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Science, New Series, Vol. 101, No. 2634, Jun. 22, 1945


Previous Issue: New Series, Vol. 101, No. 2633, Jun. 15, 1945
Next Issue: New Series, Vol. 101, No. 2635, Jun. 29, 1945


Front Matter (3 pp.)
Shall They Survive?, pp. 625-629
E. V. Cowdry

Rainfall Periodicity in Relation to Malaria and Agriculture in the near East, pp. 629-631
Helmut De Terra


Obituary
Merton B. Waite, p. 632
A. F. Woods
Recent Deaths, p. 632


Scientific Events
Plans of the General Electric Company for a New Research Laboratory, pp. 632-633
The Biometric Bulletin, p. 633
The American Geophysical Union, p. 633
The American Astronomical Society, p. 634
Dean B. McLaughlin
Honorary Degrees Conferred by Columbia University, p. 634


Scientific Notes and News, pp. 634-637


Discussion
World Standard and Unit for Penicillin, pp. 637-638
Percival Hartley
Azimuthal Equidistant Map, p. 638
H. Herbert Howe
Botanical Work of the Cinchona Missions, pp. 638-639
L. R. Holdridge
Stars in American Men of Science, p. 639
Richard W. Foster
Employment after the War, pp. 639-640
T. D. A. Cockerell


Special Articles
Production of Immunity to Dengue with Virus Modified by Propagation in Mice, pp. 640-642
Albert B. Sabin; R. Walter Schlesinger
Bacteriostatic and Bactericidal Properties of 2,4-Dichlorophenoxyacetic Acid, pp. 642-644
E. C. Stevenson; John W. Mitchell
The Production of Carcinoma and Sarcoma in Transplanted Embryonic Tissues, pp. 644-645
Harry S. N. Greene
Acetyl Choline and the Activation of Marine Eggs, pp. 645-646
Bradley T. Scheer
The Oxydase Reaction in Chick Embryos and Broth Media Containing Neisseria, pp. 646-647
Harry A. Feldman


Scientific Apparatus and Laboratory Methods
A Microbiological and Fluorometric Test for Minute Amounts of Alloxan, pp. 647-649
Sachchidananda Banerjee; Karl Dittmer; Vincent Du Vigneaud
A Hanging Drop Method for Continuous Observation of the Activity of Organisms in Cyanide, pp. 649-650
Wilbur Robbie


Scientific Books
Mineralogy, pp. 650-652
Dana's System of Mineralogy
Charles Palache; Harry Berman; Clifford Frondel
Review author[s]: M. J. Buerger
Fresh-Water Snails, p. 652
The Molluscan Family Planorbidae
Frank Collins Baker
Review author[s]: Horace B. Baker


Science News, p. 10

Previous Issue: New Series, Vol. 101, No. 2633, Jun. 15, 1945
Next Issue: New Series, Vol. 101, No. 2635, Jun. 29, 1945



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