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Science, New Series, Vol. 108, No. 2804, Sep. 24, 1948


Previous Issue: New Series, Vol. 108, No. 2803, Sep. 17, 1948
Next Issue: New Series, Vol. 108, No. 2805, Oct. 1, 1948


Front Matter (2 pp.)
Elvin C. Stakman: President of the AAAS, 1949 (1 p.)
Address of the President of the United States, pp. 313-314
The One World of Stars, pp. 315-321
Harlow Shapley

News and Notes, pp. 322-326


Technical Papers
The Quantitative Theory of Autoradiography Illustrated through Experiments with P32 in the Chick Embryo, pp. 327-328
Herman Branson; Louis A. Hansborough
Crystalline Serotonin, pp. 329-330
Maurice M. Rapport; Arda Alden Green; Irvine H. Page
The Action of Ryanodine on the Contractile Process in Striated Muscle, pp. 330-332
G. A. Edwards; E. A. Weiant; A. G. Slocombe; K. D. Roeder
The Homing Tendency of Shad, pp. 332-333
Edgar H. Hollis
Effect of Antiserum and Prolonged Cultivation on the Agglutinative Characteristics of a Type I Meningococcus, pp. 334-335
Dorothy Neuhof Naiman
The Inactivation of Invertase by Tyrosinase, pp. 335-336
Irwin W. Sizer
Mammary Carcinoma in Female Rats Fed 2-Acetylaminofluorene, pp. 336-337
R. W. Engel; D. H. Copeland


In the Laboratory
A Simple Micro-Beaker for Use with the Beckman pH Meter (Model G), pp. 338-339
Victor H. Dietz
A Rapid Method for Preparing DDT in the Laboratory, pp. 339-340
Joseph M. Ginsburg
Radiocardiography: A New Method for Studying the Blood Flow through the Chambers of the Heart in Human Beings, pp. 340-341
Myron Prinzmetal; Eliot Corday; H. C. Bergman; Lois Schwartz; Ramon J. Spritzler


Book Reviews
----------------, p. 342
Principles of Jet Propulsion and Gas Turbines
M. J. Zucrow
Review author[s]: Howard S. Seifert
----------------, p. 342
Advances in Military Medicine
C. Andrus
Review author[s]: Morris C. Leikind

Previous Issue: New Series, Vol. 108, No. 2803, Sep. 17, 1948
Next Issue: New Series, Vol. 108, No. 2805, Oct. 1, 1948



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