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Science, New Series, Vol. 81, No. 2091, Jan. 25, 1935


Previous Issue: New Series, Vol. 81, No. 2090, Jan. 18, 1935
Next Issue: New Series, Vol. 81, No. 2092, Special Issue Containing Reports of the Third Pittsburgh Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 1, 1935


Front Matter (1 p.)


The American Association for the Advancement of Science
Training, Practice and Mental Longevity, pp. 79-87
Walter R. Miles


Obituary
Nathaniel Lord Britton, pp. 87-88
Recent Deaths, p. 88


Scientific Events
Congress for Prehistoric Research in the Far East, p. 89
H. Otley Beyer
The Third International Congress of Soil Science, pp. 89-90
Report of Director of the New York Botanical Garden, p. 90
Fellowships in Medicine of the National Research Council, pp. 90-91
Francis G. Blake
The New Dean of the Yale School of Medicine, p. 91
The Rochester Meeting of the Geological Society of America, pp. 91-92


Scientific Notes and News, pp. 92-95


Discussion
The Whitney South Sea Expedition, pp. 95-97
Frank M. Chapman
The Western Invasion of Samia cecropia, pp. 97-98
T. D. A. Cockerell
The Ring Structure of Thymidine, p. 98
P. A. Levene; R. Stuart Tipson


Societies and Meetings
The Tennessee Academy of Science, p. 98
John T. McGill
The Second Quadrennial Congress of the Mathematicians of the Slav Countries, pp. 98-99
S. Lefschetz


Scientific Apparatus and Laboratory Methods
The Cultivation of Endamoeba Histolytica in Erlenmeyer Flasks, pp. 99-100
William W. Frye; Henry E. Meleney
On the Removal of Oxygen from Water by Cut Branches, p. 100
W. A. Cannon; Edith A. Purer


Special Articles
Measurement of the Velocity of Light in a Partial Vacuum, pp. 100-101
A. A. Michelson; F. G. Pease; F. Pearson
Experimental Stimulation Deafness, pp. 101-102
Hallowell Davis; Arthur J. Derbyshire; Edward H. Kemp; Moses H. Lurie; Morgan Upton


Books Received, p. 102
Science News, pp. 5a-7a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 81, No. 2090, Jan. 18, 1935
Next Issue: New Series, Vol. 81, No. 2092, Special Issue Containing Reports of the Third Pittsburgh Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 1, 1935



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