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Science, New Series, Vol. 108, No. 2795, Jul. 23, 1948


Previous Issue: New Series, Vol. 108, No. 2794, Jul. 16, 1948
Next Issue: New Series, Vol. 108, No. 2796, Jul. 30, 1948


Front Matter (2 pp.)
On the Deck of the Caryn (1 p.)
X-Ray, Electron, and Neutron Diffraction, pp. 69-75
C. G. Shull; E. O. Wollan

American Association for the Advancement of Science: The Centennial Celebration--Washington, D. C. September 13-17, 1948, pp. 76-78
News and Notes, pp. 78-81


Comments and Communications
The Formation of Malignant Tumors in Mice by Deuteron-Bombarded Methylcholanthrene, p. 82
Benjamin F. Barnes; Fred C. Freytag; Warren M. Garrison; Irene Rosenfeld
Deformylation of 3-Formoxy Steroids on Activated Alumina, p. 82
Robert H. Levin; A. Vern McIntosh; George B. Spero
On the Use of Roughage in Rat Diets, pp. 82-83
N. B. Guerrant
The Scientist and Social Issues, p. 83
P. J. Olson


Technical Papers
Insecticidal Activity of 2,2-bis-(2-Chlorothienyl)-1,1,1-Trichloroethane, pp. 84-85
Robert L. Metcalf
A Theory of Herbicidal Action, pp. 85-86
A. S. Crafts
Progesterone in Blood Plasma of the Ovulating Hen, pp. 86-87
Richard M. Fraps; Charles W. Hooker; Thomas R. Forbes
Phosphorylase in Guard Cells, pp. 87-88
H. C. Yin; Y. T. Tung
Inadequacy of Proteolytic Enzyme Inhibition as Explanation for Growth Depression by Lima Bean Protein Fractions, pp. 88-89
A. A. Klose; J. D. Greaves; H. L. Fevold


In the Laboratory
A Device for Obtaining a Continuous Record of Body Temperature from the External Auditory Canal, pp. 90-91
Roger J. Williams; Roy C. Thompson
Use of X-Ray and Electron Diffraction as Methods of Analysis in Biochemical Chromatography, pp. 91-92
C. L. Christ; C. J. Burton; M. C. Botty
The Fumarate Content of Certain Tissues of the Rat as Determined by Partition Chromatography, p. 92
Lawrence M. Marshall; James M. Orten; Arthur H. Smith
Apparatus for Semimicro Electrodialysis, p. 93
Karl F. Urbach; Jerry J. Svarz


Book Reviews
----------------, p. 94
The Science of Plastics: A Comprehensive Source Book Based on the Original Literature for 1942-1946
H. Mark; E. S. Proskauer
Review author[s]: George H. Brother


Scientific Book Register, p. 94

Previous Issue: New Series, Vol. 108, No. 2794, Jul. 16, 1948
Next Issue: New Series, Vol. 108, No. 2796, Jul. 30, 1948



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