"Ready for lunch?" asked Anderson.

"Sorry, I can't go with you to-day," said Jack. "I've had a hurry call from the house to go up to Yonkers. Just dropped in to tell you not to wait."

"Oh, too bad!" said Anderson. "See you to-morrow?"

"Sure!"

23

While he descended in the elevator Jack thought quickly. His thoughts were not altogether pleasant ones. Evidently "Mr. B." or one of his agents had seen him watching in the Abercrombie and had taken warning. If this were so his disguise had been seen through. Jack did not so much mind the fact that his adversary had given him the slip again, but he had counted heavily on that disguise. And now the whole structure that he had built upon it was crumbling.

But he was far from being discouraged. "Mr. B." had had the nerve to choose the Madagascar. Very well, he would try to call his bluff there. Since it was his own hotel he didn't have to waste the time to get there. He could telephone ahead. He hastened to the nearest booth.

He got the desk at the Madagascar. Establishing the fact that the voice on the wire was that of Baldwin, a clerk well known to him, he said:

"This is Robinson speaking, Mr. Norman's secretary. Do you recognize my voice?"