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Science, New Series, Vol. 30, No. 764, Aug. 20, 1909


Previous Issue: New Series, Vol. 30, No. 763, Aug. 13, 1909
Next Issue: New Series, Vol. 30, No. 765, Aug. 27, 1909


Front Matter (1 p.)
Doctorates Conferred by American Universities, pp. 225-232
Durer's ''Contribution'' to Gesner's Natural History, pp. 232-235
Francis H. Herrick

The United States Bureau of Education, pp. 235-236
Elmer Ellsworth Brown

Scientific Notes and News, pp. 236-240
University and Educational News, pp. 240-241


Discussion and Correspondence
Telegony as Induced Reversion, pp. 241-243
O. F. Cook


Scientific Books
----------------, pp. 243-244
A Comparative Study of the Thorax in Orthoptera, Euplexoptera and Coleoptera
R. E. Snodgrass
The Thoracic Tergum of Insects
R. E. Snodgrass
The Thorax of Insects and the Articulation of the Wings
B. R. E. Snodgrass
Review author[s]: C. W. Woodworth
----------------, pp. 244-245
A Short Handbook of Oil Analysis
Augustus H. Gill
Review author[s]: A. H. Sabin


Scientific Journals and Articles, p. 245


Special Articles
On the Connection between Stimulation and Changes in the Permeability of the Plasma Membranes of the Irritable Elements, pp. 245-249
Ralph S. Lillie


The Fortieth General Meeting of the American Chemical Society, pp. 249-256
B. E. Currie

Previous Issue: New Series, Vol. 30, No. 763, Aug. 13, 1909
Next Issue: New Series, Vol. 30, No. 765, Aug. 27, 1909



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