six o'clock
`` Yes , sir ; but I gratefully accept a letter to Professor V -- . '' `` Very well ; it shall be in readiness when you wish it . Have you fixed any time for your departure ? '' `` This is Friday , -- and I shall go on the six o'clock train , Monday morning . '' `` Is there any service that I can render you in the interim ? '' `` No , thank you . '' `` As you have no likeness of the children , would it be agreeable to you to have their photographs taken to-day , -- and , at the same time , a picture of yourself to be left with them ?