four
o'clock
He shook his head , bethinking himself he must go back to his Cleo . `` Now I hope you wo n't make me miserable again , '' said Helen , as he rose to go , `` by leaving me in the dark about you . And mind you let me know at once if you have need of me to-morrow . A special messenger will be sure to find me , as I shall not be leaving the house till four o'clock . Keep a stout heart and let the light of hope vanquish the vapours and fogs . Above all , bear my prophecy in mind . '' When Morgan got back to their lodgings he had the sensation of entering the atmosphere of a charnel house .