will understand how hard it is to throw dust in the eyes of Inspector Lestrade.”
“And you don’t want your name to appear?”
“Not at all. The work is its own reward. Perhaps I shall get the credit also at some distant day, when I permit my zealous historian to lay out his foolscap once more—eh, Watson? Well, now, let us see where this rat has been lurking.”
A lath-and-plaster partition had been run across the passage six feet from the end, with a door cunningly concealed in it. It was lit within by slits under the eaves. A few articles of furniture and a supply of food and water were within, together with a number of books and papers.
“There’s the advantage of being a builder,” said Holmes, as we came out. “He was able to fix up his own little hiding-place without any confederate—save, of course, that precious housekeeper of his, whom I should lose no time in adding to your bag, Lestrade.”
“I’ll take your advice. But how did you know of this place, Mr. Holmes?”
“I made up my mind that the fellow was in hiding in the house. When I paced one corridor and found it six feet shorter than the corresponding one below, it was pretty clear where he was. I thought he had not the nerve to lie quiet before an alarm of fire We could, of course, have gone in and taken him, but it amused me to make him reveal himself, besides, I owed you a little mystification, Lestrade, for your chaff in the morning.”
“Well, sir, you certainly got equal with me on that. But how in the world did you know that he was in the house at all?”
“The thumb-mark, Lestrade. You said it was final; and so it was, in a very different sense. I knew it had not been there
