The Army of the Ohio, after crowding into the space of six weeks more hard marching and fighting than fell to the lot of any other army in the United States during the summer of 1862, was, on the last of October, encamped in the vicinity of Bowling Green, Kentucky. General Bragg and Kirby Smith, turning Buell’s left flank, had invaded Kentucky, gained the rear of Buell, threatened his base at Louisville, and but for the vis inertia which always seemed to seize upon the Confederates when in sight