GENERAL ORDERS, No. 249. AVAR DEPARTMENT, adjutant general’s office, Washington, August BO, 1864. Captain Ely S. Parker, Assistant Adjutant General, U. S. Vol- unteers, is announced as Private Secretary on the staff of Lieuten- ant-General Grant, with the rank of Lieutenant-Colonel, vice W. R. Rowi.ey, resigned. By order of the Secretary of War: E. 1). TOWNSEND, Assistant Adjutant General. Official : Assistant Adjutant General.