...rsons, as a reserve, but no occasion occurred to call them into action. They were, however, at all times, vigilant and ready to rush upon the enemy. Shortly after entering the city on the 18th, Col. Rives , who commanded the Fourth division in the absence of Gen. Slack, led his regiment and Col. Hughes's along the river bank. to a point immediately beneath, and west of the fortifications; Gen. McBrid...