eleven o’clock
A strict sense of duty conducted Mrs. Presty next into the room , and even encouraged her to approach the bed on tip-toe . The bed was empty ; the clothes had not been disturbed since it had been made in the morning ! The old lady stepped out into the corridor in a state of excitement , which greatly improved her personal appearance . She looked almost young again as she mentally reviewed the list of vices and crimes which a governess might commit , who had retired before eleven o'clock , and was not in her bedroom at twelve . On further reflection , it appeared to be barely possible that Miss Westerfield might be preparing her pupil 's exercises for the next day . Mrs. Presty descended to the schoolroom on the first floor . No .