punishment.' Alarmed at these threats, the bewildered merchant rushed to the door; and there again no person was to be seen. He now locked his door and went home; but the voices, as he thought, followed him through the crowd, and he arrived at his house in a most unenviable state of mind. Inclined to ascribe the voices to derangement in mind, he sent for a medical attendant, and told his case, and a certain kind of treatment was prescribed. This, however, failed; the voices menacing him with punishment for purely imaginary crimes continued, and he was reduced to the brink of despair. At length a friend prescribed entire relaxation from business, and a daily game of cricket, which, to his great relief, proved an effectual remedy. The exercise banished the phantom voices, and they were no more heard."
"So you think that I am in need of out-door exercise?"
"Exactly."
"And that my experience was illusory, the result of vertigo, or some temporary calenture of the brain?"
"To be plain with you, yes."
"But I asked you a while ago if specters or phantoms ever leave tangible evidence of their presence." The Professor's eyes dilated in interrogation. I continued: "Well, this one did. After I had followed him out, I found on the table a long, white hair, which I still have," and producing the little coil from my pocket-book, I handed it to him. He examined it curiously, eyed me furtively, and handed it back with the cautious remark:
"I think you had better commence your exercise at once."
