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Science, New Series, Vol. 77, No. 1997, Apr. 7, 1933


Previous Issue: New Series, Vol. 77, No. 1996, Mar. 31, 1933
Next Issue: New Series, Vol. 77, No. 1998, Apr. 14, 1933


Front Matter (2 pp.)
Tendencies in the Logic of Mathematics, pp. 335-343
E. R. Hedrick


Obituary
Edward Bruce Williamson, p. 344
Fernandus Payne
Recent Deaths, p. 344


Scientific Events
International Standard for the Ovarian Follicular Hormone, pp. 344-345
E. A. D.
The Eleventh International Symposium on Physics at the University of Michigan, p. 345
Geology and Geography at the Chicago Meeting of the American Association, pp. 345-346
Award to Professor H. C. Sherman, p. 346
Professor Einstein and the Prussian Academy, p. 346


Scientific Notes and News, pp. 346-349


Discussion
Naming the Grand Canyon, pp. 349-350
Frederick S. Dellenbaugh
The Reaction of Individual Bacteria to Irradiation with Ultraviolet Light, p. 350
Frederick L. Gates
Lactobacilli in Frozen Pack Peas, pp. 350-351
James Alex. Berry
Vitamin A in the Pimiento Pepper, p. 351
Leah Ascham
Earthquakes in the Holy Land: A Correction, p. 351
Bailey Willis
A Rare Publication, pp. 351-352
Wm. J. Fox


Scientific Apparatus and Laboratory Methods
Double Staining by the Cajal-Brožek Method, pp. 352-353
K. Hruby
A New Paraffin Embedding Mixture, p. 353
Robert T. Hance


Special Articles
Photoperiodism as a Cause of the Rest Period in Strawberries, pp. 353-354
George M. Darrow; George F. Waldo
A "Scurvy-Like" Disease in Chicks, p. 354
Walther F. Holst; Everett R. Halbrook


Science News, pp. 8a-9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 77, No. 1996, Mar. 31, 1933
Next Issue: New Series, Vol. 77, No. 1998, Apr. 14, 1933



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