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Previous Issue: New Series, Vol. 92, No. 2376, Jul. 12, 1940
Next Issue: New Series, Vol. 92, No. 2378, Jul. 26, 1940
Front Matter (4 pp.)
The Seattle Meeting of the American Association for the Advancement of Science, pp. 45-50
- F. R. Moulton
An Electron Microscope for the Research Laboratory, pp. 51-53
- V. K. Zworykin
Scientific Events
- The Harvard School of Dental Medicine, pp. 53-54
- The Guggenheim Fellowships for Latin Americans, p. 54
- Fellowships of the Zoological Society of San Diego, p. 55
- Award of Medals of the Royal Geographical Society, p. 55
- The New Hampshire Meeting of Mathematicians, pp. 55-56
- Recent Deaths, p. 56
Scientific Notes and News, pp. 56-58
Discussion
- The Sampling Error of the Median, pp. 58-59
- Edwin B. Wilson
- The Publication of Isis, pp. 59-60
- George Sarton
- Zoological Society of London, p. 60
- Julian S. Huxley
Scientific Books
- Electrical Discharges in Gases, p. 61
- Fundamental Processes of Electrical Discharges in Gases
- Leonard B. Loeb
- Review author[s]: Lewi Tonks
- The Ultracentrifuge, pp. 61-62
- The Ultracentrifuge
- The Svedberg; Kai O. Pedersen
- Review author[s]: J. W. Beams
Special Articles
- On the Identity of Vitamin H with Biotin, pp. 62-63
- Vincent Du Vigneaud; Donald B. Melville; Paul György; Catharine S. Rose
- Mobilization of Vitamin A by Alcohol, p. 63
- L. B. Pett
- Enzymatic Liberation of Auxin from Plant Tissues, p. 64
- Folke Skoog; Kenneth V. Thimann
Science News, pp. 6+8-9
Back Matter (1 p.)
Previous Issue: New Series, Vol. 92, No. 2376, Jul. 12, 1940
Next Issue: New Series, Vol. 92, No. 2378, Jul. 26, 1940