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Science, New Series, Vol. 96, No. 2502, Dec. 11, 1942


Previous Issue: New Series, Vol. 96, No. 2501, Dec. 4, 1942
Next Issue: New Series, Vol. 96, No. 2503, Dec. 18, 1942


Front Matter (4 pp.)
Science and Government, pp. 523-527
Harold G. Moulton

Wartime Chemicals from Natural Gas. II, pp. 527-530
Gustav Egloff


Scientific Events
The Gujarat Prehistoric Expedition, pp. 530-531
Oxygen Masks for the Army Air Force, p. 531
The Teaching of Tropical Medicine in Medical Schools, p. 532
Reprints of Beilstein's Handbook and of Chemical Abstracts, pp. 532-533
Byron Soule
The Radiological Research Laboratory of Columbia University, p. 533


Scientific Notes and News, pp. 533-535


Discussion
The Production of Saltpeter in the South during the Civil War, pp. 535-536
Stephen Taber
The Effect of Dehydration upon the Vitamin A Content of Eggs, p. 536
S. M. Hauge; F. P. Zscheile
The Preparation of High-School Science Teachers, pp. 536-537
Glen W. Warner


Scientific Books
The African Mosquitoes, pp. 537-538
Mosquitoes of the Ethiopian Region. III. Culicine adults and pupae
F. W. Edwards
Review author[s]: T. D. A. Cockerell
The Appalachian Valley of Virginia, pp. 538-539
Geology of the Appalachian Valley of Virginia
Charles Butts
Review author[s]: Ellis W. Shuler


Societies and Meetings
The Indiana Academy of Science, p. 539
C. M. Palmer
The Texas Academy of Science, p. 539
Leo T. Murray


Special Articles
Plasma Prothrombin Concentration in Dogs Given 3,3′ -Methylenebis(4-Hydroxycoumarin) and Purified Beef Prothrombin, p. 540
Daniel A. McGinty; Walter H. Seegers; Carl C. Pfeiffer; Earl R. Loew
Attempts at Purification of a Murine Strain of Human Poliomyelitis Virus, pp. 541-542
Jaques Bourdillon; Dan H. Moore
Dihydroxy-Stearic Acid and Vitamin K Deficiency, pp. 542-543
E. E. Lockhart; H. Sherman; R. S. Harris


Scientific Apparatus and Laboratory Methods
A Method for the Removal of Bacterial Contaminants from Suspensions of Influenza Virus, pp. 543-544


Science News, pp. 8-10

Previous Issue: New Series, Vol. 96, No. 2501, Dec. 4, 1942
Next Issue: New Series, Vol. 96, No. 2503, Dec. 18, 1942



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