...ng of rebel guerrillas.--Leavenworth Conservative. The schooner Joe Flanner was captured while trying to run the blockade of Mobile, Ala., by the gunboat Pembina.--Major-Generals A. P. Hill and R. S. Ewell , of the rebel army, were appointed Lieutenant-Generals.--General Curtis relinquished the command of the Department of the West of the army of the United States, and General Schofield assumed it, and ...