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Science, New Series, Vol. 35, No. 890, Jan. 19, 1912


Previous Issue: New Series, Vol. 35, No. 889, Jan. 12, 1912
Next Issue: New Series, Vol. 35, No. 891, Jan. 26, 1912


Front Matter (1 p.)
The Status and Future of the American Agronomist, pp. 81-87
H. J. Wheeler

The Introduction of Physical Chemical Conceptions in the Early Stages of the Teaching of Chemistry, pp. 87-94
Harry C. Jones

Is Science Really Unpopular in High Schools?, pp. 94-98
Willard J. Fisher

The Smithsonian Biological Survey of the Panama Canal Zone, pp. 98-99
Scientific Notes and News, pp. 99-102
University and Educational News, pp. 102-103


Discussion and Correspondence
The Administration of the Weeks Act, pp. 103-104
Geo. Otis Smith
Suggestions for the Cleveland Meeting, p. 104
John Franklin Crowell
Chromosomes in Wheat and Rye, p. 104
W. J. Spillman
How a Falling Cat Turns over, pp. 104-105
J. R. Benton


Scientific Books
----------------, pp. 105-106
The Wilderness of the Upper Yukon: A Hunter's Explorations for Wild Sheep in Sub-Arctic Mountains
Charles Sheldon
Review author[s]: J. A. Allen
----------------, pp. 106-110
Principia Mathematica
Alfred North Whitehead; Bertrand Russell
Review author[s]: C. J. Keyser


A Letter of Lamarck, pp. 110-111
Bashford Dean


Special Articles
The Apparent Antagonism between Electrolytes and Nonconductors, pp. 111-112
Jacques Loeb
The Permeability of Protoplasm to Ions and the Theory of Antagonism, pp. 112-115
W. J. V. Osterhout
Notes on the Distribution of the South-Eastern Salamanders (Geomys Tuza and Allies), pp. 115-119
Roland M. Harper


The American Mathematical Society, pp. 119-120
F. N. Cole

The American Philosophical Association, p. 120
E. G. Spaulding

The American Association of Economic Entomologists, p. 120

Previous Issue: New Series, Vol. 35, No. 889, Jan. 12, 1912
Next Issue: New Series, Vol. 35, No. 891, Jan. 26, 1912



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