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Science, New Series, Vol. 57, No. 1480, May 11, 1923


Previous Issue: New Series, Vol. 57, No. 1479, May 4, 1923
Next Issue: New Series, Vol. 57, No. 1481, May 18, 1923


Front Matter (3 pp.)
Dystrophic Morphology and Its Significance, pp. 537-546
Clarence M. Jackson

A Research Career in Astronomy, pp. 546-548
Paul W. Merrill


Scientific Events
Epidemic Disease in Europe, p. 548
Fellowships of the Rockefeller Foundation, p. 549
Chemistry-Commerce Course at the University of Wisconsin, pp. 549-550
J. H. Mathews
Standardization of Traffic Signal Colors, p. 550
The Library of William James, pp. 550-551
The Swarthmore Chapter of Sigma Xi, p. 551


Scientific Notes and News, pp. 551-556
University and Educational Notes, p. 556


Discussion and Correspondence
Erythrodextrin in Maize, pp. 556-557
J. H. Kempton
The Personal Equation and Reaction Times, pp. 557-559
R. H. Tucker; Knight Dunlap
Ærobic?, p. 559
Arthur W. Dox; W. W. Keen


Quotations
Park Conservation, pp. 559-560


Scientific Books
----------------, pp. 560-561
Exercise in Education and Medicine
R. Tait McKenzie
Review author[s]: Dudley A. Sargent


Special Articles
Note on the Equations for Tortuosity in Thomson and Tait's Natural Philosophy, p. 562
Carl Barus
Very Soft X-Rays--the M -- Series for Iron, pp. 562-563
Gerhard K. Rollefson


The American Chemical Society, pp. 563-566
Charles L. Parsons

Science News, pp. ix-x+xii+xiv

Previous Issue: New Series, Vol. 57, No. 1479, May 4, 1923
Next Issue: New Series, Vol. 57, No. 1481, May 18, 1923



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