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Science, New Series, Vol. 63, No. 1621, Jan. 22, 1926


Previous Issue: New Series, Vol. 63, No. 1620, Jan. 15, 1926
Next Issue: New Series, Vol. 63, No. 1622, Special Issue Containing the Reports of the Kansas City Meeting of the American Association for the Advancement of Science and Associated Societies. Edited by Burton E. Livingston, Permanent Secretary, Jan. 29, 1926


Front Matter (4 pp.)


The American Association for the Advancement of Science
Methods of Racial Analysis, pp. 75-81
E. A. Hooton


Popular Astronomic Education in Europe, pp. 81-84
G. Clyde Fisher

Edward Fuller Holden, pp. 84-85
Edward H. Kraus


Scientific Events
The Merger of the Armour Institute of Technology with Northwestern University, p. 85
The New York Zoological Society, pp. 85-86
The James Simpson-Roosevelt Expedition of the Field Museum, p. 86
The Norton Bronze Tablet at Cornell College, pp. 86-87


Scientific Notes and News, pp. 87-91
University and Educational Notes, p. 91


Discussion and Correspondence
A Note on the Humboldt Current and the Sargasso Sea, pp. 91-92
William Beebe
An Investigation of the Periodic Fluctuations in the Numbers of the Ruffed Grouse, pp. 92-93
J. C. Phillips
Gonionemus, p. 93
H. F. Perkins
The Value of Sociology, pp. 93-94
Ransom A. Mackie
The Deepest Hole, p. 94
M. E. Johnson


Scientific Books
----------------, pp. 95-96
Photoelectricity
H. Stanley Allen
Review author[s]: Herbert E. Ives


Special Articles
Remarks on Surface Distribution of Marine Plankton Diatoms in the East Pacific, pp. 96-97
W. E. Allen
Rickets, Ultra-Violet Light and Milk, pp. 97-98
John W. Gowen; J. M. Murray; M. E. Gooch; Forrest B. Ames


The Federation of American Societies for Experimental Biology, p. 98
Walter J. Meek

Science News, pp. x+xii+xiv

Previous Issue: New Series, Vol. 63, No. 1620, Jan. 15, 1926
Next Issue: New Series, Vol. 63, No. 1622, Special Issue Containing the Reports of the Kansas City Meeting of the American Association for the Advancement of Science and Associated Societies. Edited by Burton E. Livingston, Permanent Secretary, Jan. 29, 1926



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