horror could stay me, but that I must follow my brother and save him, even though all hell rose up against me. I ran out and looked up the pavement, and saw the two figures walking amidst the crowd. I ran across the road, and saw them turn up that side street, and I reached the corner a moment later. In vain I looked to right and left, for neither my brother nor his strange guardian was in sight; two elderly men were coming down arm-in-arm, and a telegraph boy was walking lustily along whistling. I remained there a moment horror-struck, and then I bowed my head and returned to this seat, where you found me. Now, sir, do you wonder at my grief? Oh, tell me what has happened to my brother, or I feel I shall go mad."
Mr. Phillipps, who had listened with exemplary patience to this tale, hesitated a moment before he spoke.
"My dear madam," he said at length, "you have known how to engage me in your service, not only as a man, but as a student of science. As a fellow-creature I pity you most profoundly; you must have suffered extremely from what you saw, or rather from what you fancied you saw. For, as a scientific observer, it is my duty to tell you the plain truth, which, indeed, besides being true, must also console you. Allow me to ask you then to describe your brother."
"Certainly," said the lady, eagerly; "I can describe him accurately. My brother is a somewhat young-looking man; he is pale, has small black whiskers, and wears spectacles. He has rather a timid, almost a frightened expression, and
