adjacent cheeks. He wore spectacles, too, through which he took a quick glance at me now and again, returning immediately to his document.
After some moments of rather embarrassing silence, I ventured to remark that it was a mild evening; to which he assented with a sort of Scotch "Hm—hm" and nodded slowly. Then came another interval of silence, during which I speculated on the possibility of his being a relative of Mr. Weiss and wondered what the deuce he was doing in our chambers.
"Have you an appointment with Dr. Thorndyke?" I asked, at length.
He bowed solemnly, and by way of reply—in the affirmative, as I assumed—emitted another "hm—hm."
I looked at him sharply, a little nettled by his lack of manners; whereupon he opened out the lease so that it screened his face, and as I glanced at the back of the document, I was astonished to observe that it was shaking rapidly.
The fellow was actually laughing! What he found in my simple question to cause him so much amusement I was totally unable to imagine. But there it was. The tremulous movements of the document left me in no possible doubt that he was for some reason convulsed with laughter.
It was extremely mysterious. Also, it was rather embarrassing. I took out my pocket file and began to look over my notes. Then the document was lowered and I was able to get another look at the stranger's face. He was really extra-
