Mr. Griggs was very obliging in regard to his old express wagon , and the next Saturday Point Pleasant was treated to a mild sensation -- nothing less than Miss Cordelia rattling through the village , enthroned on the high seat of Mr. Griggs 's yellow express wagon , drawn by old Nap who , after a week of browsing idleness in the four-acre field , was quite frisky and went at a decided amble down Elm Street and across the bridge .