“I believe that it was undoubtedly so. I rather think, Inspector Martin, that we have now exhausted all that this room can teach us. If you will kindly step round with me, we shall see what fresh evidence the garden has to offer.”

A flowerbed extended up to the study window, and we all broke into an exclamation as we approached it. The flowers were trampled down, and the soft soil was imprinted all over with footmarks. Large, masculine feet they were, with peculiarly long, sharp toes. Holmes hunted about among the grass and leaves like a retriever after a wounded bird. Then, with a cry of satisfaction, he bent forward and picked up a little brazen cylinder.

“I thought so,” said he, “the revolver had an ejector, and here is the third cartridge. I really think, Inspector Martin, that our case is almost complete.”