Official list of changes in the stations and duties of officers serving in the Medical Department, U. S. Army, from April 21,1894, to April 27,1894.Capt. William L. Kneedler, Asst. Surgeon, will, in addition to his present duties as post surgeon at Ft. Mason, Cal., perform that of attending surgeon at San Francisco, Cal., until further orders.Capt. James D. Glennan, Asst. Surgeon, is granted leave of absence for one month, to take effect on or about April 24,1894.Major Valery Havard,Surgeon, is relieved from duty at Ft. D. A. Russell Wyo., and ordered to David's Island, N. Y.,for duty, relieving Major Joseph R. Gibson, Surgeon. Major Gibson, on being relieved by Major Havard, is ordered to Ft. Snelling, Minn., for duty at that station, relieving Major Charles K. Winne, Surgeon. Major Charles K. Winne, on being relieved by Major Gibson, is ordered to duty at Ft.