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Science, New Series, Vol. 106, No. 2743, Jul. 25, 1947


Previous Issue: New Series, Vol. 106, No. 2742, Jul. 18, 1947
Next Issue: New Series, Vol. 106, No. 2744, Aug. 1, 1947


Front Matter (2 pp.)
The Native Protein, pp. 73-76
Dorothy Wrinch

Tidal Illumination Diagrams, pp. 76-77
H. R. Seiwell

News and Notes, pp. 78-83


Comments by Readers
Robert M. Salter's Paper, pp. 83-84
Defense of the Scientific Status of Psychology and the Social Studies, p. 84
Human Society is Largely Governed, Not by Physiological Processes, but by a Symbolism, p. 84


Technical Papers
Reproductive Cycles of Five Species of Texas Centrarchids, pp. 85-86
Clarence L. Schloemer
Intercellular Surface Phagocytosis, pp. 86-87
W. Barry Wood; Mary Ruth Smith
Use of 2, 4-D Weed Killers on Woody Weeds in Cuba, p. 87
Kenneth V. Thimann
Note on the Theory of Radiation-Induced Lethals in Drosophila, pp. 87-88
U. Fano
Cosmic Radiocarbon and Natural Radioactivity of Living Matter, pp. 88-89
A. V. Grosse; W. F. Libby


In the Laboratory
Bioassay by Direct Potency Estimation, pp. 89-91
S. Loewe
Identification and Chromatography of Androgens as Their 2, 4-Dinitrophenylhydrazones, p. 91
Carter D. Johnston


Book Reviews
----------------, p. 92
Veterinary Bacteriology
Ival Arthur Merchant
Review author[s]: Robert Graham
----------------, p. 92
Rehabilitation through Better Nutrition
Tom D. Spies
Experiences with Folic Acid
Tom D. Spies
Review author[s]: Edward J. Stieglitz
----------------, p. 92
Animal Nutrition
Leonard A. Maynard
Review author[s]: T. S. Sutton

Previous Issue: New Series, Vol. 106, No. 2742, Jul. 18, 1947
Next Issue: New Series, Vol. 106, No. 2744, Aug. 1, 1947



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