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Previous Issue: New Series, Vol. 69, No. 1786, Mar. 22, 1929
Next Issue: New Series, Vol. 69, No. 1788, Apr. 5, 1929
Front Matter (4 pp.)
The American Association for the Advancement of Science
- The American Negro, pp. 337-341
- Robert J. Terry
The Agricultural Experiment Station--An Institute for Fundamental Research in Rural Affairs, pp. 341-346
- E. M. Freeman
Scientific Events
- The Study of Agriculture in New York State, pp. 346-347
- The `` Sloth Pit '' in New Mexico, p. 347
- Research on Deafness, pp. 347-348
- The Toronto Meeting of the American Electrochemical Society, p. 348
- Research in Agricultural Chemistry, p. 348
- The Fiftieth Anniversary of the U. S. Geological Survey, p. 349
Scientific Notes and News, pp. 349-352
University and Educational Notes, pp. 352-353
Discussion
- The Interaction of Matter and Radiation, pp. 353-354
- Gordon F. Hull
- A Factor in the Problem of Biological Publications, p. 355
- J. R. DE LA Torre-Bueno
- The Alleged Scarcity of Research Men, pp. 355-356
- F. L. O. Wadsworth
- Crepis Reuteriana and Its Chromosomes, p. 356
- E. B. Babcock; Lillian Hollingshead
- Thrips as Carriers of Fig-Decaying Organisms, pp. 356-357
- H. N. Hansen
- Galba Bulimoides Lea an Intermediate Host of Fasciola Hepatica in Oregon, p. 357
- J. N. Shaw; B. T. Simms
- The Radioactivity of Light Elements, p. 357
- James M. Hendel
- Raman Scattering from Hci Liquid, p. 357
- E. O. Salant; A. Sandow
- Professor Huntington's Method in Controversy, pp. 357-358
- Walter F. Willcox
Quotations
- Industries and Research, pp. 358-359
Scientific Apparatus and Laboratory Methods
- The Use of ``Dry Ice'' Or Solid Carbon Dioxide as a Laboratory Refrigerant, pp. 359-360
- Stuart Dunn
- The Use of Solid Carbon Dioxide in Making Freezing-Point Determinations with Plant Juices, p. 360
- L. P. Latimer
Special Articles
- Series in the Arc Spectrum of Bromine, pp. 360-361
- T. L. DeBruin; C. C. Kiess
- On the Biological Effects of X-Rays, p. 361
- H. K. Svenson
- Control of the Cotton Boll Weevil by Insect Enemies, pp. 361-362
- Edgar F. Grossman
Science News, pp. x+xii+xiv
Previous Issue: New Series, Vol. 69, No. 1786, Mar. 22, 1929
Next Issue: New Series, Vol. 69, No. 1788, Apr. 5, 1929