7:30
`` Let me see that card again , '' he said , as he gave his tie those little finishing touches that converted it from an elegant accessory into a work of art . The valet went to his sitting-room and returned with a calling card on a tray . Colonel Munro studied it a trifle lugubriously . `` James Heriot Walkingshaw , '' he read , with this addendum in pencil , `` Shall call for you 7:30 . Count on your company at dinner . '' The Colonel buttoned his white waistcoat . `` Did n't you tell Mr. Walkingshaw that I would probably be engaged ? ''