one o'clock a.m.
Speaking thus , she set her face at its rigidest and sourest , and stared past Warburton at the wall . He , unable to repress a smile , declared his perfect readiness to accept this condition of tenancy . `` Another thing , '' pursued the landlady , `` is that I do n't like late hours . '' And she eyed him as one might a person caught in flagrant crapulence at one o'clock a.m. `` Why , neither do I , '' Will replied . `` But for all that , I may be obliged to come home late now and then . '' `` From the theatre , I suppose ? '' `` I very seldom go to the theatre . ''