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Science, New Series, Vol. 72, No. 1859, Aug. 15, 1930


Previous Issue: New Series, Vol. 72, No. 1858, Aug. 8, 1930
Next Issue: New Series, Vol. 72, No. 1860, Aug. 22, 1930


Front Matter (4 pp.)
The Commerce of Chemistry, pp. 153-157
J. N. Taylor


Obituary
George Neil Stewart, Physiologist: April 18, 1860, to May 28, 1930, pp. 157-162
Torald Sollmann


Scientific Events
The Department of Animal Genetics at the University of Edinburgh, pp. 162-163
The Giannini Foundation for Agricultural Economics at the University of California, p. 163
State Lands and Wild Life of Wisconsin, pp. 163-164
The Fifth International Botanical Congress, pp. 164-165
The British Association for the Advancement of Science, p. 165


Scientific Notes and News, pp. 165-168


Discussion
Early Definitions of the Mathematical Term Abstract Group, pp. 168-169
G. A. Miller
Selenite Fragments Or Crystals as Criteria of Wind Action, pp. 169-170
Walter H. Schoewe; Kirk Bryan
Are Planets Rare?, p. 170
Jermain G. Porter
Viability in Eggs of Aedes Campestris Dyar and Knab (Culicidae), p. 170
G. Allen Mail
The Mitosis Found in Hydra, p. 170
Carl H. McConnell


Scientific Books
----------------, p. 171
Four Centuries of Medical History in Canada, and a Sketch of the Medical History of Newfoundland
John J. Heagerty
Review author[s]: F. H. Garrison


Societies and Meetings
The Illinois Academy of Science, p. 172
F. M. Fryxell


Scientific Apparatus and Laboratory Methods
A Rapid Method for Staining Sections of the Spinal Cord and Brain-Stem, pp. 172-173
Henry McE. Knower
Celluloid Cases for Microscopes, Microtomes and Beam-Balance Cases, pp. 173-174
F. A. Varrelman
Development of a Permanent Blue Color for Colorimetric Phosphorus Determination, p. 174
A. H. Meyer


Special Articles
An Effect of Short Electric Waves on Diphtheria Toxin Independent of the Heat Factor, pp. 174-175
Ralph R. Mellon; Waclaw T. Szymanowski; Robert Alan Hicks
Results of Total and Partial Adrenalectomy and Adrenal Transplantation in the Albino Rat, pp. 175-176
Richard I. Pencharz; J. M. D. Olmsted; George Giragossintz
The Metabolism of the Brucella Group in Synthetic Media, p. 176
C. E. ZoBell; K. F. Meyer


Books Received, p. 176
Science News, pp. x+xii+xiv

Previous Issue: New Series, Vol. 72, No. 1858, Aug. 8, 1930
Next Issue: New Series, Vol. 72, No. 1860, Aug. 22, 1930



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