Applied Anthropology and the American Anthropologists.

The American Association for the Advancement of HinAow. Structural Geology: PROFEsSOR BAILEY Science: WILLIS .... 236 Applied Anthropology and the American AnthroSpecial Articles: pologists: DR. MELVILLE J. HERSKOVITS ........................... 215 Brain Potentials during Hypnosis: DR. ALFRED L. Obituary: LOOmIS, PROFESSOR E. NEWTON HARVEY and GABAlbert Spear Hitchcock: AGNES CHASE. Recent RT HOBART. Leaf Xanthophylls: Da. HARoLD Deaths ....222 H. STRAN. The Average Pore Size of DiaScientific Events: phragms: PROFESSOR HENRY B. BuLL and DE. A Habitat Group of Baboons from Ethiopia at the LAURENCE S. MOYER ............... 239 Field Mueum; The Academy of Natural Sciences Scientific Apparatus and Laboratory Methods: of Philadelphia; Expeditions of the Peabody MuA Simple Apparatus to Facilitate the Preparation seum of Yale University; Aeronautics and Airof Bacterial Vaccines: LUCY MISHULOW. The Conditioning at Cornell University; The Kansas Produotion of High Velocity Ions for the DisinteCity Meeting of the American Chemical Society ......... 224 gration of Atomic Nuclei: ROBERT J. MOON and Scientific Notes and News ..................227 PROFESSOR WILLIAM D. HARKINS .................. 243 Discussion: Science News.10 Recent German Mathematics: PROFESSOR G. A. MILL Folklore and Science: JEROME ALEXANDER. The Meaning of "Masking": FRANKLIN SCIENCE: A Weekly Journal devoted to the Advance. HENRY. A Central Tree Seed Laboratory: DR. ment of Science, edited by J. McKErN CATTzLL and pubHENRY I. BALDWIN. A Bit of Ill-considered lished every Friday by Conservation Legislation: PROFESSOR EDGAR T. THE SCIENCE PRESS ............................................................................................................... 230N Ci n Ce Pr eSS Special Correspondence: New York City: Grand Cntral Terinal Joint Geological and Prehistoric Studies of the Lancaster, Pa. Garrison, N. Y. Late Cenozoic in India: DR. H. DE TERRA, P. TEILAnnual Subcription, $6.00 Single Copies, 15 Ot. HARD DE CHARDIN and T. T. PATERSON.233 SCIENCB is the official organ of the American AssociaScientific Books: tion for the Advancement of Science. Information regardSanitary Engineering: PROFESSOR CHARLES ATing membership in the Association may be secured from the office of the permanent secretary, in the Smithsonian WOOD KoFomD. Vitamins: PROFESSOR BENJAMIN Institution Building, Washington, D. C.