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Previous Issue: New Series, Vol. 52, No. 1349, Nov. 5, 1920
Next Issue: New Series, Vol. 52, No. 1351, Nov. 19, 1920
Front Matter (1 p.)
The Proteins and Colloid Chemistry, pp. 449-456
- Jacques Loeb
The African Rift Valleys, pp. 456-458
- W. M. Davis
Scientific Events
- The Sixteenth Annual New England Intercollegiate Geological Excursion, pp. 458-459
- Herdman F. Cleland
- ``Physiological Reviews'', pp. 459-460
- University of Pennsylvania Lectures, p. 460
- The Section of Zoology of the American Association, p. 461
- H. V. Neal
Scientific Notes and News, pp. 461-463
University and Educational News, pp. 463-464
Discussion and Correspondence
- The Preservation of Wild Life, p. 464
- V. E. Shelford
- Predilection and Sampling of Human Heights, pp. 464-466
- Edwin G. Boring
- The Plight of Scientific Periodicals, pp. 466-467
- Howard S. Reed
- Road Reflections, p. 467
- H. H. Platt
- The Influence of Fresh Food in Lactation, pp. 467-468
- E. B. Forbes
- Swarming of Anopheles, pp. 468-469
- L. O. Howard
The Works of Ameghino, p. 469
- Roy L. Moodie
Special Articles
- The Free-Martin and Its Reciprocal: Opossum, Man, Dog, pp. 469-471
- Carl G. Hartman
The Nebraska Academy of Sciences, pp. 471-472
- C. O. Carlson
Back Matter (1 p.)
Previous Issue: New Series, Vol. 52, No. 1349, Nov. 5, 1920
Next Issue: New Series, Vol. 52, No. 1351, Nov. 19, 1920