The Chronaxic Switching in the Nervous System.

The Chronaxic Switching in the Nervou System: Scientific Books: PROFESSORt Louis LAPICQUE ....... .............. 151 Bailey and Spoehr on the Bole of Research in the Development of Forestry in North America: PRoThe American Association for the Advancement of FESSOR HENRY S. GRAVES ....... .................. 170 Sciencoe: M Scientific Apparatus and Laboratory Methods: The Seoond Berkel.y Meeting of the Paci.ficDivi New Forms of Dry and Wet Bulb Ther,mom,eters: son: DR.ARTHuR G. VESTAL .......... 154 PROFESSOR ALEXANDER McADIE.172 Scientific Events: Special Articles: The Australian Institute of Anatomy; Malaria in Is Ossification Influenced Solely by Ultraviolet India; Soil Surveys Approved by the Pacific SciLight! PROFESSOR R. ADAMS DUTCHER and H. E. ence Congress; The Philippine Besearch Institute; HONEYWELL. A Comparison of the Copper ConThe Bermuda Oceanographic Expedition ............ ........... 159 tent of Oklahoma Wheat with Those of Other States: JAMES E. WEBSTER and PRAN JANSMA.173 Scientific Notes and News .......................... 162 Se es Science N!ews ............................................................................. x Universityand Educational Notes................... .1..........._._........ 166