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Previous Issue: New Series, Vol. 73, No. 1887, Feb. 27, 1931
Next Issue: New Series, Vol. 73, No. 1889, Mar. 13, 1931
Front Matter (4 pp.)
Mass Action in Cerebral Function, pp. 245-254
- K. S. Lashley
Obituary
- Ignatius Urban, pp. 254-255
- Paul C. Standley
- Erik L. Ekman, pp. 255-256
- Paul C. Standley
- Recent Deaths, p. 256
Scientific Events
- Institution for Surgical Biological Research at Downe, p. 256
- Observations for the Determination of Longitudes, pp. 256-257
- The Ohio Academy of Science, p. 257
- The Yale Oceanographic Expedition to the Bahama Islands, pp. 257-258
Scientific Notes and News, pp. 258-262
Discussion
- Isolation of Protein Crystals Possessing Tryptic Activity, pp. 262-263
- John H. Northrop; M. Kunitz
- Yellow-Spot Disease of Pineapples Transmitted by Thrips tabaci Lind, p. 263
- Maurice B. Linford
- Fracturing and Movement in Rocks without Apparent Displacement, pp. 263-264
- A. H. Sutton
- An Unusual Rainbow, p. 264
- Robt. E. S. Heineman
Scientific Books
- ----------------, pp. 264-265
- Thomas Say, Early American Naturalist
- Harry B. Weiss; Grace M. Ziegler
- Review author[s]: T. D. A. Cockerell
Scientific Apparatus and Laboratory Methods
- A New Singing Tube, pp. 265-266
- F. L. Robeson
- A Simple Microscope Eyepiece Pointer, p. 266
- James A. Lounsbury
Special Articles
- Observations concerning the Causative Agent of a Chicken Tumor, pp. 266-268
- James B. Murphy; O. M. Helmer; Albert Claude; Ernest Sturm
- The Dehydrogenation of Chlorophyll and the Mechanism of Photosynthesis, p. 268
- J. B. Conant; E. M. Dietz; S. E. Kamerling
Books Received, p. 268
Science News, pp. 10a-14a
Previous Issue: New Series, Vol. 73, No. 1887, Feb. 27, 1931
Next Issue: New Series, Vol. 73, No. 1889, Mar. 13, 1931