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Science, New Series, Vol. 112, No. 2898, Jul. 14, 1950


Previous Issue: New Series, Vol. 112, No. 2897, Jul. 7, 1950
Next Issue: New Series, Vol. 112, No. 2899, Jul. 21, 1950


Control of Precipitation from Cumulus Clouds by Various Seeding Techniques, pp. 35-41
Irving Langmuir


Technical Papers
The Electron Microscopy of Sectioned Nerve, pp. 42-43
George Rozsa; Councilman Morgan; Albert Szent-Györgyi; Ralph W. G. Wyckoff
Studies on Pituitary Adrenocorticotropin, pp. 43-46
J. B. Lesh; J. D. Fisher; I. M. Bunding; J. J. Kocsis; L. J. Walaszek; W. F. White; E. E. Hays
Sanitary Seal for Infrared Microcells, pp. 46-47
Mortimer M. Elkind
Electromagnetic Enrichment of Fe58 Content and Concurrent Impoverishment of Fe54 Content in Iron, p. 47
C. P. Keim; H. W. Savage; Boyd Weaver
The Eosinophil Response: Immediate vs. Delayed Eosinopenia, pp. 47-49
Jules H. Last; Paul Jordan; Isadore Pitesky; Epperson Bond
Centrifugation as an Aid in Examining and Fixing Rotifers, p. 49
W. T. Edmondson
A Comparison of Meteor Activity with Occurrence of Sporadic E Reflections, pp. 50-51
V. C. Pineo
Polymers from Chicle, pp. 51-52
W. Schlesinger; H. M. Leeper
Several Effects of Maleic Hydrazide on Plants, pp. 52-53
Rufus H. Moore
A New Microculture Slide, p. 53
Richard N. Shoemaker
Absorption and Translocation of Radioactive 2,4-DI by Bean Plants as Affected by Cosolvents and Surface Agents, pp. 54-55
John W. Mitchell; Paul J. Linder
Effect of Bacterial Polysaccharide on Cell Division, pp. 56-57
L. V. Heilbrunn; W. L. Wilson
Amino Acids in High and Low Protein Corn, pp. 57-58
R. C. Miller; L. W. Aurand; W. R. Flach


Comments and Communications
Role of the Earth Sciences in General Education, pp. 59-60
David M. Delo
Compounds Capable of Plant Amylase Inhibition, p. 61
J. F. Volker
Discovery of Early Cretaceous Mammals and Frogs in Texas, p. 61
Rainer Zangerl; Robert H. Denison
Arctic Ice Drift and the Humboldt Current, pp. 61-62
Floyd M. Soule
Reaction Time of the Common Housefly (Musca domestica), p. 62
Carl M. Herget
I. Q. and Month of Birth, pp. 62-63
Hans C. Gordon; Benjamin J. Novak


Book Reviews
----------------, p. 64
Adaptation and Origin in the Plant World: The Role of Environment in Evolution
Frederic E. Clements; Emmett V. Martin; Frances L. Long
Review author[s]: John R. Reeder
----------------, pp. 64-65
Phenomena, Atoms and Molecules
Irving Langmuir
Review author[s]: Karl Lark-Horovitz
----------------, p. 65
The Sea and Its Mysteries: An Introduction to the Science of the Sea
John S. Colman
Review author[s]: Francis P. Shepard
----------------, pp. 65-66
Plant Pathology
Edwin J. Butler; S. G. Jones
Review author[s]: Clyde M. Christensen


Scientific Book Register, p. 66
News and Notes, pp. 67-70

Previous Issue: New Series, Vol. 112, No. 2897, Jul. 7, 1950
Next Issue: New Series, Vol. 112, No. 2899, Jul. 21, 1950



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