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Science, New Series, Vol. 29, No. 739, Feb. 26, 1909


Previous Issue: New Series, Vol. 29, No. 738, Feb. 19, 1909
Next Issue: New Series, Vol. 29, No. 740, Mar. 5, 1909


Front Matter (1 p.)
North America and Europe: A Geographical Comparison, pp. 321-329
Albrecht F. K. Penck

Report of the Commission on Agricultural Research, pp. 329-330
The Rhodes Scholarships, p. 330
The Darwin Centenary, pp. 330-331
Scientific Notes and News, pp. 331-335
University and Educational News, pp. 335-336


Discussion and Correspondence
Appointments in Colleges and Universities, pp. 336-339
E. J. Wilczynski
Genera without Species, pp. 339-340
T. D. A. Cockerell
Dr. Williston on ``The Fossil Turtles of North America'', pp. 341-342
Oliver P. Hay


Quotations
Ammunition Against the Anti-Vivisectionist, p. 342
An Idle Challenge, pp. 342-343
Diana Belais


Scientific Books
----------------, pp. 343-345
Biology and Its Makers
Wm. A. Locy
Review author[s]: Maynard M. Metcalf
----------------, pp. 345-349
The Young of the Crayfishes Astacus and Cambarus
E. A. Andrews
Review author[s]: Francis H. Herrick
----------------, pp. 349-350
Astronomy of To-Day
Cecil G. Dolmage
Review author[s]: Charles Lane Poor
----------------, pp. 350-351
The Royal Society Archives: Some Account of the Letters and Papers of the Period 1741-1806
A. H. Church
Review author[s]: George F. Kunz


Special Articles
A Revised Classification of the North American Lower Paleozoic, pp. 351-356
Amadeus W. Grabau


Research Work in Chemistry at the University of Illinois, pp. 357-358
Societies and Academies, pp. 358-360

Previous Issue: New Series, Vol. 29, No. 738, Feb. 19, 1909
Next Issue: New Series, Vol. 29, No. 740, Mar. 5, 1909



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