GENERAL ORDERS, No. 38. Avar department, Adjutant General’s Office, Washington,'June 27, 1861. I. -Those volunteers who are now in the service of the United States for a longer period than three months, will be mustered for payment to include the 30th of June, 1861. Their officers are cautioned that the troops cannot be paid upon Muster-in rolls, and that'rolls, proper for this purpose, will be sent to them, which, when filled up, they will return to the Paymaster General in this city, that pay rolls may be made therefrom. II. .The existing regulations upon the subject of the appointment of Sutlers in the Army are hereby rescinded, and henceforth these appointments will bo made by the Secretary of War. By ord£R : L. THOMAS, Adjutant General. Official: Assistant Adjutant General.