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Science, New Series, Vol. 19, No. 493, Jun. 10, 1904


Previous Issue: New Series, Vol. 19, No. 492, Jun. 3, 1904
Next Issue: New Series, Vol. 19, No. 494, Jun. 17, 1904


Front Matter (1 p.)
Herbert Spencer's Autobiography, pp. 873-879
Lester F. Ward

The Work of the Year 1903 in Ecology, pp. 879-885
Henry Chandler Cowles


Scientific Books
----------------, pp. 885-886
Desert Botanical Laboratory of the Carnegie Institution
Frederick V. Coville; Daniel Trembly MacDougal
Review author[s]: Frederic E. Clements
----------------, pp. 886-888
International Catalogue of Scientific Literature
Review author[s]: Frederic S. Lee


Societies and Academies, pp. 888-892


Discussion and Correspondence
The Complex Nature of Thorium, pp. 892-893
Bohuslav Brauner; Chas Baskerville
A Reddish-Brown Snowfall, p. 893
Edward Lindsey


Special Articles
Mental Efficiency and Health, pp. 893-896
Robert MacDougall


The Electron Theory, pp. 896-899
W. S. F.

A Heavy Japanese Brain, p. 899
Edw. Anthony Spitzka

Professor Rutherford on Radium, pp. 899-900
Scientific Notes and News, pp. 900-904
University and Educational News, p. 904

Previous Issue: New Series, Vol. 19, No. 492, Jun. 3, 1904
Next Issue: New Series, Vol. 19, No. 494, Jun. 17, 1904



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