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Science, New Series, Vol. 90, No. 2328, Aug. 11, 1939


Previous Issue: New Series, Vol. 90, No. 2327, Aug. 4, 1939
Next Issue: New Series, Vol. 90, No. 2329, Aug. 18, 1939


Front Matter (3 pp.)


The American Association for the Advancement of Science
Darwinian Ethics and Its Practical Applications, pp. 117-123
S. J. Holmes
The Stanford University Meeting of the Pacific Division, pp. 123-131
J. Murray Luck


Scientific Events
Exhibits at the British Natural History Museum, p. 131
The Byrd Antarctic Expedition, pp. 131-132
Preliminary Program of the Dundee Meeting of the British Association, p. 132
The Boston Meeting of the American Chemical Society, pp. 132-133
Recent Deaths and Memorials, pp. 133-134


Scientific Notes and News, pp. 134-137


Discussion
The Correlation between Ionizazation in the Ionosphere and Sun-Spot Numbers, pp. 137-138
Fred L. Mohler
A Whale Shark in the Hawaiian Islands, pp. 138-139
E. W. Gudger
Toxicity of the Sodium Salt of Dinitro-O-Cresol to Venturia Inaequalis, pp. 139-140
G. W. Keitt
Seeds for the Study of Root and Root-Hair Structure in Botanical Laboratories, p. 140
Joseph Kramer


Special Articles
Action of Ketene on the Pituitary Lactogenic Hormone, pp. 140-141
Choh Hao Li; Miriam E. Simpson; Herbert M. Evans
The Effect of Cocarboxylase upon Metabolism and Neuro-Psychiatric Phenomena in Pellagrins with Beriberi, p. 141
F. H. Lewy; H. E. Himwich; J. P. Frostig; T. D. Spies
Evidence for the Existence of a Respiratory Neurohormone, pp. 141-142
Theodore Koppanyi; Charles R. Linegar
The Reducing Groups of Egg Albumin, pp. 142-143
M. L. Anson


Scientific Apparatus and Laboratory Methods
An Improved Type of Ketene Generator, p. 143
Choh Hao Li
A Simple and Efficient Precipitate Dryer, pp. 143-144
Arnold Lowman
Turntable for Exercising Rats, p. 144
Edmond J. Farris; Gustav Engvall


Books Received, p. 144
Science News, pp. 6a+8a+9a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 90, No. 2327, Aug. 4, 1939
Next Issue: New Series, Vol. 90, No. 2329, Aug. 18, 1939



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