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Science, New Series, Vol. 80, No. 2077, Oct. 19, 1934


Previous Issue: New Series, Vol. 80, No. 2076, Oct. 12, 1934
Next Issue: New Series, Vol. 80, No. 2078, Oct. 26, 1934


Front Matter (3 pp.)
Chemical Ideas in Medicine and Biology, pp. 343-349
Henry Dale

Progress in Development of the U. S. Weather Service in Line with the Recommendations of the Science Advisory Board, pp. 349-351
Willis Ray Gregg


Scientific Events
Restriction of the Number of Medical Students in France, pp. 351-352
The Proposed Migratory Bird Reserve in the Northern Sand Hills of Nebraska, p. 352
Research in Dental Medicine at Harvard University, pp. 352-353
Recent Deaths, p. 353


Scientific Notes and News, pp. 354-356


Discussion
Background of Mathematics in America, pp. 356-357
G. A. Miller
Scientific Literature, p. 357
T. D. A. Cockerell
Photodynamic Action of Methylene Blue on Plant Viruses, pp. 357-358
Jorgen M. Birkeland


Scientific Books
Relativity, Thermodynamics and Cosmology, p. 358
Relativity, Thermodynamics and Cosmology
Richard Tolman
Review author[s]: Albert Einstein
Colloidal Phenomena and Classical Theory, p. 359
Colloid Chemistry
Arthur W. Thomas
Review author[s]: John H. Northrop
The Practical Applications of Acoustics, p. 359
Applied Acoustics
Olson; Massa
Review author[s]: E. C. Wente
A Manual of the Rusts, pp. 359-361
Manual of the Rusts in United States and Canada
Joseph Charles Arthur
Review author[s]: Frank D. Kern


Scientific Apparatus and Laboratory Methods
Flexible Control of Speed and Focus for Motion Picture Cameras, p. 361
Oscar W. Richards
An Apparatus for Constant Delivery of Equal Weights of Two or More Liquids, pp. 361-362
R. H. Lambert


Special Articles
The Spiral Growth of Single Cells, pp. 362-363
E. S. Castle
Effect of Flower Production on Rate of Growth of Vegetative Shoots of Longleaf Pine, pp. 363-364
L. J. Pessin


Books Received, p. 364
Science News, pp. 5a+8a+9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 80, No. 2076, Oct. 12, 1934
Next Issue: New Series, Vol. 80, No. 2078, Oct. 26, 1934



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