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Science, New Series, Vol. 106, No. 2757, Oct. 31, 1947


Previous Issue: New Series, Vol. 106, No. 2756, Oct. 24, 1947
Next Issue: New Series, Vol. 106, No. 2758, Nov. 7, 1947


Front Matter (2 pp.)
Some Problems of Human Ecology in Polar Regions, pp. 405-409
M. C. Shelesnyak

A System of Nomenclature for Isotopic Compounds, pp. 409-411
John W. Otvos; Charles D. Wagner

News and Notes, pp. 411-414


Comments by Readers
The Memorandum, p. 415
Forgotten Material on the Dental Aspects of Prenatal Injury, pp. 415-416
A Compilcated Physiological Response, p. 416


Technical Papers
Chloromycetin, a New Antibiotic from a Soil Actinomycete, p. 417
John Ehrlich; Quentin R. Bartz; Robert M. Smith; Dwight A. Joslyn; Paul R. Burkholder
Chloromycetin, an Antibiotic with Chemotherapeutic Activity in Experimental Rickettsial and Viral Infections, pp. 418-419
J. E. Smadel; E. B. Jackson
Initiation of the Cone Gall of Witch Hazel, pp. 419-420
Ivey F. Lewis; Lucile Walton
A Relationship between Cystine and Pyridoxal or Pyridoxamine in the Nutrition of Certain Bacteria, p. 420
Marvin L. Speck; Dorothy A. Pitt
Protection of Synaptic Transmission against Block by Nicotine, p. 421
C. A. G. Wiersma; William Schallek
Role of Inhibitors in Soybean, pp. 421-422
H. S. R. Desikachar; S. S. De
Effect of Benzene Hexachloride on the Flavor of Poultry Meat, pp. 422-423
Ephriam Hixson; Martin H. Muma
In vitro Resistance of the Genus Bacteroides to Streptomycin, pp. 423-424
George E. Foley


In the Laboratory
A Method for Determining the Volume of Small Solid Objects, p. 425
James M. Stewart
A Contact Culture Method for Detecting Molds on Surfaces, pp. 425-426
F. A. Hodges; J. D. Wildman
The Color Reactions of Sulfonamides with β -Naphthoquinone-4-Sulfonate, p. 426
F. J. Bandelin
Recording Uterine Contraction Patterns in Pregnant Women: Application of the Strain Gage in a Multichannel Tokodynamometer, pp. 427-428
S. R. M. Reynolds; O. O. Heard; Paul Bruns
Freezing Points of Cobalt and Nickel and a New Determination of Planck's Constant C2, pp. 428-429
M. S. Van Dusen; A. I. Dahl


Book Reviews
----------------, p. 430
Adolescent Sterility: A Study in the Comparative Physiology of the Infecundity of the Adolescent Organism in Mammals and Man
M. F. Ashley Montagu
Review author[s]: Raphael Kurzrok
----------------, p. 430
Curare: Its History, Nature, and Clinical Use
A. R. McIntyre
Review author[s]: Walter R. Miles
----------------, p. 430
Injection Molding of Plastics
Islyn Thomas
Review author[s]: J. M. Grim

Previous Issue: New Series, Vol. 106, No. 2756, Oct. 24, 1947
Next Issue: New Series, Vol. 106, No. 2758, Nov. 7, 1947



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