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Previous Issue: New Series, Vol. 25, No. 647, May 24, 1907
Next Issue: New Series, Vol. 25, No. 649, Jun. 7, 1907
Front Matter (3 pp.)
The International Aeronautical Conference at Milan, pp. 841-845
- A. Lawrence Rotch
The Danger of Overspecialization, pp. 845-854
- L. H. Baekeland
Scientific Books
- ----------------, pp. 854-856
- The Syllogistic Philosophy or Prolegomena to Science
- Francis Ellingwood Abbot
- Review author[s]: R. M. Wenley
- ----------------, pp. 856-859
- American Fossil Cycads
- G. R. Wieland
- Review author[s]: D. P. Penhallow
Societies and Academies, pp. 860-868
Discussion and Correspondence
- The Clocks of the Greenwich and U. S. Naval Observatories, pp. 868-870
- Thomas Lewis
- Reasons for Believing in an Ether, p. 870
- Paul R. Heyl
- The First Species Rule, p. 870
- James A. G. Rehn
Special Articles
- Some Mutual Effects of Tree-Roots and Grasses on Soils, pp. 871-874
- Charles A. Jensen
Notes on Organic Chemistry, pp. 874-875
- J. Bishop Tingle
Botanical Notes, pp. 875-877
- Charles E. Bessey
Linnæus and the New York Academy of Sciences, p. 877
Scientific Notes and News, pp. 877-879
University and Educational News, pp. 879-880
Previous Issue: New Series, Vol. 25, No. 647, May 24, 1907
Next Issue: New Series, Vol. 25, No. 649, Jun. 7, 1907