The Count may have many houses which he has bought. Of them he will have deeds of purchase, keys and other things. He will have paper that he write on. He will have his book of cheques. There are many belongings that he must have somewhere. Why not in this place so central, so quiet, where he come and go by the front or the back at all hours, when in the very vast of the traffic there is none to notice. We shall go there and search that house. And when we learn what it holds, then we do what our friend Arthur call, in his phrases of hunt `stop the earths' and so we run down our old fox, so? Is it not?”

“Then let us come at once,” I cried, “we are wasting the precious, precious time!”

The Professor did not move, but simply said, “And how are we to get into that house in Piccadilly?”