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Previous Issue: New Series, Vol. 70, No. 1825, Dec. 20, 1929
Next Issue: New Series, Vol. 71, No. 1827, Jan. 3, 1930
Front Matter (5 pp.)
The New Soil Science, pp. 619-622
- P. E. Brown
Recent Progress in the History of Ancient Mathematics, pp. 622-624
- Louis C. Karpinski
Obituary
- Victor Clarence Vaughan, pp. 624-626
- Frederick G. Novy
- Memorials, p. 626
- Recent Deaths, p. 626
Scientific Events
- Gold, Silver, Copper, Lead and Zinc in the Eastern States, pp. 626-627
- Collections for the Field Museum from Eastern Asia, pp. 627-628
- Electrical Apparatus Presented by Columbia University to Edisonia, p. 628
- The Society for Experimental Biology and Medicine of Southern California, pp. 628-629
Scientific Notes and News, pp. 629-632
University and Educational Notes, p. 632
Discussion
- The Popularization of Science, pp. 632-634
- William A. Hamor; Lawrence W. Bass
- The Zodiacal Light, pp. 634-635
- Harlan T. Stetson
- Cranberry False-Blossom Disease Spread by a Leafhopper, p. 635
- Irene D. Dobroscky
- Cell Fusions in Fungous Hyphae, p. 635
- Illo Hein
- Information concerning Castoroides, p. 635
- A. R. Cahn
Scientific Books
- ----------------, pp. 636-637
- Review author[s]: Frederick E. Brasch
Scientific Apparatus and Laboratory Methods
- Preserving Certain Green Algae in Natural Colors, p. 637
- Mark Winton Woods
Special Articles
- Ancient Migration Routes of Central Asia, pp. 638-639
- Henry Fairfield Osborn
- The Structural Correlation of Gitoxigenin with Digitoxigenin, pp. 639-640
- Walter A. Jacobs; Edwin L. Gustus
Science News, pp. x+xii+xiv
Back Matter (4 pp.)
Previous Issue: New Series, Vol. 70, No. 1825, Dec. 20, 1929
Next Issue: New Series, Vol. 71, No. 1827, Jan. 3, 1930