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Previous Issue: New Series, Vol. 68, No. 1751, Jul. 20, 1928
Next Issue: New Series, Vol. 68, No. 1753, Aug. 3, 1928
Front Matter (4 pp.)
Count Rumford--Scientist and Philanthropist, pp. 67-73
- Lyman C. Newell
Improvement in Mortality Rates and Expectation of Life in the United States from 1890 to 1920, pp. 73-75
- James W. Glover
Scientific Events
- The Danish Oceanographic Expedition, pp. 75-76
- An International Fuel Conference, p. 76
- Gifts for Medical Research at the University of Pennsylvania, pp. 76-77
- Grants from the Daniel Guggenheim Fund for the Promotion of Aeronautics, p. 77
Scientific Notes and News, pp. 77-80
University and Educational Notes, p. 81
Discussion and Correspondence
- Fora to Be Held as Part of the Program of the Fourth International Congress of Entomology, pp. 81-82
- J. Chester Bradley
- Does the Amount of Food Consumed Influence the Growth of an Animal?, pp. 82-84
- H. H. Mitchell
- Amoeba Dofleini (Neresheimer) Vs. Mayorella Bigemma (Schaeffer) a Case of Synonymy, pp. 84-85
- Percy L. Johnson
- Devonian Concretions of Western and Central New York, p. 85
- A. Emil Alexander
- Diving Experiment at the University of Miami, pp. 85-86
- Jay F. W. Pearson
- Scientific Theories, p. 86
- Selden Smyser
Scientific Books
- ----------------, pp. 86-87
- Entomologie d'Haiti
- George N. Wolcott
- Review author[s]: T. E. Holloway
Scientific Apparatus and Laboratory Methods
- A Simple and Accurate Time Marker, pp. 87-88
- Enoch Karrer; H. C. Stevens
- Bacterial Filters, p. 88
- S. P. Kramer
Special Articles
- The Oxidative Destruction of the Agent of the Chicken Tumor I (Rous), pp. 88-89
- J. Howard Mueller
- Velocity of Cadmium Atoms Regularly Reflected from a Rock Salt Crystal, p. 89
- A. Ellett; H. F. Olson
- Staining Reactions of Fern Gametes, pp. 89-90
- J. R. Jackson; H. W. Rickett
Science News, pp. x+xii+xiv
Previous Issue: New Series, Vol. 68, No. 1751, Jul. 20, 1928
Next Issue: New Series, Vol. 68, No. 1753, Aug. 3, 1928