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Science, New Series, Vol. 81, No. 2110, Jun. 7, 1935


Previous Issue: New Series, Vol. 81, No. 2109, May 31, 1935
Next Issue: New Series, Vol. 81, No. 2111, Jun. 14, 1935


Front Matter (2 pp.)
Normal and Malignant Cells, pp. 545-553
Warren H. Lewis


Scientific Events
The British National Physical Laboratory, p. 553
Educational Geologic Trips in Pennsylvania, pp. 553-554
Bradford Willard
Grants for Research of the American Academy of Arts and Sciences, p. 554
Awards of Latin American Fellowships, pp. 554-555


Scientific Notes and News, pp. 555-559


Discussion
The New Active Principle of Ergot, pp. 559-560
H. W. Dudley; J. Chassar Moir
The Protection of Whales from the Danger of Caisson Disease, pp. 560-561
Laurence Irving
The Helmholtz-Koenig Controversy, pp. 561-562
R. R. Ramsey
Gonadectomy and a New Secondary Sexual Character in Frogs, pp. 562-564
D. Dwight Davis; Charles R. Law
A Chat, p. 564
John W. Crist


Scientific Books
Inequalities, pp. 565-566
Inequalities
G. H. Hardy; J. E. Littlewood; G. Pólya
Review author[s]: G. A. Bliss
Biology for Everyman, pp. 566-567
Biology for Everyman
J. Arthur Thomson
Review author[s]: T. D. A. Cockerell


Scientific Apparatus and Laboratory Methods
An Apparatus for Demonstrating the Oersted Effect, pp. 567-568
Ira M. Freeman
An Inexpensive Apparatus for the Measurement of Bodily Activity, p. 568
T. W. Richards
A Sensitive A-C Vacuum Tube Relay, pp. 568-569
Emory L. Ellis


Special Articles
On the Graphic Representation of Ionic Equilibria in Blood Serum, pp. 569-570
J. F. McClendon
Sexual Phases in Prosobranch Mollusks of the Genus Crepidula, pp. 570-572
W. R. Coe
Protective Vaccination of Horses with Modified Equine Encephalomyelitis Virus, p. 572
Erich Traub; Carl Ten Broeck


Books Received, p. 572
Science News, pp. 8a-10a
Back Matter (1 p.)

Previous Issue: New Series, Vol. 81, No. 2109, May 31, 1935
Next Issue: New Series, Vol. 81, No. 2111, Jun. 14, 1935



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