... enemy's design, and seen the necessity of making a rapid division of his own forces to confront him on two different fields. On the 29th of April, Gen. Lee drew back his army in the direction of Chancellorsville , leaving Early's division to guard Marye's Heights at Fredericksburg. At Chancellorsville he learned from Gen. Anderson, who, with two brigades-Posey's and Mahone's-had been guarding the upper ford...