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Previous Issue: New Series, Vol. 25, No. 648, May 31, 1907
Next Issue: New Series, Vol. 25, No. 650, Jun. 14, 1907
Front Matter (1 p.)
Some Physiological Variations of Plants, and Their General Significance, pp. 881-889
- James B. Pollock
A Plea for the Study of the History of Medicine and Natural Sciences, pp. 889-895
- Berthold Laufer
Scientific Books
- The Mission Foureau, pp. 895-901
- Documents Scientifiques de la Mission Saharienne, d'Alger au Congo par le Tchad
- F. Foureau
- The Crawfishes of the State of Pennsylvania
- Arnold E. Ortmann
- Review author[s]: W. H. Dall; Chas C. Adams
Scientific Journals and Articles, pp. 901-902
Societies and Academies, pp. 902-907
Discussion and Correspondence
- A Protest on Behalf of the Systematic Zoologist and the Bibliographer, pp. 907-908
- J. Chester Bradley
- Science and Poetry--A Protest, pp. 908-909
- C. Stuart Gager
- Concerning Left-Handed Aborigines, p. 909
- Albert B. Reagan
- Uplift Increases Rainfall, Denudation Diminishes it, pp. 909-910
- Mark S. W. Jefferson
Special Articles
- The Development of Unfertilized Frog Eggs Injected with Blood, pp. 910-911
- Michael F. Guyer
- Transmission Inheritance Distinct from Expression Inheritance, pp. 911-912
- O. F. Cook
- A New Method by Which Sponges May Be Artificially Reared, pp. 912-915
- H. V. Wilson
Scientific Notes and News, pp. 915-919
University and Educational News, pp. 919-920
Previous Issue: New Series, Vol. 25, No. 648, May 31, 1907
Next Issue: New Series, Vol. 25, No. 650, Jun. 14, 1907