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Science, New Series, Vol. 114, No. 2950, Jul. 13, 1951


Previous Issue: New Series, Vol. 114, No. 2949, Jul. 6, 1951
Next Issue: New Series, Vol. 114, No. 2951, Jul. 20, 1951


Front Matter (1 p.)
Laboratory Infections, pp. 3a
S. Edward Sulkin; Robert M. Pike

The Application of Ecological Research to Aquiculture and the Fisheries, pp. 27-30
Curtis L. Newcombe


Technical Papers
Ultracentrifugal Studies of γ -Globulins Prepared by Electrophoresis-Convection, pp. 30-33
John R. Cann; Raymond A. Brown; S. J. Singer; John B. Shumaker; John G. Kirkwood
Unusual Fracture Traverse in Fluorite, pp. 33-34
Carl A. Zapffe
Density of Polystyrene Latex by a Centrifugal Method, pp. 34-35
H. Kahler; B. J. Lloyd
Prolongation of Thiopental Anesthesia in the Mouse by Premedication with Tetraethylthiuram Disulfide ("Antabuse"), pp. 35-36
Nicholas J. Giarman; Ferdinand H. Flick; Joseph M. White
Infrared Microspectrum of Living Muscle Cells, pp. 36-38
Darwin L. Wood
Amino Acid Constituents of Prochromosomes Isolated from Blood Cells of Various Animals, pp. 38-39
G. Yasuzumi; G. Miyao
Effects of an Isolated Dehydrogenase Enzyme and Flavoprotein on the Reduction of Triphenyltetrazolium Chloride, pp. 40-41
Arnold F. Brodie; Joseph S. Gots
The Use and Toxicity of Pontamine Sky Blue, pp. 41-42
Joseph Weinberg; E. M. Greaney; B. Rawlings; Thomas J. Haley
Ion Exchange Separation of Desoxyribonucleotides, pp. 42-43
Robert L. Sinsheimer; James F. Koerner
An Electronic Drinkometer, pp. 43-44
J. Harry Hill; Eliot Stellar
The Role of Thiouracil in the Induction, Growth, and Transplantability of Mouse Thyroid Tumors, pp. 44-46
Harold P. Morris; Celia Dubnik Green


Comments and Communications
Radioactivity of the Hot Springs of Tiberias, p. 46
David B. Rosenblatt
Climate and Culture--New Evidence, pp. 46-47
Paul B. Sears
Illiteracy Triumphant, p. 47
John Pfeiffer
On Requesting Chemicals, p. 48
Jackson P. English
Zoological Nomenclature: Notice of Proposed Suspension of Rules in Certain Cases for Avoidance of Confusion and Validation of Current Nomenclatorial Practice (A. (n.s.) 8), pp. 48-49
Francis Hemming
Erratum, p. 49


Book Reviews
----------------, p. 49
The Wealth of India: A Dictionary of Indian Raw Materials and Industrial Products; Raw Materials, Vol. II, and Industrial Products
B. N. Sastri
Review author[s]: A. F. Banfield
----------------, pp. 49-50
Oral Pathology
Kurt H. Thoma
Review author[s]: Joseph L. Bernier
----------------, p. 50
Studies in Late Tertiary Paleobotany
Daniel I. Axelrod
Review author[s]: Arthur A. Meyerhoff


Scientific Book Register, p. 50
News and Notes, pp. 51-54

Previous Issue: New Series, Vol. 114, No. 2949, Jul. 6, 1951
Next Issue: New Series, Vol. 114, No. 2951, Jul. 20, 1951



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