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Science, New Series, Vol. 111, No. 2887, Apr. 28, 1950


Previous Issue: New Series, Vol. 111, No. 2886, Apr. 21, 1950
Next Issue: New Series, Vol. 111, No. 2888, May 5, 1950


The National Academy of Sciences: Abstracts of Papers Presented at the Annual Meeting, April 24-26, 1950, Washington, D. C., pp. 453-463


Technical Papers
The Availability of Various Manganese Oxides to Plants, pp. 463-464
L. H. P. Jones; G. W. Leeper
The Distribution of S34 in Nature and the Sulfur Cycle, pp. 464-465
A. Szabo; A. Tudge; J. Macnamara; H. G. Thode
Weight and Body Temperature, pp. 465-466
Simon Rodbard
On the Amendment of the Nomenclature of the Rh-CDE System, pp. 466-467
Edward F. Ducey; Robert I. Modica
Rate of Elimination of C14 Administered as BaC14O3, pp. 467-469
J. Govaerts
Studies on the Metabolism of Administered Cytochrome C by the Aid of Iron-Labeled Cytochrome, pp. 469-470
Helmut Beinert
A Noncarotene Provitamin A for Fishes, pp. 471-472
Charles E. Lane
Pantothenic Acid in Copper Deficiency in Rats, pp. 472-473
Leon Singer; George K. Davis
The Isolation of a Mucopolysaccharide from Aerobacter aerogenes, pp. 473-474
George H. Warren
On the Mechanism of Action of Aureomycin, p. 474
W. F. Loomis


Comments and Communications
Absence of Vitamin A in Liver Oil of the Brown Shark, p. 475
F. Bruce Sanford; Kelshaw Bonham
Radioactive Phenomena at the Hillside Mine, p. 475
Chas. H. Dunning
Fermentative Capacity of Lactobacilli from Carious Lesions, p. 476
Frank J. Orland
The Agricultural Impasse, p. 476
Alden Potter
Note on the Protective Action of Diparcol against Lethal Doses of Nicotine, p. 476
P. S. Larson; C. B. Van Slyke; J. K. Finnegan; H. B. Haag


News and Notes, pp. 477-480

Previous Issue: New Series, Vol. 111, No. 2886, Apr. 21, 1950
Next Issue: New Series, Vol. 111, No. 2888, May 5, 1950



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