Agronomic Advances in the Agriculture of the Corn Belt and the Great Plains Regions.

Agronomic Advances in the Agriculture of the Corn Belt and the Great Plains Regions: DR. H. K. ILSON .................................................................................................................. 499 Obituary: Harris Hancock: PROFESSOR LouIs BRAND. Chancey Juday: DR. A. S. PEARSE. Deaths and Memorials ........................................... 505 Scientific Events: Agriculture in Great Britain; The National Commission of Science Teaching; The National Council for Stream Improvement; The Pittsburgh Meeting of the American Society of Mechanical Engineers; Grants of the National Foundation for Infantile Paralysis; The New York Zoological Society ............ 507 Scientific Notes and News .................... ....................... 509 Discussion: Liquefied-Gas Method of Producing Germicidal Aerosols: DR. LYLE D. GOODHUE and DR. E. R. MCGOVRAN. The Preparation of Isolated Cell Nuclei of Rat Liver: DR. ALEXANDER L. DOUNCE. Diurnal Behavior Cycle in Spiders: DR. F. L. WELLS. More about White Blackberries: DR. WILLIAM A. MunRILL. Instigator of the Weather Bureau: DR. A. W. SCHORGER ........................................... 511 Scientific Books: Civilization and Disease: DR. M. G. SEELIG. Barometric Pressure: DR. ROBERT GRENELL .............................. 514 Societies and Academies: The Kansas Academy of Science: DR. JOHN C. FRAZIER ........................................... 516 Special Articles: Interference between St. Louis Encephalitis Virus and Equine Encephalomyelitis Virus (Western Type) in the Chick Embryo: DR. CARL E. Duppy. The Oxidation and Reduction of Muscle Adenosinetriphosphatase: PROFESSOR JOHN W. MEHL. Studies on the Peripheral Blood in Patients with Thermal Burns. I. Thrombocytopenia: DR. F. H. L. TAYLORand OTHERS .................. ......................... 517 Scientific Apparatus and Laboratory Methods: Use of Gelatin in the Influenza Red Cell Agglutination Test: THE PERSONNEL OF U. S. NAVY MEDICAL RESEARCH UNIT No. 1. A Simple Pipette Holder: DR. ARNOLD LAZAROW ....................................... .... 520 Science News ........................................... 10