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Previous Issue: New Series, Vol. 50, No. 1286, Aug. 22, 1919
Next Issue: New Series, Vol. 50, No. 1288, Sep. 5, 1919
Front Matter (1 p.)
Official Field Crop Inspection, pp. 193-199
- H. L. Bolley
A Plea for Courses in Physical Measurements for Students of Chemistry and Related Sciences, pp. 199-202
- Paul E. Klopsteg
Patent Reform Prospects, pp. 202-204
- Bert Russell
Scientific Events
- Memorial to the Late Frederick Du Cane Godman, pp. 204-205
- Exhibit of Marine Camouflage, p. 205
- The Philadelphia Meeting of the American Chemical Society, pp. 205-206
- Charles L. Parsons
Scientific Notes and News, pp. 206-208
University and Educational News, pp. 208-209
Discussion and Correspondence
- The Valence of Nitrogen in Nitrous Oxide, pp. 209-210
- William T. Hall
- A Snow Effect, pp. 210-211
- Leon Elmer Woodman
- On Measuring the Density of the ''17-Year Locust'' Population, p. 211
- Enoch Karrer
Scientific Books
- ----------------, pp. 211-213
- World-Power and Evolution
- Ellsworth Huntington
- Review author[s]: Charles Schuchert
New Activities in the History of Science, pp. 213-214
- Louis C. Karpinski
Special Articles
- The Motion of a Gravitating Needle, pp. 214-216
- Carl Barus
Back Matter (1 p.)
Previous Issue: New Series, Vol. 50, No. 1286, Aug. 22, 1919
Next Issue: New Series, Vol. 50, No. 1288, Sep. 5, 1919