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Science, New Series, Vol. 41, No. 1069, Jun. 25, 1915


Previous Issue: New Series, Vol. 41, No. 1068, Jun. 18, 1915
Next Issue: New Series, Vol. 42, No. 1070, Jul. 2, 1915


Front Matter (1 p.)
August Weismann, pp. 917-923
Edwin G. Conklin

The Place of Wisdom in the State and in Education, pp. 923-933
Henry E. Armstrong

The San Francisco Meeting of the American Physical Society, pp. 934-935
A. D. Cole

Scientific Notes and News, pp. 936-938
University and Educational News, pp. 938-939


Discussion and Correspondence
The Fundamental Equation of Mechanics Again, pp. 939-940
Paul F. Gaehr
Psyllidæ Wintering on Conifers about Washington, D. C., p. 940
W. L. McAtee


Scientific Books
----------------, pp. 940-943
Medicine in China
Review author[s]: George Blumer
----------------, pp. 943-944
Die Lichtelektrizität
Wilhelm Hallwachs
Review author[s]: R. A. Millikan
----------------, pp. 944-945
Sewage Purification and Disposal
G. Bertram Kershaw
Review author[s]: G. C. Whipple


Proceedings of the National Academy of Sciences, pp. 945-947


Special Articles
The Continuous Spectra of Gases, pp. 947-948
E. P. Lewis


The Iowa Academy of Science, pp. 948-952
James H. Less

Previous Issue: New Series, Vol. 41, No. 1068, Jun. 18, 1915
Next Issue: New Series, Vol. 42, No. 1070, Jul. 2, 1915



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