Radio-iron in Plasma Does Not Exchange with Hemoglobin Iron in Red Cells.

Marihuana: PROFESSOR ROGER ADAMS ....................................... 115 Special Articles: Radio-iron in Plasma Does Not Exchange with The Royal Society of Canada: PROFESSOR D. A. KEYS 119 Hemoglobin Iron in Red Cells: DR. G. H. WHIPPLE and OTHERS. Viscosity and the Shape of Protein Scientific Events: Molecules: DRS. J. W. MEHL, J. L. ONCLEY and Chem istry Exhibits of the Chicago useum of SciR. IMHA ............................................................................................................ 131 ence and Industry; The Concilium Bibliographicum; Scientific Apparatus and Laboratory Methods: The Inter-American Society of Microbiology; The An Electronic Relay for Heat Control: ALBERT C. American Mining Congress; The Los Angeles MeetHALL and DR. LAWRENCE J. HEIDT. Inexpensive ing of the American Institute of Electrical EngiMicrophotographic Records: DR. J. F. MCCLENDON 133 neers. Recent Deaths and Memorials ................................. 122 cien ce ......................................................................................................... 8