...ons toward Sharpsburg, under favor of the darkness, and arrived at that position on the 15th, while their enemies pursued sluggishly, bravely resisted by the cavalry of FitzHugh Lee. In the combat of Boonsborough Gap, McClellan, with that usual exaggeration of the numbers of his enemy to which his timid temperament inclined him, placed the force of D. H. Hill at fifteen thousand, and that of Longstreet at as ...