GENERAL ORDERS, No. 238. WAR DEPARTMENT. ADJUTANT GENERAL’S OFFICE, Washington, July 30, 1864. The following assignments are hereby made:— 1. Major-General 0. 0. Howard to the command of the Army and Department of the Tennessee. 2. Major-General H. W. Si.occm to the command of the 20th Army Corps, vice Major-General Hooker, w’ho is relieved at his own request. 3. Major-General D. S. Stanley to the command of the 4th Army Corps, vice Major-General Howard, transferred to the Army and Department of the Tennessee. By order of the President of the United States: E. D. TOWNSEND, Assistant Adjutant General. Official : Assistant Adjutant General.