Mr. Brock left the inn thoroughly puzzled. Before returning to Mrs. Armadale he sent for her son. The chances were that the guard had been off the stranger’s tongue when he spoke to Allan, and with Allan’s frankness there was no fear of his concealing anything that had passed between them from the rector’s knowledge. Here again Mr. Brock’s diplomacy achieved no useful results. Once started on the subject of Ozias Midwinter, Allan rattled on about his new friend in his usual easy, light-hearted way. But he had really nothing of importance to tell, for nothing of importance had been revealed to him. They had talked about boat-building and sailing by the hour together, and Allan had got some valuable hints. They had discussed (with diagrams to assist them, and with more valuable hints for A