...ck. The last time they came up they met him, and falling in with him protected his rear on his way down the Peninsula.--Col. Bradley Johnson, with his gallant body of men, who had been hammering at Kilpatrick 's column, then found Dahlgren in his own rear wills a largely superior force, and turned upon him. Had he had a larger force he would have captured them, as they were much dispirited. When they fou...