The Currents of the Pacific Ocean and Their Bearing on the Climates of the Coasts.

The Currents of the Pacific Ocean and Their Bearing Special Articles: on the Climates of the Coasts: DR. H. U. SVERDRUP 273 Reversible Inhibition of Tobacco Mosaic Virus in Obituary: Living Cells: PROFESSOR MARK W. WOODS. FurEdwin Morrison: DR. C. W. CHAPMAN and PROther Note on the Existence of a Respiratory NeuroFESSOR O. L. SNOW. Wilfred August Welter: hormone: PROFESSOR THEODORE KOPPANYI and CORRESPONDENT. Recent Deaths ............................................. 282 PROFESSOR CHARLES R. LINEGAR. Sarcomata and Scientific Events: Carcinomata Induced in Cottontail Rabbits by The Inventions Board of the Canadian GovernMethylcholanthrene: DR. JEROME T. SYVERTON and ment; Expedition to the Caribbean; Timepieces DR. GEORGE PACKER BERRY. Sex Differences in the of the James Arthur Collection at New York UniStructure of Bowman's Capsule in the Mouse: versity; The Gray Herbarium of Harvard UniverCHARLOTTE CRABTREE .............................................................................. 295 sity; The Associated Hospital Service of New Scientific Apparatus and Laboratory Methods: York City; Theft of Research Microscopes from Hay Ventilation: MAYNARD S. GRUNDER. Organic the Biological Laboratory of Amherst College; Mercury Derivatives of Basic Triphenylmethane Officers of the Federation of American Societies Dyes: DR. LYMAN CHALKLEY ...................................................... 299 for E xperim ental B iology ................. ....................... ........... 283 Science ...................................................................................................... 8