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Science, New Series, Vol. 56, No. 1446, Sep. 15, 1922


Previous Issue: New Series, Vol. 56, No. 1445, Sep. 8, 1922
Next Issue: New Series, Vol. 56, No. 1447, Sep. 22, 1922


Front Matter (1 p.)
Discovery of Cretaceous and Older Tertiary Strata in Mongolia, pp. 291-293
Henry Fairfield Osborn

The Feeding Power of Plants, pp. 294-298
E. Truog

The Teaching of Evolution, pp. 298-301
F. L. Pickett


Scientific Events
Vital Statistics of German Cities, pp. 301-302
The Redwood Trees of California, pp. 302-303
Ceramic Day, p. 303
R. D. Landrum
The Geological Society of America, pp. 303-304
Edmund Otis Hovey
The Journal of Physical Chemistry, p. 304
Chemical Prize Established by the Allied Chemical and Dye Corporation, pp. 304-305
Members of the American Medical Association and the American Association for the Advancement of Science, p. 305
Burton E. Livingston


Scientific Notes and News, pp. 305-307
University and Educational Notes, pp. 307-308


Discussion and Correspondence
The Zodiacal Light, p. 308
Chase S. Osborn
The Mealy-Bug Called Pseudococcus bromeliæ, and Other Coccids, pp. 308-309
T. D. A. Cockerell
The Determination of Fat in Cream, pp. 309-310
H. W. Gregory
Dr. Lipmann's Laboratory of Applied Psychology, pp. 310-311
J. B. Miner
Shipment of American Scientific Literature to Russia, p. 311
Raphael Zon


Quotations
Children and Museums, pp. 311-312


Scientific Books
----------------, pp. 312-313
The Coccidæ of Ceylon
E. Ernest Green
Review author[s]: G. F. Ferris


Special Articles
Photoperiodism of Wheat; a Determining Factor in Acclimatization, pp. 313-315
H. M. Wanser
Improved Methods in near Infra-Red Absorption Study, pp. 315-316
Joseph W. Ellis

Previous Issue: New Series, Vol. 56, No. 1445, Sep. 8, 1922
Next Issue: New Series, Vol. 56, No. 1447, Sep. 22, 1922



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