GENERAL ORDERS, No. 263. WAR DEPARTMENT, ADJUTANT general’s OFFICE, Washington, September 28, 1864. L By direction of tlie President of the United States, Major-Gen- eral Joseph Hooker is assigned to the command of the Northern Department. He will immediately proceed to Columbus, Ohio, and relieve Major-General Heintzei.man. II. Major-General Heintzelmax, on being relieved in command of the Northern Department, will repair to Wheeling, West Vir- ginia, report thence by letter to the Adjutant-General of the Army, and there await until he receives orders. ORDER OF THE SECRETARY OF WAR : E. D. TOWNSEND, Assistant Adjutant General. Official ; Assistant Adjutant General.