midnight
He raised her fingers to his lips . Then the arrival of the carriage was announced , and when the door had closed again , they held each other for a moment in passionate embrace . `` Good-bye for a night and a day at longest , '' he whispered by the carriage door . `` I shall come before midnight to-morrow . '' She tried to say good-bye , but could not utter a sound . The wheels grated , and she was driven rapidly away . Arthur James Northway reached London in a mood of imperfect satisfaction .