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Previous Issue: New Series, Vol. 72, No. 1872, Nov. 14, 1930
Next Issue: New Series, Vol. 72, No. 1874, Special Issue Containing the Preliminary Announcement of the Fourth Cleveland Meeting of the American Association for the Advancement of Science and Associated Societies, December 29, 1930, to January 3, 1931. Edited by Burton E. Livingston, Permanent Secretary, Nov. 28, 1930
Front Matter (4 pp.)
The Age of the Earth, pp. 509-515
- Georg Von Hevesy
The Origin of South African Alluvial Diamonds, pp. 515-520
- George Frederick Kunz
Scientific Events
- Anthropologists at the Wellcome Museum, p. 520
- Wild Life in California, pp. 520-521
- Regional Reorganization of the U. S. Biological Survey, p. 521
- The Second International Congress for Sex Research, pp. 521-522
- Carl R. Moore
- The American Association for the Advancement of Science on the Pacific Coast, p. 522
- J. Murray Luck
Scientific Notes and News, pp. 523-526
Discussion
- Physiologically Active Compounds, p. 526
- Reid Hunt
- Salinity and Size, pp. 526-527
- Maynard M. Metcalf
- Molluscan Hosts in North America for Human Flukes, p. 527
- Lloyd G. Ingles
- A Bituminous Fossil Plant from the Triassic of North Carolina, p. 527
- Wm. F. Prouty
- The Meaning of Natural Selection, p. 528
- Francis Ralston Welsh
A Correction: Cancer luederwaldti, p. 528
- Mary J. Rathbun
Special Correspondence
- Progress of the Geological Survey of California, pp. 528-529
- Olaf P. Jenkins
Scientific Books
- ----------------, pp. 529-532
- A History of Experimental Psychology
- Edwin G. Boring
- Review author[s]: Edward S. Robinson
Scientific Apparatus and Laboratory Methods
- A Modification in Lantern Slide Projection Technique, pp. 532-533
- J. Van De Erve; J. M. Van De Erve
- How to Make Horizontal Demonstrations Visible to an Entire Class, pp. 533-534
- Edward J. Wimmer
Special Articles
- Triangular Nepionic Coiling in Carboniferous Ammonoids, pp. 534-535
- Carey Croneis
- Stimulatory Effects of Ultra-Violet Radiation upon Higher Plants, pp. 535-536
- Harry J. Fuller
- Heterothallism in Puccinia Coronata, p. 536
- Ruth F. Allen
Books Received, p. 536
Science News, pp. x+xii+xiv
Previous Issue: New Series, Vol. 72, No. 1872, Nov. 14, 1930
Next Issue: New Series, Vol. 72, No. 1874, Special Issue Containing the Preliminary Announcement of the Fourth Cleveland Meeting of the American Association for the Advancement of Science and Associated Societies, December 29, 1930, to January 3, 1931. Edited by Burton E. Livingston, Permanent Secretary, Nov. 28, 1930