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Science, New Series, Vol. 53, No. 1377, May 20, 1921


Previous Issue: New Series, Vol. 53, No. 1376, May 13, 1921
Next Issue: New Series, Vol. 53, No. 1378, May 27, 1921


Front Matter (1 p.)
The Electron Theory of Magnetism, pp. 465-475
S. J. Barnett


The American Association for the Advancement of Science
Spring Meeting of the Executive Committee, pp. 475-478
Burton E. Livingston


Medals of the National Academy of Sciences, pp. 478-480
E. E. Slosson

Third Award of the Daniel Giraud Elliot Medal, pp. 480-481
Henry Fairfield Osborn


Scientific Events
The United States Patent Office, pp. 481-482
The National Geographic Society, p. 482
Exchange of Professors of Engineering between American and French Universities, pp. 482-483
Grants from the Bache Fund, p. 483


Scientific Notes and News, pp. 483-484
University and Educational News, p. 484


Discussion and Correspondence
Effect of Dormant Lime Sulfur upon the Control of Apple Blotch, pp. 484-485
E. F. Guba
Crows and Starlings, p. 485
F. R. Welsh
The Synchronal Flashing of Fireflies, pp. 485-486
Otto A. Reinking
Franz Steindachner, p. 486
H. W. Wiley


Scientific Books
----------------, pp. 486-487
Chemische Krystallographie
P. Groth
Review author[s]: Edward H. Kraus


Special Articles
The Change in the Fat of Peanut-Fed Rabbits, p. 487
S. T. Dowell


The American Society of Mammalogists, pp. 487-488
Hartley H. T. Jackson

Previous Issue: New Series, Vol. 53, No. 1376, May 13, 1921
Next Issue: New Series, Vol. 53, No. 1378, May 27, 1921



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