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Science, New Series, Vol. 55, No. 1431, Jun. 2, 1922


Previous Issue: New Series, Vol. 55, No. 1430, May 26, 1922
Next Issue: New Series, Vol. 55, No. 1432, Jun. 9, 1922


Front Matter (1 p.)
Contemporary Deterrents to the Process of Clinical Medicine, pp. 577-582
Sydney R. Miller

Photoperiodism, the Response of the Plant to Relative Length of Day and Night, pp. 582-583
W. W. Garner; H. A. Allard

Fish Parasitism in its Relation to Biological Problems of the Northwest, pp. 583-584
Nathan Fasten

The Third Asiatic Expedition of the American Museum of Natural History, pp. 584-587
Roy Chapman Andrews


Scientific Events
The University of Halifax, pp. 587-588
Activities of the Rockefeller Foundation, p. 588
The Annual Meeting of the American Ceramic Society, pp. 588-589
The Illinois State Academy of Science, pp. 589-590
C. Frank Phipps
The Third International Congress of the History of Medicine, p. 590


Scientific Notes and News, pp. 590-593
University and Educational Notes, p. 593


Discussion and Correspondence
The Writing of Popular Science, pp. 593-595
N. Ernest Dorsey; J. O'H. Cosgrave
The University of Graz, pp. 595-596
L. B. Becking
Request for Papers on Geologic Diffusion, p. 596
Geo. Otis Smith


Atmospheric Pollution, pp. 596-597
Alexander McAdie


Special Articles
Studies of the Pollen Tubes and Abortive Ovules of the Globe Mutant of Datura, pp. 597-599
John T. Buchholz; Albert F. Blakeslee


The Mathematical Association of America, pp. 599-600
W. D. Cairns

The American Mathematical Society, pp. 600-602
R. G. D. Richardson

Previous Issue: New Series, Vol. 55, No. 1430, May 26, 1922
Next Issue: New Series, Vol. 55, No. 1432, Jun. 9, 1922



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