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Science, New Series, Vol. 102, No. 2639, Jul. 27, 1945


Previous Issue: New Series, Vol. 102, No. 2638, Jul. 20, 1945
Next Issue: New Series, Vol. 102, No. 2640, Aug. 3, 1945


Front Matter (3 pp.)


The American Association for the Advancement of Science
Report of the Executive Committee, pp. 77-78
F. R. Moulton
Meetings during 1945-1946, p. 78


Summary of the Report to the President on a Program for Postwar Scientific Research by Vannevar Bush, Director of Osrd, pp. 79-81
The Renal Regulation of Acid Base Balance with Special Reference to the Mechanism for Acidifying the Urine. II, pp. 81-85
Robert F. Pitts


Obituary
Curtis J. Hesse, p. 86
Harold Vance


Scientific Events
German Universities and Museums, pp. 86-87
The Chinese Journal of Physics, p. 87
J. W. Buchta
Grants of the Sugar Research Foundation, pp. 87-88
Grants from the Penrose Fund of the American Philosophical Society, p. 88
The American Society of Tropical Medicine, pp. 88-89


Scientific Notes and News, pp. 89-91


Special Articles
Nutritive Value of the Mexican Tortilla, pp. 91-93
René O. Cravioto; Richmond K. Anderson; Ernest E. Lockhart; Francisco De P. Miranda; Robert S. Harris
Antihistaminic and Antianaphylactic Activity of Some α -Pyridino-Ethylenediamines, pp. 93-94
Rudolf L. Mayer; Charles P. Huttrer; Caesar R. Scholz
The Role of Nicotine in the Cigarette Habit, pp. 94-96
J. K. Finnegan; P. S. Larson; H. B. Haag
Penicillin in Experimental Spotted Fever, pp. 96-97
Florence K. Fitzpatrick


Scientific Apparatus and Laboratory Methods
The Use of "Tagged" Derivatives in the Fluorimetric Assay of Vitamins, pp. 97-99
Theodore E. Friedemann; Ernestine I. Frazier
The Inhibition of Pollen Production in Ragweed by the Use of Chemical Sprays, pp. 99-100
B. H. Grigsby


Discussion
The Controversy on Cholinesterases, pp. 100-101
David Glick
The Genetic Designation of "Strain" in Bacteriology, pp. 101-102
E. M. Hildebrand
Experimental Tumors in an Insect, p. 102
Berta Scharrer
The Shortage of Scientific Personnel, pp. 102-103
Charles G. Wilber


Scientific Books
Charles Davies Sherborn, p. 103
Squire: Memoirs of Charles Davies Sherborn
J. R. Norman
Review author[s]: Kirtley F. Mather
The Birds of California, pp. 103-104
The Distribution of the Birds of California
Joseph Grinnell; Alden H. Miller
Review author[s]: R. C. Murphy


Science News, p. 10

Previous Issue: New Series, Vol. 102, No. 2638, Jul. 20, 1945
Next Issue: New Series, Vol. 102, No. 2640, Aug. 3, 1945



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