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Previous Issue: New Series, Vol. 54, No. 1397, Oct. 7, 1921
Next Issue: New Series, Vol. 54, No. 1399, Oct. 21, 1921
Front Matter (1 p.)
Magnetic Susceptibilities, pp. 339-348
- S. R. Williams
Fundamental Principles Established by Recent Soil Investigations, pp. 348-351
- Milton Whitney
Scientific Events
- The Council Meeting of the American Chemical Society, p. 351
- The Optical Society of America, pp. 351-352
- The American Association for the Advancement of Science--Southwestern Division, p. 352
- Elliott C. Prentiss
- The Toronto Meeting of the American Association for the Advancement of Science, pp. 352-353
Scientific Notes and News, pp. 353-355
University and Educational News, pp. 355-356
Discussion and Correspondence
- The Causes of Whiteness in Hair and Feathers, p. 356
- R. M. Strong
- Sidewalk Mirages, p. 357
- Allan F. Odell
- Discovery of a Prehistoric Engraving Representing a Mastodon, pp. 357-358
- Jay L. B. Taylor
- Some Suggestions for Photographing Fossils, p. 358
- Maurice G. Mehl
Scientific Books
- ----------------, pp. 358-359
- Vitamines: Essential Food Factors
- Benjamin Harrow
- Review author[s]: Percy G. Stiles
Experiments on the Recording and Reproduction of Cardiac and Respiratory Sounds, p. 359
- Franklin L. Hunt; Magnus J. Myres
Special Articles
- The Separation of the Elements Chlorine and Mercury into Isotopes, pp. 359-360
- William D. Harkins
- An Artificial Nerve, pp. 360-361
- Reynold A. Spaeth
The American Philosophical Society, p. 362
Previous Issue: New Series, Vol. 54, No. 1397, Oct. 7, 1921
Next Issue: New Series, Vol. 54, No. 1399, Oct. 21, 1921