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Previous Issue: New Series, Vol. 80, No. 2069, Aug. 24, 1934
Next Issue: New Series, Vol. 80, No. 2071, Sep. 7, 1934
Front Matter (2 pp.)
Are There Periods in American Business Activity?, pp. 193-199
- Edwin B. Wilson
Scientific Events
- Receipts of the National Forests, pp. 199-200
- The Elm Tree Disease in New York and New Jersey, p. 200
- Meetings of the American Physical Society, p. 201
- The American Chemical Society, pp. 201-202
- Recent Deaths, p. 202
Scientific Notes and News, pp. 202-205
Discussion
- The Discovery of an Ancient Minesota Maker of Yuma and Folsom Flints, p. 205
- Albert Ernest Jenks
- A Possible Dietary Predisposition to Stammering, p. 206
- Knight Dunlap
- Occurrence of a Phytosterol in African Oil Palm (Flaeis guineensis), p. 206
- K. S. Markley; M. B. Matlack
- Bacteria-Free Culture of Paramecium, pp. 206-207
- John B. Loefer
Special Correspondence
- The Scarritt Expeditions of the American Museum of Natural History, 1930-34, pp. 207-208
- George Gaylord Simpson
Scientific Apparatus and Laboratory Methods
- The Observation of Mitosis in the Living Cell in Amoeba proteus, pp. 208-209
- H. W. Chalkley
- An Apparatus for Colorimetric Oxidation-Reduction Studies, p. 209
- Harold P. Lundgren
- Copying Manuscripts on Motion Picture Film, p. 210
- J. B. Ficklen
Special Articles
- Deuterium Content of Natural Butane, pp. 210-211
- R. D. Snow; Herrick L. Johnston
- The Response of the Normal Guinea Pig to the Administration of Liver Extracts, pp. 211-212
- Bernard M. Jacobson
- The Anaerobic Condition of Soils in Porous Porcelain Containers, p. 212
- C. B. Clevenger; L. G. Willis
Books Received, p. 212
Science News, pp. 8a-10a
Previous Issue: New Series, Vol. 80, No. 2069, Aug. 24, 1934
Next Issue: New Series, Vol. 80, No. 2071, Sep. 7, 1934