GENERAL ORDERS, No. 134. WAR DEPARTMENT, Adjutant General’s Office, Washington, September 19, 1862. The prisoners of war, except commissioned officers, who were deliv- ered to Lieutenant Colonel Ludlow, Aide-de-Camp to Major General Dix, at Aiken’s Landing, James river, Virginia, on the 14th and 15th instant, are declared to be exchanged. By order of the Secretary of War: L. THOMAS, Adjutant General. Official: Assistant Adjutant General.