Nick Carter assured himself that she was really in a natural sleep, and then quietly withdrew, to wait till Chick and reënforcements should arrive.

It was an hour later, and the sun was just showing itself over the rim of the eastern horizon, when Chick, with eight men—guests, porters, and the two proprietors of the hotel—rowed up to the sea ladder of the Idaline.

It was embarrassing to Nick Carter to receive so many and such profuse thanks for recovering the three guests who had disappeared from the hotel, and he begged both Mallory and Savage to let it pass.

Nick Carter arranged to leave a guard on the yacht, when Mrs. van Dietrich was to be escorted to shore by the detective, Lord Vinton, and Harvey L. Drago, with Chick, in state.

It was only after considerable delay that this was done, however, for Mrs. van Dietrich was a leader of fashion, and she could not appear in public until her own maid, Mary Cook, had been brought from the hotel, with a complete change of raiment and various toilet necessaries.

All this took so much time, that it was well into the forenoon when the dear lady at last appeared in the lobby of the Hotel Amsterdam, to receive the congratulations by all the other guests on her wonderful rescue by “this dear Colonel Pearson.�

The stolen jewelry had all been recovered.

At last Nick Carter got away from the lobby and into the elevator, telling the man to take him to the fourth floor. Once there, he hurried to the rooms occupied by the Baroness Latour.

He was surprised to see all the doors of the suite wide open, and one of the hotel housemaids busy with broom, dust pan, and other paraphernalia of her business.

“Where is the baroness?� demanded Carter hastily.