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Previous Issue: New Series, Vol. 109, No. 2839, May 27, 1949
Next Issue: New Series, Vol. 109, No. 2841, Jun. 10, 1949
The Education of a Scientific Generalist, pp. 553-558
- Hendrik Bode; Frederick Mosteller; John Tukey; Charles Winsor
Photoproduction of Molecular Hydrogen by Rhodospirillum rubrum, pp. 558-559
- Howard Gest; Martin D. Kamen
Evidence for a Nitrogenase System in the Photosynthetic Bacterium Rhodospirillum rubrum, p. 560
- Martin D. Kamen; Howard Gest
A Microorganism Exhibiting a Growth Requirement for Peptides, pp. 561-562
- Sofia Simmonds; Joseph S. Fruton
Technical Papers
- Suppression of Gastric Acidity with Beta Particles of P32, pp. 563-564
- Norman Simon
- β-Glucuronidase Activity, pp. 564-565
- L. D. Odell; J. Burt; R. Bethea
- The Nature of the Pigmented Sheath in Drosophila Tumors, pp. 565-566
- Ernest W. Hartung; Mary-Garnett Tillinghast
- An Internal Geiger Counter for the Assay of Low Specific Activity Samples of Carbon 14 and Other Weak Beta Emitters in Biological Samples, pp. 566-567
- F. E. Kelsey
- Embryo Size and Productivity in Segregating Generations of Tomatoes, pp. 567-568
- R. E. Larson; Li Peng-Fi
- Hypersensitivity in Cold-Blooded Animals. II. Salamanders, pp. 568-569
- J. W. King; N. B. Dreyer
- Inactivation of Amino Acids by Autoclaving, pp. 569-571
- Robert John Evans; Helen A. Butts
- Improved Apparatus for Radiobiological Syntheses, pp. 571-572
- Clyde A. Dubbs
Comments and Communications
- Animal Experimentation in the District of Columbia, p. 573
- William F. Hewitt
- Interpretation of Lindner's Test for Plant Virus Diseases, pp. 573-574
- Sally Kelly
- Note on the Chemistry of Dramamine, p. 574
- John W. Cusic
Association Affairs
News and Notes, pp. 576-578
Previous Issue: New Series, Vol. 109, No. 2839, May 27, 1949
Next Issue: New Series, Vol. 109, No. 2841, Jun. 10, 1949