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Science, New Series, Vol. 63, No. 1635, Apr. 30, 1926


Previous Issue: New Series, Vol. 63, No. 1634, Apr. 23, 1926
Next Issue: New Series, Vol. 63, No. 1636, May 7, 1926


Front Matter (4 pp.)
Significance of the Ether-Drift Experiments of 1925 at Mount Wilson, pp. 433-443
Dayton C. Miller

Existing Practices of Polluting Public Water Courses, pp. 443-446
George Wilton Field

Awards of the John Simon Guggenheim Memorial Fellowships, pp. 446-448


Scientific Events
The Oceanographic Station at Salammbo, North Africa, p. 448
C. L. Bristol
The Rawson-Macmillan Sub-Arctic Expedition of the Field Museum, pp. 448-449
The First Meeting of the Eastern Section of the Seismological Society of America, p. 449
Tribute to Professor Charles Schuchert, p. 450
Wesley R. Coe; Carl O. Dunbar; William E. Ford; Richard S. Lull; George G. MacCurdy; Malcolm R. Thorpe; Eleanore W. Parmelee


Scientific Notes and News, pp. 450-453
University and Educational Notes, p. 454


Discussion and Correspondence
The Habits of the Grunion, p. 454
David Starr Jordan
Adsorption Mechanisms, pp. 454-455
Maurice L. Huggins; John Field
Who Discovered Vitamines?, pp. 455-456
Casimir Funk
Citations of Scientific Literature, pp. 456-457
Edwin G. Boring; E. W. Gifford
Railroad Passes for Scientific Work, p. 457
Herbert W. Rogers


Scientific Books
----------------, pp. 457-458
Mosquitoes of Surinam--A Study in Neotropical Mosquitoes
C. Bonne; J. Bonne-Wepster
Review author[s]: L. O. Howard; Harrison G. Dyar


Scientific Apparatus and Laboratory Methods
A Simple Method for Observation of the Living Chick Embryo, pp. 458-459
T. C. Byerly


Special Articles
The Origin of Vacuoles, pp. 459-460
F. E. Lloyd; G. W. Scarth
The Transfer of Excited Energy from Ozone to Hydrogen and Nitrogen, pp. 460-462
A. C. Grubb


Science News, pp. x+xii+xiv

Previous Issue: New Series, Vol. 63, No. 1634, Apr. 23, 1926
Next Issue: New Series, Vol. 63, No. 1636, May 7, 1926



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