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Previous Issue: New Series, Vol. 90, No. 2345, Dec. 8, 1939
Next Issue: New Series, Vol. 90, No. 2347, Dec. 22, 1939
Front Matter (3 pp.)
Dr. Robert Henry Thurston's Eighteen Years at Cornell, pp. 547-552
- William F. Durand
Photoperiodic Aspects of Phasic Development, pp. 552-555
- W. F. Loehwing
Obituary
- Margaret Floy Washburn: 1871-1939, pp. 555-557
- Karl M. Dallenbach
- Oscar Henry Plant, pp. 557-558
- E. G. Gross; I. H. Pierce
- Recent Deaths and Memorials, p. 558
Scientific Events
- Mining Education in England, pp. 558-559
- Lectures to the Laity of the New York Academy of Medicine, p. 559
- Statement of the Board of Trustees of Biological Abstracts, pp. 559-560
- The Annual Meeting of the Council of the Union of American Biological Societies, p. 560
- George W. Hunter
- Award of the Penrose Medal of the Geological Society of America, pp. 560-561
Scientific Notes and News, pp. 561-564
Discussion
- Grassland as a Site for Basic Research on Terrestrial Animals, pp. 564-565
- V. E. Shelford
- Oxygen Requirements for Germination of Seeds of Nyssa Aquatica--Tupelo Gum, pp. 565-566
- Ivan V. Shunk
- On "A New Color Reaction for Vitamin B1 (Thiamin, Aneurin)", p. 566
- Guy E. Youngburg
- Chronica Botanica, p. 566
- D. T. MacDougal; F. E. Lloyd; H. S. Reed
Scientific Books
- Physics, pp. 566-568
- Physical Science in Modern Life
- E. G. Richardson
- Demonstration Experiments in Physics
- Richard Manliffe Sutton
- Review author[s]: F. C. Brown
Reports
- Grants of the American Philosophical Society, pp. 568-570
Special Articles
- Photosynthesis with Radio-Carbon, pp. 570-571
- S. Ruben; M. D. Kamen; W. Z. Hassid; D. C. DeVault
- The Preparation and Purification of Brucella Antiserum, pp. 571-572
- I. Forest Huddleson; R. B. Pennell
- Selenium and Duck Sickness, pp. 572-573
- Arthur C. Twomey; Sarah J. Twomey; Loring R. Williams
Scientific Apparatus and Laboratory Methods
- A Simple Method for the Filing of Microfilm Records in Short Length Strips, pp. 573-574
- Harold P. Brown; James A. Austin
Science News, pp. 8a+9a+10a
Previous Issue: New Series, Vol. 90, No. 2345, Dec. 8, 1939
Next Issue: New Series, Vol. 90, No. 2347, Dec. 22, 1939