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Science, Vol. 9, No. 224, May 20, 1887


Previous Issue: Vol. 9, No. 223, May 13, 1887
Next Issue: Vol. 9, No. 225, May 27, 1887


Comment and Criticism, p. 479
The American Oriental Association, pp. 479-481
Health Matters, p. 481
Notes and News, pp. 482-483


Letters to the Editor
The Sonora Earthquake, pp. 483-484
G. E. Goodfellow
Defence of a Civil Academy, pp. 484-485
Herbert B. Adams
The Occurrence of Similar Inventions in Areas Widely Apart, pp. 485-486
Franz Boas
Explosions in Coal-Mines, p. 486
Edward H. Williams Jr.
Water-Filtration, pp. 486-487
Gardner T. Swarts
An American Dialect Society, p. 487
R. B.
Geography-Teaching, pp. 487-488
C. H. Leete
Queries, p. 488
P.; Z.


Abstract of the Results of the Investigation of the Charleston Earthquake, pp. 489-501
C. E. Dutton; Everett Hayden

Wagner's Annual Report on the Progress of Geography, p. 501
Hermann Wegner

The Mechanics of Machinery, pp. 501-502
R. H. Thurston

A Model for Amateur Astronomers, p. 502

Previous Issue: Vol. 9, No. 223, May 13, 1887
Next Issue: Vol. 9, No. 225, May 27, 1887



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