Oxidation of Vitamin C in Milk, pp. 439-441
David B. Hand; E. S. Guthrie; Paul F. Sharp
The Mode of Action of Sulfanilamide and Prontosil, pp. 441-442
Robert Finkelstein; Jorgen M. Birkeland
Increase in Vitamin a Activity of Corn Caused by Doubling the Number of Chromosomes, pp. 442-443
L. F. Randolph; David B. Hand


Scientific Apparatus and Laboratory Methods
Simplified Schaeffer Spore Stain, p. 443
Gerald K. Ashby
A Method for Fixing and Staining Earthworms, pp. 443-444
Elton C. Cocke
Grass Volume Tables for Determining Range Utilization, p. 444
Tom Lommasson; Chandler Jensen


Science News, pp. 10a+12a-13a
Back Matter (2 pp.)

Previous Issue: New Series, Vol. 87, No. 2262, May 6, 1938
Next Issue: New Series, Vol. 87, No. 2264, May 20, 1938



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