GENERAL ORDERS, ) WAR DEPARTMENT, v Adjutant General's Office, No. 80. ) Washington, March 31, 1863. It is hereby ordered that all Surgeons and Assistant Surgeons belonging to regiments, who are absent on any other than regimental duty, shall without delay rejoin their regiments. Medical officers of regiments will not hereafter be detached upon other service, except temporarily in cases of necessity, or where the Surgeon and two Assistant Surgeons are present, when one of the Assistants may be detached to hospital duty. By order of the Secretary of War: E. D. TOWNSEND, Assistant Adjutant General.