...re engaged in the business and are making handsome fees. An affair of honor was to come off at Arlington House to-day, but was frustrated by the vigilance of the police. It appears that Capt. C. F. Mackenzie , of her Britannic Majesty's royal army, while at table at Willard's a few nights ago, asserted the superiority of English over American arms. Capt. Whittemore, of the U. S. volunteers, who was pres...