Hospital ana Ambulance Flags. GENERAL ORDERS 1 HEADQUARTERS, DEPARTMENT OF THE GULF, No. 12. j Few Orleans, January 28, 1864. The following General Order from the War Department, Adjutant General's Office, is republished for the information and guidance of the troops in this Depart- ment : General Orders ) War Department, Adjutant General's Office. No 9. ) Washington, January 4, 18G4. The Hospital and Ambulance Flags of the Army are established as follows: For General Hospitals, yellow bunting 9 by 5 feet, with the letter H, 24 inches long, of green bunting, in centre. For Post and Field Hospitals, yellow bunting 6 by 4 feet, with letter H, 24 inches long, of green bunting, in centre. For ambulances and guidons to mark the way to Field Hospitals, yellow bunting 14 by 28 inches, with a border, one inch deep, of green. By order o;< the Secretary of War: E. D. TOWNSEND, Assistant Adjutant General. By command of Major General Banks : GEORGE B. DRAKE, Assistant Adjutant General. Official: Assistant Adjutant General.