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Science, New Series, Vol. 116, No. 3002, Jul. 11, 1952


Previous Issue: New Series, Vol. 116, No. 3001, Jul. 4, 1952
Next Issue: New Series, Vol. 116, No. 3003, Jul. 18, 1952


Front Matter (1 p.)
Monozygotic Twin Beef Cattle in Nutrition Research, p. 3
C. F. Winchester

The Scientific Council on Problems of the Physiological Theory of Academician I. P. Pavlov: A Study in Control, pp. 23-27
Ivan D. London

News and Notes, pp. 27-32


Technical Papers
Conjugation in Tetrahymena, pp. 33-34
Alfred M. Elliott; David L. Nanney
Some Oxidation Products of DL-α-Tocopherol Obtained with Ferric Chloride, pp. 34-35
Vernon L. Frampton; W. A. Skinner; Philip S. Bailey
An Egg Encrusted with Protoporphyrin, pp. 35-36
F. B. Hutt; J. B. Sumner
The Accelerating Effect of Calcium on the Fibrinogen-Fibrin Transformation, pp. 36-37
G. Rosenfeld; B. Jánszky
Enzymatic Cytolysis of Epithelium by Filtrates of Feces from Patients with Ulcerative Colitis, pp. 37-39
Richard B. Stoughton
Effect of p-Chlorophenoxyacetic Acid (ClPA) and 3-Indolacetic Acid (IA) on Certain Dehydrogenase Systems of the Tomato Fruit, L. esculentum, pp. 39-41
F. G. Teubner; A. E. Murneek
Carbon--Carbon Bond Lengths, pp. 41-42
R. T. Sanderson


Comments and Communications
Geometric Deviations in the Growth of Tissue Cultures, p. 43
Ivor Cornman
Geometric Deviations in the Growth of Tissue Cultures, p. 43
Ivor Cornman
Migrating Aphids, pp. 43-44
George N. Wolcott


Book Reviews
----------------, p. 44
Thermodynamics of Alloys
John Lumsden
Review author[s]: W. E. Taylor


Scientific Book Register, p. 44

Previous Issue: New Series, Vol. 116, No. 3001, Jul. 4, 1952
Next Issue: New Series, Vol. 116, No. 3003, Jul. 18, 1952



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