eleven o'clock night before
`` I can not say , sir . I did not see him until luncheon . '' `` When did you last see Mr. Mainwaring ? '' `` A little after eleven o'clock night before last , -- Wednesday night , sir . I was in the hall as he passed upstairs to his rooms , and I heard him ask Mr. Scott to come to his library . '' `` Did there seem to be any coldness or unpleasantness between them ? '' `` No , sir ; they both appeared the same as usual . ''