Science, New Series, Vol. 61, No. 1585, May 15, 1925

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Front Matter (4 pp.)
The Opportunity of Anatomy, pp. 499-507

Florence R. Sabin

Restoration of the Oldest Known Forest, pp. 507-508

J. Austen Bancroft

John Van Denburgh 1872-1924, pp. 508-510

Barton Warren Evermann

Scientific Events

Moseleyum and the Names of Elements, p. 510

The American Association of Museums, pp. 510-511

Pharmaceutical Research, p. 511

National Research Fellowships in Medicine, p. 512

Scientific Notes and News, pp. 512-515
University and Educational Notes, p. 515

Discussion and Correspondence

The Ether Drift, pp. 515-516

Paul R. Heyl

The Disappearance of Helium in Geissler Tubes, p. 516

Harvey B. Lemon

The Classified Continuation Card Catalogue of the Bibliography of Fishes, pp. 516-517

E. W. Gudger

Special Articles

The Life of Metastable Helium and Mercury, pp. 517-518

Carl Eckart

The Successive Stimulation of the Arc Lines of Helium below the Ionization Potential, p. 518

C. B. Bazzoni; J. T. Lay

The National Academy of Sciences

Abstracts of Papers Presented at the Washington Meeting, April 25 and 26, pp. 518-524

Science News, pp. x+xii+xiv

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