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Previous Issue: New Series, Vol. 79, No. 2050, Apr. 13, 1934
Next Issue: New Series, Vol. 79, No. 2052, Apr. 27, 1934
Front Matter (2 pp.)
The American Association for the Advancement of Science
- Botanical Research, pp. 351-355
- H. L. Shantz
Scientific Events
- Acquisitions to the Collections of the British Museum (Natural History), pp. 355-356
- Proposed Animal Buildings in the Parks of New York, p. 356
- The Fishery Survey in Puerto Rico, pp. 356-357
- Symposium in Theoretical Physics at the University of Michigan, p. 357
- National Research Fellowships in the Biological Sciences, pp. 357-358
Scientific Notes and News, pp. 358-361
Discussion
- Protective Resemblances in Insects--Experiment and Theory, pp. 361-363
- W. L. McAtee
- The Importance of Diameter as a Factor in Myelination, p. 363
- Donald Duncan
- A New Term for the Youthful Stage of Foraminiferal Shells, pp. 363-364
- Lloyd G. Henbest
- Some Notes on North American Crayfish, p. 364
- Edwin P. Creaser
- The Existence of a Monthly Sex Cycle in the Human Male, pp. 364-365
- Meyer M. Harris; Erwin Brand
Reports
- Milton and Clark Awards, pp. 365-366
- Centralizing Bell System Researches, pp. 366-367
- A Correspondent
Societies and Meetings
- The New Orleans Academy of Sciences, p. 367
- Robert Glenk
- The Texas Entomological Society, p. 367
- Virginia Society of Ornithology, p. 368
- Ruskin S. Freer
Scientific Apparatus and Laboratory Methods
- A Foot-Focussing Device for the Binocular Dissecting Microscope, pp. 368-369
- H. D. Harrington; R. W. Poulter
- A Simple and Inexpensive Respirator for Small Animals, pp. 369-370
- W. E. MacFarland
Special Articles
- The Effect of Heavy Water of Low Concentration on Euglena, p. 370
- T. Cunliffe Barnes
- Infra-Red Absorption of Water Freshly Prepared from Ice and from Steam, pp. 370-371
- Joseph W. Ellis; Barthold W. Sorge
- Effects of Soil Temperature on the Absorption of Water by Plants, pp. 371-372
- Paul J. Kramer
- Gossypol, a Cause of Discoloration in Egg Yolks, p. 372
- P. J. Schaible; L. A. Moore; J. M. Moore
Science News, pp. 6a-8a
Previous Issue: New Series, Vol. 79, No. 2050, Apr. 13, 1934
Next Issue: New Series, Vol. 79, No. 2052, Apr. 27, 1934