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Science, New Series, Vol. 50, No. 1299, Nov. 21, 1919


Previous Issue: New Series, Vol. 50, No. 1298, Nov. 14, 1919
Next Issue: New Series, Vol. 50, No. 1300, Nov. 28, 1919


Front Matter (1 p.)
Atomic Projectiles and Their Collisions with Light Atoms, pp. 467-473
Ernest Rutherford

Second Award of the Elliot Medal, pp. 473-474
Proposed Constitution and By-Laws of the American Association for the Advancement of Science, pp. 474-477


Scientific Events
The Southwestern Geological Society, p. 477
The Chicago Meeting of the American Physical Society, pp. 477-478
Dayton C. Miller
The History of Science and the American Historical Association, p. 478
Elbert J. Benton
The Section of Zoology of the American Association, p. 478
H. V. Neal
The Deflection of Light by Gravitation and the Theory of Relativity, pp. 478-479


Scientific Notes and News, pp. 479-480
University and Educational News, pp. 480-481


Discussion and Correspondence
A Helium Series in the Extreme Ultra-Violet, p. 481
Theodore Lyman
Double Use of the Term Acceleration, pp. 482-483
C. M. Sparrow


Notes on Meteorology and Climatology, pp. 483-484
Charles F. Brooks


Special Articles
A Preliminary Note on Foot-Rot of Cereals in the Northwest, pp. 484-485
B. F. Dana


The New Haven Meeting of the National Academy of Sciences, pp. 486-487
American Mathematical Society, p. 487
F. N. Cole

Meeting of the Committee of Policy of the American Association for the Advancement of Science, pp. 487-488
L. O. Howard

Back Matter (1 p.)

Previous Issue: New Series, Vol. 50, No. 1298, Nov. 14, 1919
Next Issue: New Series, Vol. 50, No. 1300, Nov. 28, 1919



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