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Science, New Series, Vol. 92, No. 2396, Nov. 29, 1940


Previous Issue: New Series, Vol. 92, No. 2395, Nov. 22, 1940
Next Issue: New Series, Vol. 92, No. 2397, Dec. 6, 1940


Front Matter (5 pp.)


The American Association for the Advancement of Science
Preliminary Announcement of the Philadelphia Meeting, pp. 491-499
F. R. Moulton


Obituary
Harry Burr Ferris, pp. 499-500
H. S. Burr
Elvin L. Vernon, pp. 500-501
Worden Waring
Recent Deaths, p. 501


Scientific Events
The Plant, Soil and Nutrition Laboratory Building of the Federal Government at Cornell University, pp. 501-502
Fellowships of the E. I. Du Pont De Nemours and Company, p. 502
The Pan American Congress of Ophthalmology, pp. 502-503
The New York Meeting of the American Society of Mechanical Engineers, p. 503


Scientific Notes and News, pp. 503-506


Discussion
Problems of Aging, pp. 506-507
Edward J. Stieglitz
Shall Zoology Revert to the Time of Linnaeus?, pp. 507-508
Leonard P. Schultz
Paleontological Discovery in Siberia, p. 508
A. Hrdlička


Scientific Books
Flora of Indiana, pp. 508-509
Flora of Indiana
Charles C. Deam
Review author[s]: Henry K. Svenson
Land Mollusca of North America, p. 509
Land Mollusca of North America (North of Mexico)
Henry A. Pilsbry
Review author[s]: Paul Bartsch


The National Academy of Sciences
Abstracts of Papers, pp. 510-512


Special Articles
Attenuation of Cell Stimulating Bacteria by Specific Amino Acids, pp. 512-513
J. M. Van Lanen; I. L. Baldwin; A. J. Riker
Localization of Choline Esterase in Nerve Fibers, pp. 513-514
E. J. Boell; D. Nachmansohn
Feline Pellagra, p. 514
M. K. Heath; J. W. MacQueen; T. D. Spies
Structure-Proteins, pp. 514-515
I. Banga; A. Szent-Györgyi


Scientific Apparatus and Laboratory Methods
Double-Staining in Toto with Hematoxylin and Eosin, pp. 515-516
Chao-Fa Wu
Sterilization of Surgical Instruments by Di-Ethylene Glycol, p. 516
Charles Gurchot; Newton D. Mellars
"Stuck" Syringes, p. 516
W. J. Nungester


Science News, pp. 8+10+12

Previous Issue: New Series, Vol. 92, No. 2395, Nov. 22, 1940
Next Issue: New Series, Vol. 92, No. 2397, Dec. 6, 1940



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