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Science, New Series, Vol. 68, No. 1765, Oct. 26, 1928


Previous Issue: New Series, Vol. 68, No. 1764, Oct. 19, 1928
Next Issue: New Series, Vol. 68, No. 1766, Nov. 2, 1928


Front Matter (4 pp.)
Address of President Coolidge in Honor of Mr. Edison, pp. 389-390
The History of Elementary Mathematics in the Plimpton Library, pp. 390-395
George A. Plimpton

Andrew Henry Patterson, pp. 395-396
Otto Stuhlman


Scientific Events
Biological Farm of the Wistar Institute, p. 396
The Abbe Memorial Museum at Bar Harbor, pp. 396-397
Warren K. Moorehead
The Bond Astronomical Club, pp. 397-398
The Rumford Fund, p. 398
A. E. Kennelly
Conferring of the Congressional Medal on Mr. Edison, p. 398


Scientific Notes and News, pp. 398-401
University and Educational Notes, pp. 401-402


Discussion and Correspondence
The Conservation of Intellect, pp. 402-403
Ross Aiken Gortner
Cone-In-Cone on Concretions from the Devonian of New York, p. 403
W. A. Tarr
Winter Root Growth of Plants, pp. 403-404
F. J. Crider
An Unexplained Visual Phenomenon, p. 404
Harry S. Gradle
The Measurement of Ultra-Violet Rays, p. 404
Ernst A. Pohle; Walter S. Huxford


Scientific Books
----------------, p. 405
Die Geschlechtschromosomen. Zellen- und Befruchtungslehre
Franz Schrader
Review author[s]: T. H. M.
----------------, pp. 405-406
Foraminifera. Their Classification and Economic Use
Joseph A. Cushman
Review author[s]: Carl O. Dunbar
----------------, p. 406
Thomas Condon, Pioneer Geologist of Oregon
Ellen Condon McCornack
Review author[s]: W. D. Matthew


Scientific Apparatus and Laboratory Methods
A Gauge for Rapid Diameter Measurements, p. 406
H. B. Tukey
A Simple Fixing, Washing and Dehydrating Device, pp. 406-407
Carl G. Hartman


Special Articles
The Life Cycle of Spirocerca Sanguinolenta--A Natural Nematode Parasite of the Dog, pp. 407-409
Ernest Carroll Faust
Viscosity Changes during Early Cleavage Stages of Fundulus Eggs, pp. 409-410
Leigh Hoadley
Manganese as a Factor in Hemoglobin Building, p. 410
R. W. Titus; H. W. Cave


Science News, pp. x+xii+xiv
Back Matter (4 pp.)

Previous Issue: New Series, Vol. 68, No. 1764, Oct. 19, 1928
Next Issue: New Series, Vol. 68, No. 1766, Nov. 2, 1928



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