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Previous Issue: New Series, Vol. 73, No. 1890, Mar. 20, 1931
Next Issue: New Series, Vol. 73, No. 1892, Apr. 3, 1931
Front Matter (4 pp.)
The Origin of Limestone Caverns, pp. 327-331
- W. M. Davis
Edgar Fahs Smith: Provost, Chemist, Friend, pp. 331-333
- Charles Franklin Thwing
Obituary
- Memorials, p. 333
- Recent Deaths, p. 333
Scientific Events
- An Agricultural Research Institute for Porto Rico, p. 334
- Virgin Forest Lands of the United States, pp. 334-335
- The Field Museum of Natural History, p. 335
- The American Philosophical Society, pp. 335-336
Scientific Notes and News, pp. 336-339
Discussion
- The Importance of Giving Page References in Descriptions of Plates, pp. 339-340
- Robert Tracy Jackson
- Cytoplasmic Inheritance of Male Sterility in Zea Mays, pp. 340-341
- Marcus M. Rhoades
- Trees with Twisted Bark, p. 341
- Arthur Taber Jones
- Panaman Or Panamanian?, p. 341
- Carleton R. Ball
- Estrus, pp. 341-342
- S. A. Asdell
- An Apologetic Correction, p. 342
- L. O. Howard
Scientific Books
- ----------------, p. 342
- La Parthénogenèse
- A. Vandel
- Review author[s]: Franz Schrader
- ----------------, p. 343
- Star Clusters
- Harlow Shapley
- Review author[s]: Dirk Brouwer
Scientific Apparatus and Laboratory Methods
- A Device for Washing Tissues, pp. 343-344
- C. T. Hurst
- A Machine for Pulling Glass Micropipettes and Needles, pp. 344-345
- Delafield Du Bois
Special Articles
- Brain Water Movement during Anesthesia, pp. 346-347
- H. G. Barbour
- Metallized Food in the Regeneration of Hemoglobin in Rat and Man, pp. 347-348
- J. L. McGhee
Books Received, p. 348
Science News, pp. 10a-14a
Back Matter (4 pp.)
Previous Issue: New Series, Vol. 73, No. 1890, Mar. 20, 1931
Next Issue: New Series, Vol. 73, No. 1892, Apr. 3, 1931