...er dispatch, dated Vicksburg, May 11, says: "Nothing of importance to- day. A barge, laden with coal, ran past the batteries last night. The enemy's fleet above the city is increasing." From Tennessee .--Louisville, May 15.--Col. Jacob, in Sunday's fight with the rebels Clarke and Chenault, at Horseshoe Bottom Narrows, on the Cumberland, lost forty-two men, including three officers. Chenault and ...