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Science, New Series, Vol. 91, No. 2351, Jan. 19, 1940


Previous Issue: New Series, Vol. 91, No. 2350, Jan. 12, 1940
Next Issue: New Series, Vol. 91, No. 2352, Jan. 26, 1940


Front Matter (10 pp.)


The American Association for the Advancement of Science
White Man Versus the Prairie, pp. 53-58
Raymond J. Pool


Vitamin K, pp. 58-62
E. A. Doisy; S. B. Binkley; S. A. Thayer; R. W. McKee


Obituary
Ferdinand Augustus Silcox: 1882-1939, pp. 62-63
Henry S. Graves
Recent Deaths and Memorials, p. 63


Scientific Events
The Cancer Institute of Medicine at Buenos Aires, pp. 63-64
Cooper Union Engineering Camp, p. 64
The Observatory of the Case School of Applied Science, pp. 64-65
Expeditions of the Field Museum, Chicago, p. 65
The New York Meeting of the American Physical Society, pp. 65-66
Awards of the Geological Society, London, p. 66


Scientific Notes and News, pp. 66-69


Discussion
Stagnation of Ice in Connecticut, pp. 69-70
Richard J. Lougee
Macrocosms in Vitro, pp. 70-71
J. Robert Wells
Tornado Cloud Seen in Alaska, p. 71
W. A. Rockie
A New Use for the Psychological Index, p. 72
H. L. Ansbacher


Quotations
The University of Cracow, pp. 72-73


Scientific Books
A Study of Pneumonia, pp. 73-74
Pneumonia, with Special Reference to Pneumococcus Pneumonia
Roderick Heffron
Review author[s]: Colin M. MacLeod


Special Articles
The Chromosomes of the Chimpanzee, pp. 74-75
C. H. Yeager; T. S. Painter; R. M. Yerkes
Cortin-Like Effects of Steroid Glycosides on Potassium, pp. 75-76
Raymund L. Zwemer; Bertrand E. Lowenstein
Coenzyme Concentration of Tissues, p. 76
Frederick Bernheim; Anton V. Felsovanyi
Particulate Components of Normal and Tumor Cells, pp. 77-78
Albert Claude


Science News, pp. 8+10a+11a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 91, No. 2350, Jan. 12, 1940
Next Issue: New Series, Vol. 91, No. 2352, Jan. 26, 1940



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