boot with a broad metal heel, and beside it is the mark of the timber-toe.'
'It is the wooden-legged man.'
'Quite so. But there has been someone else—a very able and efficient ally. Could you scale that wall, doctor?'
I looked out of the open window. The moon still shone brightly on that angle of the house. We were a good sixty feet from the ground, and, look where I would, I could see no foothold, nor as much as a crevice in the brickwork.
'It is absolutely impossible,' I answered.
'Without aid it is so. But suppose you had a friend up here who lowered you this good stout rope which I see in the corner, securing one end of it to this great hook in the wall. Then, I think, if you were an active man, you might swarm up, wooden leg and all. You would depart, of course, in the same fashion, and your ally would draw up
