GENERAL ORDERS, No. 210. WAR DEPARTMENT, ADJUTANT GENERAL’S OFFICE, Washington, June 11, 1864. By direction of the President, the 18th Army Corps is temporarily discontinued. The General commanding Division of West Missis- sippi will assign the troops of this Corps. ORDER OF THE SECRETARY OF War : B. D. TOWNSEND, Assistant Adjutant General. Official : Assistant Adjutant General.