eight o'clock
Fix had not altered , but Passe-partout was extremely reserved , and on the least suspicion would have strangled his former friend . In about an hour snow began to fall , but not sufficiently thick to hinder the progress of the train . Nothing could be seen from the windows but an immense white sheet , against which the steam of the engine looked gray . At eight o'clock the steward entered and said that bed-time had come . The backs of the seats were thrown down , bedsteads were pulled out , and berths improvised in a few moments . By this ingenious system each passenger was provided with a bed , and protected by curtains from prying eyes . The sheets were clean , the pillows soft .