... General Sedgwick reported to General Meade, which report he received at 6 P. M., that he had come upon the enemy, who had made a stand in force, and that he had ascertained from prisoners taken that McLaws 's division was bringing up the rear of the rebel army with Alexander's artillery immediately in his (Mc-Laws's) front, and that they were going to the Gap, where they intended making a stand. On ...