“’In order to reach the billiard-room I had to descend a flight of stairs and then to cross the head of a passage which led to the library and the gun-room. You can imagine my surprise when, as I looked down this corridor, I saw a glimmer of light coming from the open door of the library. I had myself extinguished the lamp and closed the door before coming to bed. Naturally my first thought was of burglars. The corridors at Hurlstone have their walls largely decorated with trophies of old weapons. From one of these I picked a battle-axe, and then, leaving my candle behind me, I crept on tiptoe down the passage and peeped in at the open door. “’Brunton, the butler, was in the library. He was sitting, fully dressed, in an easy-chair, with a slip of paper which looked like a map upon his kne