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Science, New Series, Vol. 70, No. 1815, Oct. 11, 1929


Previous Issue: New Series, Vol. 70, No. 1814, Oct. 4, 1929
Next Issue: New Series, Vol. 70, No. 1816, Oct. 18, 1929


Front Matter (4 pp.)
Psychology in America, pp. 335-347
J. McKeen Cattell


Obituary
George Rusby Kaye: 1866-1929, p. 347
David Eugene Smith
Naomasa Yamasaki, pp. 347-348
T. Wayland Vaughan
Recent Deaths, p. 348


Scientific Events
The Imperial Mycological Conference, pp. 348-349
The Brackenridge Clemens Memorial, pp. 349-350
The Parc National Albert in the Belgian Congo, p. 350
The Fiftieth Anniversary of the American Society of Mechanical Engineers, pp. 350-351
The Celebration of ``Light's Golden Jubilee'' by New York State, p. 351


Scientific Notes and News, pp. 351-354
University and Educational Notes, p. 354


Discussion
The Discovery of Insect Transmission of Pathogenic Micro-Organisms, p. 355
H. R. Rosen
The Rate of Absorption of Epinephrine from the Subcutaneous Tissue, pp. 355-356
C. F. Cori
The Chemical Nature of Enzymes, pp. 356-357
Emerson R. Miller
The Secretion of Adrenalin, p. 357
A. F. Woods
Simon's ``Les Arachnides de France'', p. 357
C. R. Crosby
Hermaphroditism in Dendraster, p. 357
Joseph Needham; A. R. Moore


Scientific Apparatus and Laboratory Methods
Decerebration of the Domestic Fowl, pp. 357-358
D. W. Ashcraft
Marking Geological Specimens, p. 358
Earl T. Apfel


Special Articles
On the Nature of Gene Action, pp. 358-360
John W. Gowen
The Function of the Fertilization Membrane in the Development of the Larva of the Sea Urchin, p. 360
A. R. Moore


Science News, pp. x+xii+xiv
Back Matter (4 pp.)

Previous Issue: New Series, Vol. 70, No. 1814, Oct. 4, 1929
Next Issue: New Series, Vol. 70, No. 1816, Oct. 18, 1929



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