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Science, New Series, Vol. 58, No. 1490, Jul. 20, 1923


Previous Issue: New Series, Vol. 58, No. 1489, Jul. 13, 1923
Next Issue: New Series, Vol. 58, No. 1491, Jul. 27, 1923


Front Matter (3 pp.)
Arthur Gordon Webster, pp. 37-39
Edwin H. Hall

Game Laws for the Conservation of Wild Plants, pp. 39-41
R. C. Benedict

Certified Methylen Blue, pp. 41-42
H. J. Conn


The American Association for the Advancement of Science
The Philological Sciences, pp. 42-43
Burton E. Livingston


Scientific Events
Chemical Bibliography of Bibliographies, p. 44
Clarence J. West
The Walter Rathbone Bacon Scholarship, p. 44
W. deC. Ravenel
A Proposed American Institute of Oceanography, pp. 44-45
Award to Dr. Svedberg, p. 45
Professor Pavlov's Visit to America, pp. 45-46


Scientific Notes and News, pp. 46-48
University and Educational Notes, p. 48


Discussion and Correspondence
Photographic Plates for the Extreme Ultra-Violet, pp. 48-49
Theodore Lyman
The Physico-Chemical Basis of Psychic Phenomena, pp. 49-50
Alexander Forbes
What is a Weed?, p. 50
Elmer Grant Campbell


Quotations
Rewards for Scientific Research, pp. 50-51


Scientific Books
----------------, pp. 51-52
The Mathematical Theory of Probabilities and Its Application to Frequency Curves and Statistical Methods
Arne Fisher
Mathematical Probabilities, Frequency Curves, Homograde and Heterograde Statistics
A Treatise on Probability
John Maynard Keynes
Review author[s]: Raymond Pearl


Special Articles
On the Existence of an Anomalous Reflection of X-Rays in Laue Photographs, pp. 52-53
Ralph W. G. Wyckoff
The Biochemical Sulfur Oxidation as a Means of Improving Alkali Soils, pp. 53-54
J. S. Joffe; H. C. McLean


Science News, pp. viii+x

Previous Issue: New Series, Vol. 58, No. 1489, Jul. 13, 1923
Next Issue: New Series, Vol. 58, No. 1491, Jul. 27, 1923



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