midnight
was her quick reply , and she began to saunter in slowly . But I knew she left her thoughts out there with that mysterious grave . * * * * * Another midnight adventure ! Late as it is , I must put it down , for I can not sleep , and to-morrow will bring its own story . I had gone to bed , but not to sleep . The anxieties under which I now labor , the sense of mystery which pervades the whole house , and the secret but ever-present apprehension of some impending catastrophe , which has followed me ever since these women came into the house , lay heavily on my mind , and prevented all rest .