Adjutant and Inspector General’s Office. GENERAL ORDERS, ? No. 73. 5 Richmond, October 1, 1862. I. The State of Mississippi, and that part of Louisiana east of the Mississippi river, is constituted a separate Military Department, the com- mand of which is assigned to Major General John G. Pemberton. 11. Generals commanding will authorize their Medical Purveyors to impress all Medical Supplies held by speculators, paying them the cost price for the articles. The Generals will give the Purveyors the neces- sary aid to carry this order into effect. By order. Adjutant and Inspector General. S. COOPER',