ten o'clock
No one knew where he was . He had said that he should not dine at home . That was all . If he returned before half-past ten o'clock d'Este should be informed . Guido dined alone and waited , but no message came during the evening . At half-past ten he wrote a few words on a correspondence card , told his man to send the note to Lamberti early in the morning , and went to bed , convinced that everything would explain itself satisfactorily before long . As soon as he was positively sure that Lamberti and Cecilia could not possibly have known each other more than a fortnight , his natural indolence returned .