By a sort of tacit understanding Thorndyke and I parted in the vicinity of South Kensington Station, to which he had made a bee line on leaving the square. As he had made no suggestion that I should go back with him, I inferred that he had planned a busy evening examining and testing the odds and ends that he had picked up in the empty house; while I had suddenly conceived the idea that I might as well take the opportunity of calling on Madeline, who might feel neglected if I failed to put in an appearance within a reasonable time after my return to town. Our researches had taken up most of the afternoon and it was getting on for the hour at which Madeline usually left the school; and as the latter was less than half-an-hour’s walk from the station, I could reach it in good time without hu
