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Science, New Series, Vol. 63, No. 1638, May 21, 1926


Previous Issue: New Series, Vol. 63, No. 1637, May 14, 1926
Next Issue: New Series, Vol. 63, No. 1639, May 28, 1926


Front Matter (4 pp.)
Arthur Robertson Cushny and Pharmacology, pp. 507-515
John J. Abel

The Department of Tropical Research of the New York Zoological Society, pp. 515-516
William Beebe

The Brooklyn Botanic Garden, pp. 516-517


Scientific Events
The Harvard Expedition to Africa, pp. 517-518
A Preliminary Conference on University Research, p. 518
Awards of the Lapham Medals of the Wisconsin Archeological Society, pp. 518-519
National Research Fellows in the Medical Sciences, p. 519


Scientific Notes and News, pp. 519-523
University and Educational Notes, p. 523


Discussion and Correspondence
The Contractile Vacuole Granules in Amoeba Proteus, pp. 523-524
Digestion of Wood by the Shipworm, p. 524
Robert C. Miller; Lyman C. Boynton
Woodpeckers and the Automobile, p. 524
Freeman F. Burr
Annual Exhibition of the Royal Photography Society, pp. 524-525
A. J. Newton
Request for Data on the Twilight Song of the Wood Pewee, p. 525
Wallace Craig


Scientific Books
----------------, pp. 525-526
Manual of Injurious Insects
Glenn W. Herrick
Review author[s]: L. O. Howard


Scientific Apparatus and Laboratory Methods
A Method of Demonstrating the Embryonic Membranes of the Chick, pp. 526-527
Ernest B. Hanan
Demonstrating the Askenasy Experiment, p. 527
C. H. Arndt


Special Articles
Dewbows by Moonlight, pp. 527-528
Maurice Ewing


The National Academy of Sciences, pp. 528-530
Science News, pp. xii+xiv+xvi

Previous Issue: New Series, Vol. 63, No. 1637, May 14, 1926
Next Issue: New Series, Vol. 63, No. 1639, May 28, 1926



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