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Science, New Series, Vol. 53, No. 1364, Feb. 18, 1921


Previous Issue: New Series, Vol. 53, No. 1363, Feb. 11, 1921
Next Issue: New Series, Vol. 53, No. 1365, Feb. 25, 1921


Front Matter (1 p.)


The American Association for the Advancement of Science
The Practical Value of Anthropology to Our Nation, pp. 147-156
Albert Ernest Jenks


A Brief Historical Consideration of the Metric System, pp. 156-157
Louis C. Karpinski


Scientific Events
The Annual Meeting of the Board of Trustees of the American Museum of Natural History, pp. 157-158
Expeditions and Acquisitions of the American Museum, pp. 158-159
The Biological Field Station of Cornell University, p. 159
American Foundation in France for Prehistoric Studies, pp. 159-160


Scientific Notes and News, pp. 160-163
University and Educational News, p. 163


Discussion and Correspondence
On the Occurrence of Aƫdes Sollicitans in Fresh Water Polluted by Acid Waste, p. 163
Samuel F. Hildebrand
The History of Science and the American Association for the Advancement of Science, pp. 163-164
Florian Cajori
Concerning `` Aerial Photo-Hydrography '', p. 164
Willis T. Lee
Soil Color Standards, pp. 164-165
J. G. Hutton


Scientific Books
----------------, pp. 165-167
The Letters of William James
Henry James
Review author[s]: Edward L. Thorndike


Special Articles
Non-Disjunction of the Fourth Chromosome of Drosophila, p. 167
C. C. Little


The American Association for the Advancement of Science
Report of the Treasurer for 1920, pp. 167-169
Herbert A. Gill
Financial Report of the Permanent Secretary for the Partial Year, April 1, 1920, to September 30, 1920, pp. 169-170
Herbert A. Gill


Back Matter (1 p.)

Previous Issue: New Series, Vol. 53, No. 1363, Feb. 11, 1921
Next Issue: New Series, Vol. 53, No. 1365, Feb. 25, 1921



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