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Previous Issue: New Series, Vol. 72, No. 1859, Aug. 15, 1930
Next Issue: New Series, Vol. 72, No. 1861, Aug. 29, 1930
Front Matter (4 pp.)
The American Association for the Advancement of Science
- The Origin of Land Plants, pp. 177-187
- Douglas H. Campbell
Obituary
- Recent Deaths, pp. 187-188
- Memorials, p. 188
Scientific Events
- The Faraday Centenary, pp. 188-189
- Explorations in Africa, p. 189
- The Fourth World Poultry Congress, pp. 189-190
- Honorary Degrees Conferred by Lehigh University, pp. 190-191
Scientific Notes and News, pp. 191-193
Discussion
- Relative Length of Pleistocene Glacial and Interglacial Stages, pp. 193-195
- Frank Leverett
- The Oxygen Consumption of Nerve during Activity, pp. 195-196
- R. W. Gerard
- Setigerous Cysts in the Earthworm, pp. 196-197
- C. P. Phoebus
- Auto-Transplanted Gastric Pouch Functioning for Five Years, p. 197
- A. C. Ivy
Scientific Books
- ----------------, pp. 197-198
- Astronomy
- R. H. Baker
- Review author[s]: Dirk Brouwer
Reports
- The Lübeck Disaster, pp. 198-199
Scientific Apparatus and Laboratory Methods
- Intra Vitam Technique for the Study of the Living Cells of Insects, pp. 199-201
- W. J. Baumgartner; M. Anthony Payne
- A Rapid Positive Control Method of Handling Small Quantities of Liquids, pp. 201-202
- E. L. Harrington
Special Articles
- Excessive Tax on Soil Fertility by Crop Production on Poor Land, pp. 202-203
- W. F. Gericke
- Comparative Racial Differences in Color-Blindness, pp. 203-204
- Forrest Clements
Books Received, p. 204
Science News, pp. x+xii+xiv
Previous Issue: New Series, Vol. 72, No. 1859, Aug. 15, 1930
Next Issue: New Series, Vol. 72, No. 1861, Aug. 29, 1930