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Science, New Series, Vol. 57, No. 1468, Feb. 16, 1923


Previous Issue: New Series, Vol. 57, No. 1467, Feb. 9, 1923
Next Issue: New Series, Vol. 57, No. 1469, Feb. 23, 1923


Front Matter (3 pp.)


The American Association for the Advancement of Science
On the Urgency of Research on the Great Portal to Disease in the Body, pp. 189-194
A. B. Macallum


Baird, the Man, pp. 194-196
William H. Dall

The Four Hundred and Fiftieth Anniversary of the Birth of Copernicus, pp. 196-197
C. G. Abbot


Scientific Events
Edward Jenner, p. 198
The London Zoological Gardens, pp. 198-199
List of Scientific Periodicals, pp. 199-200
Cornell University Summer School of Biology, p. 200
The Medals of the American Geographical Society, p. 200


Scientific Notes and News, pp. 200-204
University and Educational Notes, p. 204


Discussion and Correspondence
Reaction Time and Fatigue, pp. 204-205
R. H. Tucker
Physiology of Stomata of Rumex Patientia, pp. 205-206
J. D. Sayre
A Botanical Spelling Match, p. 206
Herbert C. Hanson


Scientific Books
A Guide Book of the Geological Survey, pp. 206-207
Review author[s]: A. R. Crook


Suggestions for a World-Code of Plant Nomenclature, pp. 207-208
T. A. Sprague; A. S. Hitchcock


Special Articles
A Comparison of the Mortality of Certain Lower Organisms with That of Man, pp. 209-212
Raymond Pearl; Carl R. Doering


The American Association for the Advancement of Science, pp. 212-218
Science News, pp. ix-x+xii+xiv

Previous Issue: New Series, Vol. 57, No. 1467, Feb. 9, 1923
Next Issue: New Series, Vol. 57, No. 1469, Feb. 23, 1923



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