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Previous Issue: New Series, Vol. 92, No. 2398, Dec. 13, 1940
Next Issue: New Series, Vol. 92, No. 2400, Dec. 27, 1940
Front Matter (3 pp.)
Recent General Trends in Mathematics, pp. 563-566
- Aristotle D. Michal
Precious and Semi-Precious Jewels--Their Chemical and Beautifying Qualities, pp. 566-570
- R. Norris Shreve
Obituary
- Charles William Woodworth, pp. 570-572
- E. O. Essig
- Recent Deaths, p. 572
Scientific Events
- The War and the British Fauna, p. 572
- The Herbarium of the New York Botanical Garden, pp. 572-573
- Fiftieth Anniversary of the Institute of Experimental Medicine in Leningrad, pp. 573-574
- Conference in Honor of Leta S. Hollingworth, p. 574
- The Josiah Willard Gibbs Lectures of the American Mathematical Society, pp. 574-575
Scientific Notes and News, pp. 575-577
Discussion
- The Sleep of Canaries, pp. 577-578
- Gustav Eckstein
- Two Factors of Possible Importance in Relation to the Etiology and Treatment of Dental Caries and Other Dental Diseases, pp. 578-579
- Robert M. Stephan
- Significance of Disseminated Metallic Sulphides in Sedimentary Rocks, p. 579
- F. M. Van Tuyl
- Vitamin Study at the University of Texas, p. 579
- Roger J. Williams
- The Quinine Industry, pp. 579-580
- Norman Taylor
Scientific Books
- Regional Physiography, pp. 580-581
- The Physiographic Provinces of North America
- Wallace W. Atwood
- Review author[s]: Ellis W. Shuler
- Plant Physiology, p. 581
- Plant Physiology
- Bernard S. Meyer; Donald B. Anderson
- Review author[s]: John W. Shive
Reports
- Philanthropic Foundations, pp. 581-583
- Frederick P. Keppel
Special Articles
- The Quantum of Sensory Discrimination, pp. 583-585
- S. S. Stevens; J. Volkmann
- A New Estrogenic Substance Present in the Neutral Fraction of Human Pregnancy Urine, pp. 585-586
- Ralph I. Dorfman
- Concentration and Partial Purification of Equine Encephalomyelitis Vaccines, pp. 586-587
- A. R. Taylor; D. Gordon Sharp; Dorothy Beard; H. Finkelstein; J. W. Beard
Scientific Apparatus and Laboratory Methods
- An A-C Powered PH Set, pp. 587-588
- Craig W. Goodwin
Science News, pp. 8-10
Previous Issue: New Series, Vol. 92, No. 2398, Dec. 13, 1940
Next Issue: New Series, Vol. 92, No. 2400, Dec. 27, 1940