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Science, New Series, Vol. 81, No. 2109, May 31, 1935


Previous Issue: New Series, Vol. 81, No. 2108, May 24, 1935
Next Issue: New Series, Vol. 81, No. 2110, Jun. 7, 1935


Front Matter (2 pp.)
Photons in Chemistry and Biology, pp. 523-528
Farrington Daniels


Scientific Events
The Electrostatic Generator at the Massachusetts Institute of Technology, pp. 528-529
Symposium on Ionic Physics at Cornell University, p. 529
Meetings of Sigma Xi, pp. 529-530
Award to Dr. Kraus of the Willard Gibbs Medal, p. 530
The Retirement of Professor Ernest Merritt, p. 530
Recent Deaths, p. 531


Scientific Notes and News, pp. 531-534


Discussion
A Kitchen Middens with Bones of Extinct Animals in the Upper Lakes Area, p. 535
Samuel Eddy; Albert Ernest Jenks
Studies of Crystalline Vitamin B1 VII. Its Relation to Pathological States, pp. 535-536
Robert R. Williams; Robert E. Waterman; John C. Keresztesy
A Phytosterol and Phytosterolin from the Sweet Potato, p. 536
M. B. Matlack
The Application of Artificially Ionized Air, pp. 536-537
Alexis L. Romanoff
Experimental Adaptation of Freshwater Ciliates to Sea Water, p. 537
John A. Frisch
Distribution of Separates of Certain Papers by the Late Dr. Bashford Dean, p. 537
E. W. Gudger


Scientific Books
Primitive Land Plants, pp. 537-539
Primitive Land Plants, also known as the Archegomiatae
F. O. Bower
Review author[s]: E. W. Berry
Subsidence, pp. 539-540
Subsidence within the Atmosphere
Jerome Namias
Review author[s]: C. L. Mitchell


Scientific Apparatus and Laboratory Methods
New Arrangement for Regulating Flow of Liquid into a Culture Vessel, pp. 540-542
Ch. Zinzadze


Special Articles
A Second-Generation Captive-Born Chimpanzee, pp. 542-543
Robert M. Yerkes
A Gene for Control of Interstitial Localization of Chiasmata in Allium Fistulosum L., pp. 543-544
S. L. Emsweller; H. A. Jones
How Long Do Roots of Grasses Live?, p. 544
Laurence A. Stoddart


Books Received, p. 544
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 81, No. 2108, May 24, 1935
Next Issue: New Series, Vol. 81, No. 2110, Jun. 7, 1935



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