...ntrate his forces before entering Pennsylvania, and to hold them always ready for battle. Ewell's three divisions, therefore, remained between Williamsport and Winchester until the 19th, the day of Longstreet 's arrival within reach of the latter city. Imboden, at the west, had made a movement on the 16th similar to that of Jenkins, and, occupying Cumberland on the 17th, had cut off General Kelley's comm...