magnitude of a battle, iue rebels made a dash on some Tennessee cavalry stationed atSpring1 Hill, some ten miles south of Franklin Pike.Our cavalry mad© « very rigorous resistance, but were compelled to retreat, leaving some of their men prisoners in the hands of the enemy. The enemy chnrgod after them, but were checked by a brigade of the 4 th Corps, which repulsed them after a very stubborn little fight. Two companies of newtroot.s, belonging to some Ohio regiment—Ithink the 157th—were guarding a squad ofrebel prisoners at Thompson’s Station, when they.were surrounded and all taken prisoners. They alsp made a dash on a locomotive and ears near Thompson’aStation, the engineer detached the enpne and drove on, thiuking to gel into our lines, hut as they have not since been heard from, it is thoughtthat they have got into the enemy's hands. The cars here ran in under shelter of the block-house at West Harpoth, and were saved. A squad swept across the Chattanooga line near Cheshire, some twelve miles from Murfreesboro, and tore up some thirty yards of the track.Captain Hill A. Coulter, Military Conductor, was telegraphed'to, and ran the train into Tullaboina until nest morning, when it proceeded to-Nashville, the track having beenAo I writ© this, (Tuesday. 7 o’clock,) the wildest reports arc in circulation.. M7*n rush in stating that thcycan plainly hear the tiring. It is also rumored that General Rousseau and his command are cut off. This I expect to be one of the many yarns afloat. Rousseau is not likely to let himself bo thus outman-' euvered.A circular has just been issued, by order of General Miller, commander of the post, ordering all persons not engaged in a legitimate business or employment, and not permanently domiciled here, to immediately proceed to Louisville, Kentucky, or some other place north of the line of this department, as they may select. Failing to do so, they will be