...mmelfennig and Hampton's rebel cavalry.--Governor Letcher, of Virginia, in response to a requisition of Jefferson Davis, issued a proclamation calling out the militia of the counties bordering on the North-Carolina line, to aid in repelling any attempt at invasion by the National forces.--Orison Glines was riden on a rail at Stoneham, Mass., for having deserted from the National army. The United Stat...