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Previous Issue: New Series, Vol. 49, No. 1273, May 23, 1919
Next Issue: New Series, Vol. 49, No. 1275, Jun. 6, 1919
Front Matter (1 p.)
The Lessons of the Pandemic, pp. 501-506
- George A. Soper
The Freas System, pp. 506-508
- W. L. Estabrooke
Organization Meeting of the American Section of the Proposed International Astronomical Union, pp. 508-510
- Joel Stebbins
Scientific Events
- War Researches at St. Andrews University, pp. 510-511
- The Department of Bacteriology and Public Health in Yale University, p. 511
- Base Hospital No. 21 of the Washington University School of Medicine, pp. 511-512
- The Chemical Warfare Service, p. 512
- The Division of Applied Psychology of the Carnegie Institute of Technology, pp. 512-513
Scientific Notes and News, pp. 513-515
University and Educational News, pp. 515-516
Discussion and Correspondence
- Quantitative Character-Measurements in Color Crosses, pp. 516-517
- H. F. Roberts
- Surplus Bison for Museums, p. 517
- Harlan I. Smith
- Information Service for Experimental Biologists, pp. 517-518
- E. D. Brown
Scientific Books
- ----------------, pp. 518-519
- The Mineral Deposits of South America
- Benjamin L. Miller; Joseph T. Singewald
- Review author[s]: Adolph Knopf
The Ecology of North American Lymnæidæ, pp. 519-521
- Frank Collins Baker
Special Articles
- Sound and Flash Ranging, pp. 521-523
- Augustus Trowbridge
The American Mathematical Society, pp. 523-524
- F. N. Cole
Back Matter (1 p.)
Previous Issue: New Series, Vol. 49, No. 1273, May 23, 1919
Next Issue: New Series, Vol. 49, No. 1275, Jun. 6, 1919