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Science, New Series, Vol. 79, No. 2039, Jan. 26, 1934


Previous Issue: New Series, Vol. 79, No. 2038, Jan. 19, 1934
Next Issue: New Series, Vol. 79, No. 2040, Special Issue Containing Reports of the Fifth Boston Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 2, 1934


Front Matter (2 pp.)


The American Association for the Advancement of Science
On Poisons and Disease and Some Experiments with the Toxin of the Bacillus Tetani, pp. 63-70
John J. Abel


Obituary
Alfred Fabian Hess, pp. 70-72
Recent Deaths, p. 72


Scientific Events
Exhibit of the Physical Society, London, pp. 72-73
An Exhibit of Industrial Chemistry at the Newark Museum, p. 73
The New York State Experiment Station at Geneva, p. 73
British Honors, p. 74
In Honor of Professors of Mathematics at the University of Wisconsin, p. 74


Scientific Notes and News, pp. 74-77


Discussion
Some Erroneous Age Records of Paleozoic Plant Genera, pp. 77-78
David White
A Starchless Potato Induced by the Introduction of Foreign Enzymes, pp. 78-79
R. F. Suit; Harold Hibbert
A Promising Control for Psyllid Yellows of Potatoes, p. 79
George M. List; Leslie B. Daniels
Where Did This Really Happen?, pp. 79-80
Edward R. Warren
A Change of Names, p. 80
Barnum Brown


Reports
Tri-State Geological Field Conference of the Upper Mississippi Valley, pp. 80-82
J. Marvin Weller


Scientific Apparatus and Laboratory Methods
A New Method of Illustration, p. 82
Marjorie Hooker
A Simple Method for Measuring Small Time Intervals, pp. 82-83
K. D. Roeder


Special Articles
Contrasting Properties of Ions, Zwitterions and Uncharged Molecules, pp. 83-84
Edwin J. Cohn
"Exergic" and "Endergic" Reactions, p. 84
W. Blum


Books Received, p. 84
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 79, No. 2038, Jan. 19, 1934
Next Issue: New Series, Vol. 79, No. 2040, Special Issue Containing Reports of the Fifth Boston Meeting of the American Association for the Advancement of Science and Associated Societies, Feb. 2, 1934



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