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Science, New Series, Vol. 20, No. 509, Sep. 30, 1904


Previous Issue: New Series, Vol. 20, No. 508, Sep. 23, 1904
Next Issue: New Series, Vol. 20, No. 510, Oct. 7, 1904


Front Matter (1 p.)
The Unity of Physical Science, pp. 417-426
R. S. Woodward

Micro-Organisms of Soil and Human Welfare, pp. 426-434
T. J. Burrill


Scientific Books
----------------, pp. 434-436
The Classification of Flowering Plants
Alfred Barton Rendle
Review author[s]: Charles E. Bessey


Discussion and Correspondence
Currents of the North Pacific, pp. 436-437
Wm. H. Dall


Special Articles
On the Pupation of Ants and the Feasibility of Establishing the Guatemalan Kelep or Cotton-Weevil Ant in the United States, pp. 437-440
William Morton Wheeler


Current Notes on Meteorology, pp. 440-441
R. DeC. Ward

Notes on Inorganic Chemistry, pp. 441-443
J. L. H.

Botany at the Cuban Experiment Station, pp. 444-445
F. S. Earle

The International Congress of Arts and Science, pp. 445-446
Scientific Notes and News, pp. 446-448
University and Educational News, p. 448

Previous Issue: New Series, Vol. 20, No. 508, Sep. 23, 1904
Next Issue: New Series, Vol. 20, No. 510, Oct. 7, 1904



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