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Previous Issue: New Series, Vol. 51, No. 1319, Apr. 9, 1920
Next Issue: New Series, Vol. 51, No. 1321, Apr. 23, 1920
Front Matter (1 p.)
The American Association for the Advancement of Science
- Sexuality in Mucors, pp. 375-382
- Albert F. Blakeslee
An Analysis of Aim and Incentive in a Course in General Zoology, pp. 382-384
- Harold Sellers Colton
Physical Methods and Measurements, and the Obligation of Physics to the Other Sciences, pp. 384-386
- Paul E. Klopsteg
Scientific Events
- The Ohio College and Experiment Station, p. 386
- The Louisiana Entomological Society, pp. 386-387
- T. E. Holloway
- The Southwestern Geological Society, p. 387
- The American Electrochemical Society, pp. 387-388
- Fiftieth Anniversary of the Wisconsin Academy, p. 388
Scientific Notes and News, pp. 388-390
University and Educational News, pp. 390-391
Discussion and Correspondence
- A Suggestion as to the Flagellation of the Organisms Causing Legume Nodules, pp. 391-392
- H. J. Conn; R. S. Breed
- Pensions for Government Employees, p. 392
- T. D. A. Cockerell
- The Recent Auroras, p. 392
- Charles F. Brooks
Quotations
- Civil Service Pensions, pp. 392-393
The Ecological Relations of Roots, pp. 393-394
- W. A. Cannon
Special Articles
- The Tertiary Formations of Porto Rico, pp. 395-396
- Bela Hubbard
The American Chemical Society, pp. 397-398
- Charles L. Parsons
Back Matter (1 p.)
Previous Issue: New Series, Vol. 51, No. 1319, Apr. 9, 1920
Next Issue: New Series, Vol. 51, No. 1321, Apr. 23, 1920