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Science, New Series, Vol. 59, No. 1520, Feb. 15, 1924


Previous Issue: New Series, Vol. 59, No. 1519, Feb. 8, 1924
Next Issue: New Series, Vol. 59, No. 1521, Feb. 22, 1924


Front Matter (4 pp.)


The American Association for the Advancement of Science
A Program for Agricultural Development, pp. 149-153
R. W. Thatcher


Should We Have Faculties of Public Health?, pp. 153-156
H. W. Hill


Scientific Events
The Equador-Colombia Earthquake, pp. 156-157
Samuel H. Piles
Agriculture in the Tropics, p. 157
Data for the International Critical Tables, pp. 157-158
Martin Johnson African Corporation, p. 158
Eminent American Chemists, p. 158


Scientific Notes and News, pp. 158-162
University and Educational Notes, pp. 162-163


Discussion and Correspondence
The Terms Anode and Cathode, p. 163
James F. Couch
The Synchronous Flashing of Fireflies, pp. 163-164
Edward S. Morse
The Problem of the Monkey and the Weight, p. 164
Carl Hering
The Professor and His Wages, p. 164
Anon
Corrections: "Gels and Thoery of Adsorption" pg 496, p. 164
Neil E. Gordon
Corrections, p. 164
F. Cajori


Scientific Books
The Weber Seventy-Year Book, pp. 164-165
Nutrition, the Chemistry of Life
Lafayette B. Mendel
Review author[s]: David Starr Jordan; E. V. McCollum


Laboratory Apparatus and Methods
A Conventional Scheme for Teaching Cell Division (Mitosis), pp. 165-166
Z. P. Metcalf


Special Articles
Oscillations in the Low Voltage Helium Arc, pp. 166-168
Carl H. Eckart; K. T. Compton
On Walden-Inversion, p. 168
P. A. Levene; L. A. Mikeska
The Relation of Climatic Conditions to the Salt-Proportion Requirements of Plants in Solution Cultures, pp. 168-172
Sam F. Trelease; Burton E. Livingston


The American Psychological Association, p. 172
Frank N. Freeman

Science News, pp. x+xii+xiv

Previous Issue: New Series, Vol. 59, No. 1519, Feb. 8, 1924
Next Issue: New Series, Vol. 59, No. 1521, Feb. 22, 1924



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