Science, New Series, Vol. 49, No. 1271, May 9, 1919

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Front Matter (1 p.)
The Physiology of the Aviator, pp. 431-441

Yandell Henderson

A New Deposit of Uranium Ore, pp. 441-443

S. C. Lind; C. W. Davis

Scientific Events

Conference on High School Biology, p. 443

Appointments at Harvard University, p. 444

The National Academy of Sciences, pp. 444-445

Scientific Notes and News, pp. 445-446
Educational Notes and News, p. 447

Discussion and Correspondence

Apropos of the Proposed Historical Science Section, pp. 447-448

G. A. Miller

Vitamin Tests with Chicks, p. 448

R. J. Seymour; E. P. Durrant

Quotations

The British Air-Force Estimates and Aeronautical Research, pp. 448-449

Scientific Books

----------------, pp. 449-450

The Place of Description, Definition and Classification in Philosophical Biology

William E. Ritter

Review author[s]: Walter P. Taylor

Special Articles

To Cut off Large Tubes of Pyrex Glass, pp. 450-451

Chas. T. Knipp

The Illinois State Academy of Science, pp. 451-452

J. L. Pricer

Back Matter (1 p.)

Previous Issue: New Series, Vol. 49, No. 1270, May 2, 1919
Next Issue: New Series, Vol. 49, No. 1272, May 16, 1919