Army Promotions.
Capt. C. G. Coleman, Jr., of the Frederickshall Greys, 23d Regiment Virginia Volunteers, (encamped near Winchester,) has been promoted to the rank of Major, and Mr. Francis Coleman, of Louisa, has been elected Captain to fill the vacancy thus created.Captain W. B. Ball, of the Chesterfield Troop, has been promoted to the rank of Lieutenant-Colonel of Cavalry, and ordered to report to Gen. Magruder, at Yorktown Captain Robert Douthat, of the Charles City Troop, has been promoted to the post of Major of Cavalry, with similar orders.