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Science, New Series, Vol. 55, No. 1427, May 5, 1922


Previous Issue: New Series, Vol. 55, No. 1426, Apr. 28, 1922
Next Issue: New Series, Vol. 55, No. 1428, May 12, 1922


Front Matter (1 p.)
Hesperopithecus, the First Anthropoid Primate Found in America, pp. 463-465
Henry Fairfield Osborn

Medals and Dinner of the National Academy of Sciences, pp. 465-467
Edwin E. Slosson

The Edward C. Pickering Memorial, pp. 467-469
S. A. Mitchell

J. D. Mitchell, p. 469
W. D. Hunter


Scientific Events
Annual Tables of Constants, pp. 469-470
Alaska Peninsula Fisheries Reservation, p. 470
The Flora of Porto Rico, pp. 470-471
Expedition to the Fiji Islands, pp. 471-472
The Section of Medical Sciences of the American Association, p. 472
A. J. Goldfarb
The Bocher Memorial Prize of the American Mathematical Society, p. 472


Scientific Notes and News, pp. 473-477
University and Educational Notes, pp. 477-478


Discussion and Correspondence
The Futility of the Human Yolk Sac, p. 478
Frederic T. Lewis
Deflection of Streams by Earth Rotation, pp. 478-479
W. M. Davis
Possible Cause of the Red Color of Potash Salts, pp. 479-480
W. C. Phalen
Popular Science, pp. 480-482
Edwin E. Slosson


Scientific Books
----------------, pp. 482-483
An Introduction to Cytology
Lester W. Sharp
Review author[s]: C. E. McClung


Special Articles
Continuous Renewal of Nutrient Solution for Plants in Water-Cultures, pp. 483-486
Sam F. Trelease; Burton E. Livingston
Note on the Synthesis of Ethyl Butyrate in Egg Secretion, p. 486
Otto Glaser


National Academy of Sciences, pp. 486-496

Previous Issue: New Series, Vol. 55, No. 1426, Apr. 28, 1922
Next Issue: New Series, Vol. 55, No. 1428, May 12, 1922



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