GENERAL ORDERS, No. 9. WAR DEPARTMENT, Adjutant General’s Office, Washington, January 4,1864. 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 of the Secretary of War : E. D. TOWNSEND, Assistant Adjutant General. Official : Assistant Adjutant General.