It was evidently taken by a snapshot from a small camera. It represented an alert, sharp-featured simian man, with thick eyebrows and a very peculiar projection of the lower part of the face, like the muzzle of a baboon. “And what became of the bust?” asked Holmes, after a careful study of this picture. “We had news of it just before you came. It has been found in the front garden of an empty house in Campden House Road. It was broken into fragments. I am going round now to see it. Will you come?” “Certainly. I must just take one look round.” He examined the carpet and the window. “The fellow had either very long legs or was a most active man,” said he. “With an area beneath, it was no mean feat to reach that window ledge and open that window. Getting back was comparatively simple. Are