Efficient Surgical Service for the Whole Community.

Efficient Surgical Science for the Whole Community: Reports: DR. ROBERT B. GREENOUGH ....................... 435 The New England Intercollegiate Geological ExSome High Lights of Astronomy During the Past cursion: PROFESSOR LLOYD W. FISHER .............................. 453 Year: DR. HARLOW SHAPLEY ...................... 439 Scieztific Apparatus and Laboratory Methods: Obituary: An Electrically Heated Slide-ringing Device: The Widow of Charles S. Peirce: DR. JOSEPH BASIL W. PARKER. Preservation of Small AmJASTROW. Recent Deaths ..................... 440 phibia in Gelatin: FRANK JAMES GORDON .................. 456 Scientific Events: Special Articles: Historic Scientific Instruments; The Hall of Races Transmission of Influenza by a Filterable Virus: of Mankind at the Field Colutmbian Museum; DR. THOMAS FRANCIS, JR. Glutamine in the Grants in Aid of Research of the American Acad. Tomato Plant: DR. HUBERT BRADPORD VICKERY, emy of Arts and Sciences; Sigma Pi Sigma ConDR. GEORGE W. PUCHER and DR. HAROLD E. vention; The Cleveland Meeting of the National CLARK. Ovulation in the Domestic Hen: PROAcademy of Sciences ......................... 442 FESSOR D. C. WARREN and PROFESSOR H. M. Scor' 457 Scientific Notes and News ...................... 444 Science News ................................... 8 Discussion: Geology and Archeology as Border Sciences: DR. SCIENCE: A Weekly Journal devoted to the AdvanceH. DE TERRA. Perforated Fiber-Tracheids in the ment of Science, edited by J. MCKEEN CATTELL and pubPassion Flowers: DR. R. H. WOODWORTH. A Poslished every Friday by sible Belation of Vitamin E to Unrestricted Cell THE SCIENCE PRESS Division: DR. F. B. ADAmSTONE. The Chemical THE SCiEnCenPraeS Transmission of Nerve Impulses: SIR HENRY H. New York City: Grand Cetral Terminal DALE............................................................................... Lancaster, I Scientific Books: Annual Subscription, $6.00 Single Copies, 15 Cts. "Parasitism and Disease": PROFESSOR E. E. SCIENCE is the official organ of the American AssociaTYZZER. "'Crystal Structure": PROPESSOR LINUS tion for the Advancement of Science. Information regardPAULING. "Timbers of North America": ARTHUR ing membership in the Association may be secured from KOEHLERR....................................................... 45 the office of the permanent secretary, in the Smithsonian ............I.. 450 Institution Building, Washington, D. C.