The little city of Devondale, Ohio, had shaken off for one night at least the air of aristocratic calm that normally distinguished it from the busy mill towns on its right and left. Elm Avenue, its leading residence street, usually presented at this hour only an effect of watchful trees, dark shrubbery, shaded lamps, and remote domestic peace. Now, however, it had blossomed into a brilliant thoroughfare, full of light, color, and movement, on all...