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Science, New Series, Vol. 25, No. 642, Apr. 19, 1907


Previous Issue: New Series, Vol. 25, No. 641, Apr. 12, 1907
Next Issue: New Series, Vol. 25, No. 643, Apr. 26, 1907


Front Matter (1 p.)
The Sanitary Engineering Problems of Water Supply and Sewage Disposal in New York City, pp. 601-605
George A. Soper


The American Association for the Advancement of Science
Section A--Mathematics and Astronomy, pp. 605-608
Laenas Gifford Weld


The Astronomical and Astrophysical Society of America, pp. 608-617
Harold Jacoby


Scientific Books
----------------, pp. 617-619
Rock Minerals, their Chemical and Physical Characters and their Determination in Thin Sections
Joseph P. Iddings
Review author[s]: C. W. H.


Scientific Journals and Articles, pp. 619-620
Societies and Academies, pp. 620-625


Discussion and Correspondence
The First Reviser and Elimination, pp. 625-626
D. W. Coquillett
Polished Pebbles, pp. 626-627
R. D. George


Special Articles
Upon the Teaching of the Subject of Respiration, pp. 627-630
Charles H. Shaw


Quotations
`Newspaper Science', pp. 630-631


Botanical Notes, pp. 631-633
Charles E. Bessey

The New Chemical Laboratory of the Rensselaer Polytechnic Institute, pp. 633-635
W. P. Mason

Allan Macfadyen, pp. 635-636
Government Appropriations for Scientific Purposes for the Fiscal Year Ending June 30, 1908, pp. 636-637
Scientific Notes and News, pp. 637-640
University and Educational News, p. 640

Previous Issue: New Series, Vol. 25, No. 641, Apr. 12, 1907
Next Issue: New Series, Vol. 25, No. 643, Apr. 26, 1907



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