half past eight
`` Some one may hear us here ... '' At eight o'clock Mary had gone to Helen 's . `` If I 'm not back at ten , I sha 'n' t be home tonight , '' she had told Hutchins as she left the house . At half past eight Archey called , full of the topic which had been started that afternoon . Hutchins told him what Mary had said . `` All right , '' he said . `` I 'll wait . ''