...on the east side of the ridge with Stuart on his front and left flank; and Hill passed behind Longstreet into the Valley, and northward following Ewell, and then was followed by Longstreet's corps. General Lee instructed General Stuart to keep on General Longstreet's right, or at his discretion to move on the rear of Hooker to and across the Potomac, and as soon as possible come in touch with the right of ...