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Previous Issue: New Series, Vol. 54, No. 1389, Aug. 12, 1921
Next Issue: New Series, Vol. 54, No. 1391, Aug. 26, 1921
Front Matter (1 p.)
The American Association for the Advancement of Science
- Some Present Aspects of Chemistry in the United States, pp. 139-146
- B. F. Lovelace
An Ancient Skeleton Discovered in Ecuador, pp. 147-148
- Marshall H. Saville
Scientific Events
- The Mulford Biological Exploration of the Amazon Basin, p. 148
- Educational Forestry, pp. 148-149
- Lectures at the University of Michigan, p. 149
- Booklets of the American Association for the Advancement of Science, pp. 149-150
Scientific Notes and News, pp. 150-152
University and Educational News, p. 152
Discussion and Correspondence
- Another High-Temperature Record for Growth and Endurance, pp. 152-153
- D. T. MacDougal; Earl B. Working
- A Calculator for Converting Gas Chain Voltage into Equivalent CH+ or PH Values, pp. 153-154
- Paul E. Klopsteg
- Mathematics in Spanish-Speaking Countries, p. 154
- G. A. Miller
- The Earliest Bees, Wasps and Ants, pp. 154-155
- T. D. A. Cockerell
Special Articles
- The Pneumatic Paradox in Acoustics, pp. 155-156
- Carl Barus
The Kentucky Academy of Science, pp. 156-158
- Alfred M. Peter
Previous Issue: New Series, Vol. 54, No. 1389, Aug. 12, 1921
Next Issue: New Series, Vol. 54, No. 1391, Aug. 26, 1921