Social Implications of Vitamins.

Social Implications of Vitamins: DR. ROBERT R. WILciation for the Advancement of Science: PROFESLIAMS .. .................. 471 SOR ARTHUR W. MELTON ........................................ 493 The Use and Misuse of Science in Government: DR. Special Articles: A. V. HILL ..... 475 Purification of the Virus of Mouse EncephalomyeliObituary: tis: DR. S. GARD and DR. K. 0. PEDERSEN. The CarWilliam Albert Noyes: DR. AUSTIN M. PATTERSON. cinogenic Effect of Methylcholanthrene and of Tar Mataro Nagayo: DR. WARO NAKAHARA. Deaths on Rabbit Papillomas Due to a Virus: DR. PEYTON and Memorials .477 RoUs and DR. WILLIAM F. FRIEDEWALD. PolyScientific Events: phenolase Activity as a Primary Cause in DarkenGifts and Bequests to New York University; The ing of Boiled Potatoes: PROFESSOR W. E. TOTTINGNew Hall of Ethnology of the Museum of New HAm and CARL 0. CLAGETT .493 Mexico; The New York Museum of Science and Scientific Apparatus and Laboratory Methods: Industry and the Henry R. Towne Endowment A Colorimetric Test for Vitamin K1: DR. FILAFund; The New York Meeting of the American DELFO IRREVERRE and DR. M. X. SULLIVAN. ConSociety of Mechanical Engineers; Resignation of centration of Enzymes and Other Biological ColDr. Roy Chapman Andrews as Director of the loids by Dialysis: DR. GUY E. YOUNGBURG. 497 American Museum of Natural History; Medals of Science News. 8 the Royal Society ..........480...................................... 480 Scientific Notes and News.483 Discussion ...............................:483 SCIENCE: A Weekly Journal devoted to the AdvanceThe Polarization of Atmospheric Haze: PROFESSOR ment of Science, edited by J. McKEEN CATTELL and pubHANS NEUBERGER. Some Effects of Binocular lished every Friday by Vision: FRANCIS H. ALLEN. The Obligation of the Universities: PROFESSOR CARL EPLING .....................485THE SCIENCE PRESS Special Correspondence: Physics in Pre-Nazi Germany .488 Lancaster, Pa. Garrison, N. Y. Quotations: New York City: Grand Central Terminal The Nutrition Society .489 Scientific Books: Annual Subscription, $6.00 Single Copies, 15 Cts. The H~arvard Books on Astronomy: PROFESSOR CHARLES H. SMILEY. Calculus of Extension:PoRSCIENCE is the official organ of the American AssociaFESSRERNST P. SMLAEY.490uuso tn :PO tion for the Advancement of Science. Information regardES OR NE LANE ............................................................. ing membership in the Association may be secured from Societies and Meetings: the office of the permanent secretary in the Smithsonian The Section of Psychology of the American AssoInstitution Building, Washington, D. C.