...on, La., were attacked by the Union fleet, under Admiral Farragut; but, after a terrible bombardment of several hours' duration, they were compelled to retire without reducing the rebel stronghold.--( Doc . 138.) A force of National cavalry, under the command of Colonel Robert H. G. Minty, returned to Murfreesboro, Tenn., after a successful reconnoissance, of eleven days duration, into the surrou...