Medical Research in the Clinic and Laboratory.

Medical Research in the Clinic and Laboratory: DR. Special Articles: SIMON FLEXNER ...........................................1 X-Ray Studies of Very Complex Mixtures of Long The Story of Isotopes: DR. F. W. ASTON ...............5 Chain Compounds: DR. EMIL OTT and D. A. Scientific Events: WILSON. Mucification of the Vaginal Epithelium New Building for the Departnent of Zoology of Immature Mice following Injections of Folat the University of London; The Wisconsin licular Fluid: DR. S. B. D. ABERLE. Studies on Alumni Research Foundation; Gravity Expedition the Etiology of Egyptian Trachoma: DR. PETER in Cuba; Committee of Dutch Professors on BeK. OLITSKY and JOSEPH R. TYLER ........................................... 16 half of German Jewish Students and Graduates; Geological Excursion to the Lake Superior Region; Index to Volume 77 ..............................1 Obituary ..................... ................6 Science News6...................................8 Scientific Notes and News ........................9 Discussion: "Red Water" in La Jolla Bay in 1933: PRoFESSOR W. E. ALLEN. Interbed-A Convenient SCIENCE: A Weekly Journal devoted to the AdvanceStratigraphic Expression: DR. GEOFFREY W. ment of Science, edited by J. McKEEN CATTELL and pubCRICKMAY. On the Effect of Moccasin Venom lished every Friday by upon a Rattlesnake: H. K. GLOYD. The Effect of Morphine on the Anal Sphincters: Dn. THEODORE THE SCIENCE PRESS KoPPANYI and WILLIAM S. MURPHY..................12 New York City: Grand Central Terminal Qotateons: 14 Lancaster, Pa. Garrison, N. Y. aler ec r ....................................... 1 Annual Subscription, $6.00 Single Copies, 15 Cts. Scientific Apparatus and Laboratory Methods: A Chamber for Experimentally Freezing HortiSCIENCE is the official organ of the American Associacultural Products at Very Low Temperatures: tion for the Advancement of Science. Information regardH. C. DIEHL. Cellophane Membranes for Taming membership in the Association may be secured from the office of the permanent secretary, in the Smithsonian bours: DR. HAROLD SCHLOSBERG ......................................... 15 Institution Building, Washington, D. C.