Dr. Sumner L. S. Koch, Chicago, discussed "Surgical Management of Fractures, Lacerations and Infections of the Hand" before the Los Angeles Surgical Society March 24.—Among others, Dr. Wilbur Bailey addressed the Trudeau Society in Los Angeles March 28 on "Spontaneous Pneumothorax of Nontuberculous Origin."
Changes in Health Officers.—
The Weekly Bulletin of the California Department of Public Health recently announced the following changes in health officers:Dr. Albert B. Gray, Dorris, succeeding Dr. Paul F. Dieffenbacher.Dr. David G. Schmidt, Larkspur, succeeding Dr. Cornwall C. Everman.Dr. James D. Coulter, Portola, of Plumas County.Dr. Harry M. Grayman of Dos Palos to succeed Dr. Edwin A. Patterson.Dr. James L. Faulkner, Red Bluff, of Tehama County, succeeding Dr. Otho T. Wood.Dr. William E. Fountain, Merced, of Merced County, succeeding Dr. Clarence C. Fitzgibbon.Dr. Reuben L. Kaufman, who has served for many years as district health