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Science, New Series, Vol. 110, No. 2868, Dec. 16, 1949


Previous Issue: New Series, Vol. 110, No. 2867, Dec. 9, 1949
Next Issue: New Series, Vol. 110, No. 2869, Dec. 23, 1949


Statement of the National Academy of Sciences on the AEC Fellowship Program, pp. 649-651+670
Growth Failure in School Children as Associated with Vitamin B12 Deficiency--Response to Oral Therapy, pp. 651-653
Norman C. Wetzel; Warren C. Fargo; Isabel H. Smith; Josephine Helikson


Technical Papers
Atom Bomb Cataracts, pp. 654-655
David G. Cogan; S. Forrest Martin; Samuel J. Kimura
Cyclotron-Induced Radiation Cataracts, pp. 655-657
P. H. Abelson; P. G. Kruger
Sodium 2-Methyl-4-Dimethylaminophenyl-Phosphinite, a Probable Methyl Donor, pp. 657-658
G. Moruzzi; C. A. Rossi; A. Rabbi
Application of Perchloric Acid Technique to Protozoa, p. 659
B. R. Seshachar; Eleanor Weiss Flick
The Use of Triphenyltetrazolium Chloride for the Study of Respiration of Tissue Slices, pp. 660-661
Maurice M. Black; Israel S. Kleiner
Electrolytically Induced Reactions, p. 661
William Marshall MacNevin
The Isolation of a Metabolite of Pentobarbital, pp. 661-662
E. W. Maynert; H. B. Van Dyke
Detection of Radioactive Impurities by the Constant Solubility Test, pp. 662-663
Helmut R. Gutmann; John L. Wood
Some Observations on Exchange of CO2 between BaCO3 and CO2 Gas, pp. 663-665
George Samos
Modifications of the Rabbit Ear Chamber Technique, p. 665
J. J. Ahern; W. R. Barclay; R. H. Ebert


Comments and Communications
On the Mental Ability of the Dog, p. 666
Joseph R. Royce
Citation of Botanical References, pp. 666-668
Elbert L. Little


Book Reviews
----------------, p. 669
Human Behavior and the Principle of Least Effort: An Introduction to Human Ecology
George Kingsley Zipf
Review author[s]: John Q. Stewart


News and Notes, pp. 671-674

Previous Issue: New Series, Vol. 110, No. 2867, Dec. 9, 1949
Next Issue: New Series, Vol. 110, No. 2869, Dec. 23, 1949



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