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Science, New Series, Vol. 96, No. 2503, Dec. 18, 1942


Previous Issue: New Series, Vol. 96, No. 2502, Dec. 11, 1942
Next Issue: New Series, Vol. 96, No. 2504, Dec. 25, 1942


Front Matter (4 pp.)
The Organization of Biology and Agriculture, pp. 545-551
Robert F. Griggs


Obituary
John Joseph Ronan, pp. 551-552
A. K. Snelgrove
Recent Deaths, p. 552


Scientific Events
Grants for War Research to the University of Cincinnati, pp. 552-553
The Supply of Technical Men to the Armed Forces and to Industry, pp. 553-554
R. L. Sackett
Rare Chemicals, p. 554
The Inter-American Program of the American Standards Association, p. 554
Fellowships in the Medical Sciences of the National Research Council, pp. 554-555


Scientific Notes and News, pp. 555-558


Discussion
Predetermination of Sex, pp. 558-559
John W. Gowen; Ronald H. Nelson
Pedigreed Pine for Naval Stores Production, pp. 559-560
H. L. Mitchell; C. S. Schopmeyer; K. W. Dorman
A Need for More Uniform Usage of Words of Indefinite Meaning, p. 560
P. C. Ackerman


Scientific Books
Forest Tree Seed, pp. 560-562
Forest Tree Seed
Henry Ives Baldwin
Review author[s]: Hardy L. Shirley


Special Articles
Cross-Circulation as a Method in the Study of Drug Fixation and Poisoning, pp. 562-563
Theodore Koppanyi; Charles R. Linegar
The Action of Sulfanilamide Compounds on the Lethal Factor of Bacterial Toxins, pp. 563-564
S. H. Hutner; Paul A. Zahl
Anticipatory Cardiac Acceleration during Sleep, pp. 564-565
M. M. Jackson


Scientific Apparatus and Laboratory Methods
A Rapid Method for the Determination of Nitrogen in Plant Tissue, pp. 565-566
R. C. Lindner; C. P. Harley


Science News, pp. 10-12

Previous Issue: New Series, Vol. 96, No. 2502, Dec. 11, 1942
Next Issue: New Series, Vol. 96, No. 2504, Dec. 25, 1942



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