For the next two years I saw less and less of Derby. A fortnight would sometimes slip by without the familiar three-and-two strokes at the front door; and when he did call—or when, as happened with increasing infrequency, I called on him—he was very little disposed to converse on vital topics. He had become secretive about those occult studies which he used to describe and discuss so minutely, and preferred not to talk of his wife. She had aged tremendously since her marriage, till now—oddly enough—she seemed the elder of the two. Her face held the most concen-tratedly determined expression I had ever seen, and her whole aspect seemed to gain a vague, unplaceable repulsiveness. My wife and son noticed it as much as I, and we all ceased gradually to call on her—for which, Edward admitted in one of his boyishly tactless moments, she was unmitigatedly grateful. Occasionally the Derbys would go on long trips—ostensibly to Europe, though Edward sometimes hinted at obscurer destinations. It was after the first year that people began talking about the change in Edward Derby. It was very casual talk, for the change was purely psychological; but it brought up some interesting points.