ON a raw and snowy evening toward the latter part of January, 1817, a gentleman, walking along the Strand, turned into the street in which Doctor Lagarde lived, and knocked at the physician’s door.

He was admitted by an elderly male servant to a waiting-room on the first floor. The light of one little lamp, placed on a bracket fixed to the wall, was so obscured by a dark green shade as to make it difficult, if not impossible, for visitors meeting by accident to recognize each other. The metal money-box fixed to the table was just visible. In the flickering light of a small fire, the stranger perceived the figures of three men seated, apart and silent, who were the only occupants of the room beside himself.

So far as objects were to be seen, there was nothing to attract attention in the waiting-room. The furniture was plain and neat, and nothing more. The elderly servant handed a card, with a number inscribed on it, to the new visitor, said in a whisper, “Your number will be called, sir, in your turn,” and disappeared. For some minutes nothing disturbed the deep silence but the faint ticking of a clock. After a while a bell rang from an inner room, a door opened, and a gentleman appeared, whose interview with Doctor Lagarde had terminated. His opinion of the sitting was openly expressed in one emphatic word—“Humbug!” No contribution dropped from his hand as he passed the money-box on his way out.

The next number (being Number Fifteen) was called by the elderly servant, and the first incident occurred in the strange series of events destined to happen in the Doctor’s house that night.

One after another the three men who had been waiting rose, examined their cards under the light of the lamp, and sat down again surprised and disappointed.

The servant advanced to investigate the matter. The numbers possessed by the three visitors, instead of being Fifteen, Sixteen and Seventeen, proved to be Sixteen, Seventeen and Eighteen. Turning to the stranger who had arrived the last, the servant said:

“Have I made a mistake, sir? Have I given you Number Fifteen instead of Number Eighteen?”

The gentleman produced his numbered card.

A mistake had certainly been made, but not the mistake that the servant supposed. The card held by the latest visitor turned out to be the card previously held by the dissatisfied stranger who had just left the room—Number Fourteen! As to the card numbered Fifteen, it was only discovered the next morning lying in a corner, dropped on the floor!

Acting on his first impulse, the servant hurried out, calling to the original holder of Fourteen to come back and bear his testimony to that fact. The street-door had been opened for him by the landlady of the house. She was a pretty woman—and the gentleman had fortunately lingered to talk to her. He was induced............