...urning in.the afternoon, I proceeded to the scene of conflict on the turnpike, and found that General Fitz. Lee had, with his own and Chambliss' brigade, driven the enemy steadily to within a mile of Shepherdstown , Jenkins' brigade not having yet appeared on the left. It, however, soon after arrived in Fitz. Lee's rear, and moved up to his support. The ground was not practicable for cavalry, and the main b...