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Previous Issue: New Series, Vol. 53, No. 1382, Jun. 24, 1921
Next Issue: New Series, Vol. 54, No. 1384, Jul. 8, 1921
Volume Information (7 pp.)
Front Matter (1 p.)
The Significance of Radium, pp. 1-8
- R. A. Millikan
Lincoln Ware Riddle, p. 9
- Winthrop J. V. Osterhout; Roland Thaxter; Merritt L. Fernald
Scientific Events
- The Printers' Strike and Science, p. 9
- Grant for the Study of Stellar Parallaxes, pp. 9-10
- Honorary Degrees Conferred by Yale University, pp. 10-11
- Honorary Degrees at Harvard University, p. 11
Scientific Notes and News, pp. 11-12
University and Educational News, p. 12
Discussion and Correspondence
- Use of the Terms ``Erosion,'' ``Denudation,'' ``Corrasion'' and ``Corrosion'', p. 13
- Frederic H. Lahee
- The Breeding Habits of Ambystoma Tigrinum, p. 13
- Ralph J. Gilmore
- A Phenomenal Shoot, pp. 13-14
- B. W. Wells
- The Aurora of May 14, 1921, p. 14
- A. E. Douglass
- The Aurora Seen from Sinaloa, Mexico in Latitude 27 ° N, p. 14
- J. Gary Lindley
Quotations
- The Mount Everest Expedition, pp. 14-15
Special Articles
- An Outline for Vascular Plants, pp. 15-16
- Henry S. Conard
The American Chemical Society, pp. 16-18
- Charles L. Parsons
Previous Issue: New Series, Vol. 53, No. 1382, Jun. 24, 1921
Next Issue: New Series, Vol. 54, No. 1384, Jul. 8, 1921