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Previous Issue: New Series, Vol. 73, No. 1898, May 15, 1931
Next Issue: New Series, Vol. 73, No. 1900, May 29, 1931
Front Matter (4 pp.)
The Recent Change of Attitude toward the Law of Cause and Effect, pp. 539-547
- P. W. Bridgman
Paleontology Versus Devriesianism and Genetics in the Factors of the Evolution Problem, pp. 547-549
- Henry Fairfield Osborn
Obituary
- Albert A. Michelson, pp. 549-550
- Robert A. Millikan
- Veranus Alva Moore--Pierre Augustine Fish, pp. 550-553
- Simon Henry Gage
- Memorials, p. 553
- Recent Deaths, p. 553
Scientific Events
- The Lakeside Hospital in Cleveland, p. 553
- The New Orleans Chapter of the Pan American Medical Association, pp. 553-554
- The Kentucky Academy of Science, p. 554
- A. M. Peter
- The Kansas Academy of Science, pp. 554-555
- George E. Johnson
- The Medal Meeting of the Franklin Institute, p. 555
Scientific Notes and News, pp. 555-560
Discussion
- Biological Abstracts, pp. 560-561
- Frank R. Lillie
- Twisted Trees, p. 561
- A. R. Cahn
- The Mechanism of Crossing-Over, pp. 561-562
- C. D. Darlington
- Advances in the Biological Sciences, p. 562
- W. R. G. Atkins
- Literature Relating to Cod Liver Oil, pp. 562-563
- J. C. Drummond; T. P. Hilditch
- Inscriptions for a Scientific Building, p. 563
- George L. Omwake
Scientific Books
- ----------------, pp. 563-565
- A History of Entomology
- E. O. Essig
- Review author[s]: W. R. Walton
Scientific Apparatus and Laboratory Methods
- The Shapometer: A Device for Measuring the Shapes of Pebbles, pp. 565-566
- Allen C. Tester; H. X. Bay
- Apparatus to Circulate Liquid under Constant Pressure in a Closed System, p. 566
Special Articles
- Growth of Plants under Continuous Light, pp. 566-567
- Francis Ramaley
- A Maximum Point in an Effect of Prolonged X-Ray Irradiation upon Drosophila Larvae, pp. 567-568
- Robert Tennant
- The Effect of Sunlight on Human Blood Cells, p. 568
- W. W. Lepeschkin
- The Isolation of Normal Propyl Guaiacol as a Degradation Product of Lignin, pp. 568-570
- Max Phillips
Books Received, p. 570
Science News, pp. 10a+12a+14a
Previous Issue: New Series, Vol. 73, No. 1898, May 15, 1931
Next Issue: New Series, Vol. 73, No. 1900, May 29, 1931