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Previous Issue: New Series, Vol. 73, No. 1879, Jan. 2, 1931
Next Issue: New Series, Vol. 73, No. 1881, Jan. 16, 1931
Front Matter (4 pp.)
The American Association for the Advancement of Science
- Some Chemical Aspects of the Origin of Petroleum, pp. 19-22
- S. C. Lind
Some Recent Aspects of Nematology, pp. 22-29
- N. A. Cobb
The Challenge of Plant Virus Differentiation and Classification, pp. 29-32
- James Johnson; Isme A. Hoggan
Scientific Events
- Vivisection in England, pp. 32-33
- Reorganization of the National Parks Association, pp. 33-34
- Robert Sterling Yard
- The Bowdoin Institute of Natural Science, p. 34
- Officers of the American Association for the Advancement of Science, pp. 34-35
Scientific Notes and News, pp. 35-38
Discussion
- Meteor Butte, pp. 38-39
- Frederick S. Dellenbaugh
- Diastrophism and Discourtesy, pp. 39-41
- H. L. Fairchild
- The Classification of Pythium, pp. 41-42
- F. K. Sparrow
- Two New Dominican Formational Names, pp. 42-43
- Carlotta J. Maury
Reports
- Investigations in Panama during the Summer of 1930, pp. 43-45
- Ernest Carroll Faust
Scientific Apparatus and Laboratory Methods
- An Adjustable Drop-Control for Burettes, pp. 45-46
- Franklin Hollander
Special Articles
- The Relationship between Electrical Differences of Potential in the Skin and Normal Basal Metabolism, pp. 46-49
- Charlotte Purdy; A. Frances Johnson; Charles Sheard
- Studies in Certain Factors Affecting the Resistance of Plants to Insect Pests, pp. 49-50
- Edward Philpott Mumford
Science News, pp. x+xii+xiv
Previous Issue: New Series, Vol. 73, No. 1879, Jan. 2, 1931
Next Issue: New Series, Vol. 73, No. 1881, Jan. 16, 1931