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Science, New Series, Vol. 62, No. 1595, Jul. 24, 1925


Previous Issue: New Series, Vol. 62, No. 1594, Jul. 17, 1925
Next Issue: New Series, Vol. 62, No. 1596, Jul. 31, 1925


Front Matter (3 pp.)
Some Mathematical Aspects of Cosmology, pp. 63-72
W. D. McMillan

The Third Pan-Pacific Science Congress, pp. 73-74


Scientific Events
The German Museum of Applied Science, pp. 74-75
Standardization of Colors for Traffic Signals, p. 75
Gifts to Harvard University, p. 75
The Hopkins Marine Station, p. 76


Scientific Notes and News, pp. 76-81
University and Educational Notes, p. 81


Discussion and Correspondence
The Art of Pluviculture, pp. 81-82
David Starr Jordan
A Root Rot of Alfalfa, pp. 82-83
L. W. Durrell; W. G. Sackett
The Definition of Loess, p. 83
John L. Tilton


Quotations
What Is Reason For?, pp. 83-84


Scientific Books
----------------, pp. 84-85
Interfacial Forces and Phenomena in Physiology
William M. Bayliss
Review author[s]: Ralph S. Lillie


Scientific Apparatus and Laboratory Methods
A Simplified Rainproof Valve for Porous Porcelain Atmometers, pp. 85-86
L. J. Pessin


Special Articles
The Photochemistry of Cod Liver Oil, pp. 86-87
E. S. West; G. H. Bishop
"Russell Effect," Not Ultraviolet Light, Responsible for Changes Produced in the Photographic Plate by Antirachitic Substances, pp. 87-88
I. N. Kugelmass; I. McQuarrie


The American Chemical Society
Division of Chemical Education, pp. 89-90


Science News, pp. viii+x

Previous Issue: New Series, Vol. 62, No. 1594, Jul. 17, 1925
Next Issue: New Series, Vol. 62, No. 1596, Jul. 31, 1925



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