nine o'clock until eleven
`` But it is but for two hours , '' thought Flora , `` and two hours will soon pass away . '' There was , too , another feeling which gave her some degree of confidence , although it arose from a bad source , inasmuch as it was one which showed powerfully how much her mind was dwelling on the particulars of the horrible belief in the class of supernatural beings , one of whom she believed had visited her . That consideration was this . The two hours of absence from the hall of its male inhabitants , would be from nine o'clock until eleven , and those were not the two hours during which she felt that she would be most timid on account of the vampyre . `` It was after midnight before , '' she thought , `` when it came , and perhaps it may not be able to come earlier . It may not have the power , until that time , to make its hideous visits , and , therefore , I will believe myself safe . '' She had made up her mind not to go to bed until the return of her brothers , and she and her mother sat in a small room that was used as a breakfast-room , and which had a latticed window that opened on to the lawn .