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Previous Issue: New Series, Vol. 73, No. 1902, Jun. 12, 1931
Next Issue: New Series, Vol. 73, No. 1904, Jun. 26, 1931
Front Matter (4 pp.)
The Uncertainty Principle, pp. 653-660
- Charles Galton Darwin
Serial Literature Used by American Geologists, pp. 660-664
- P. L. K. Gross; A. O. Woodford
Obituary
- Memorials, p. 664
- Recent Deaths, pp. 664-665
Scientific Events
- Botanical Research Stations in Africa, p. 665
- The Reforestation Program, pp. 665-666
- The Guatemala Expedition, p. 666
- Appropriations for Grants-In-Aid by the National Research Council, pp. 666-667
- Vernon Kellogg
Scientific Notes and News, pp. 667-671
Discussion
- New Ostracoderms from Oesel, pp. 671-673
- William Patten
- The Occurrence of Old Meadow Sod under the New Jersey Beaches, pp. 673-674
- Horace G. Richards
- Twisted Trunks of Apple Trees, p. 674
- Bertram T. Butler
- Early Utilitarian Application of Twist in Trees, pp. 674-675
- Llewellyn N. Edwards
- Panaman, p. 675
- Carleton R. Ball
- Cure for Formalin Poisoning, p. 675
- Vesta Holt
- Barro Colorado Island Biological Station, pp. 675-676
- W. C. Curtis
Quotations
- The Capper Award, pp. 676-677
Societies and Academies, pp. 677-678
Scientific Apparatus and Laboratory Methods
- A Transparent Elastic Glue, Used in Making Chambers for Insertion in the Rabbit's Ear, pp. 678-679
- B. B. Varian
- Cellophane Covers for Petri Dishes for Keeping out Contaminations and Studying the Effects of Ultra-Violet Light, pp. 679-680
- Frank H. Johnson
Special Articles
- The Effects of Breed on Growth of the Embryo in Fowls and Rabbits, pp. 680-681
- W. E. Castle; P. W. Gregory
- The Effect of Diet on Hookworm Infestation in Dogs, pp. 681-683
- A. O. Foster; W. W. Cort
- Further Studies on the Adrenal Cortical Hormone, pp. 683-684
- G. A. Harrop; J. J. Pfiffner; A. Weinstein; W. W. Swingle
Books Received, p. 684
Science News, pp. 10a+12a+14a
Previous Issue: New Series, Vol. 73, No. 1902, Jun. 12, 1931
Next Issue: New Series, Vol. 73, No. 1904, Jun. 26, 1931