“If you bundle your neck up well, and the weather is no more severe than to-day, you can go out to-morrow.”

The doctor took his leave, but not before the detective exacted a promise from him not to say anything about this fresh attempt upon his life.

When the door closed upon the physician, the detective stretched his hand to his visitor.

“Oh, how can I thank you?” he said, as Mignon placed her small, soft hand in his. “Had you not come I would have drunk the poison, and now I would be a corpse. You have, indeed, saved my life. But how was it that you recognized the stuff?”

“At Vassar College I took the full medical course,” she replied, “and besides, that is a poison easily recognizable.”

“Won’t you be seated?” Nick said, “and tell me what I can do for you. First of all, tell me how you knew I was here.”

“The story of your stabbing is in the morning papers.”

“Those reporters seem to get hold of everything.”

“I was very glad to learn where I could find you,” said Mignon, smiling sweetly, “because I wished to thank you.”

“Thank me,” ejaculated the detective; “for what?”