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Science, New Series, Vol. 111, No. 2890, May 19, 1950


Previous Issue: New Series, Vol. 111, No. 2889, May 12, 1950
Next Issue: New Series, Vol. 111, No. 2891, May 26, 1950


Front Matter, p. 553
Heredity, Environment, and Politics, pp. 529-539
T. M. Sonneborn


Technical Papers
The Incidence of Bacteremia in Mice Subjected to Total Body X-Radiation, pp. 540-541
C. Phillip Miller; Carolyn W. Hammond; Marianne Tompkins
The Effect of Cobalt on the Microbial Synthesis of LLD-Active Substances, pp. 541-542
David Hendlin; Myrle L. Ruger
Formation of Pentose Phosphate from 6-Phosphogluconate, pp. 543-544
Seymour S. Cohen; Dwight B. McNair Scott
Transplantation of Rabbit Blastocysts at Late Stage: Probability of Normal Development and Viability at Low Temperature, pp. 544-545
M. C. Chang
Brucella Agglutinin-Blocking Phenomenon in Bovine Sera, pp. 545-546
Charles D. Cox; Leon J. Kutner
Water Absorption from the Atmosphere by Plants Growing in Dry Soil, pp. 546-548
Edward C. Stone; F. W. Went; C. L. Young
Disruption of Mitosis by Desiccated Thyroid Tissue, pp. 548-550
Sidney Mittler; Robert H. Herman
A Laboratory Lyophil Apparatus, pp. 550-551
George Holzman
Pollination of Asarum canadense L., p. 551
Harvey E. Wildman


Comments and Communications
Catalytic Effect of the Chromic Ion in the Barker Method for Protein-Bound Iodine Determination, p. 552
Edward A. Carr; Dorothy E. Graham; Selma Ober; Douglas S. Riggs
The Role of Lemmings at Point Barrow, Alaska, pp. 552-553
Neal A. Weber
Temperature and Man, p. 553
James R. Kuppers; Octavio A. L. Martins


News and Notes, pp. 554-558

Previous Issue: New Series, Vol. 111, No. 2889, May 12, 1950
Next Issue: New Series, Vol. 111, No. 2891, May 26, 1950



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