three o'clock
`` I think you may depend on me now with regard to any topic . I can even discuss Mr. Caswall . Indeed , I may meet him to-morrow . He is going , as I said , to call at Mercy Farm at three o'clock -- but I have an appointment at two . '' `` I notice , '' said Mr. Salton , `` that you do not lose any time . '' The two old men once more looked at each other steadily . Then , lest the mood of his listener should change with delay , Sir Nathaniel began at once : `` I do n't propose to tell you all the legends of Mercia , or even to make a selection of them .