It was, of course, both possible and probable that "Karl," himself a guest of the hotel, had crossed directly to the elevators and been whisked aloft to his room.

With this in mind, Lanyard paused at the desk, asked permission to examine the register and, being accommodated, was somewhat consoled; if his chase had failed of its immediate objective, it now proved not altogether fruitless. A majority of the Assyrian survivors seemed to have elected to stop at the Knickerbocker. One after another Lanyard, scanning the entries, found these names:

Edmund O'Reilly—Detroit
Arturo Velasco—Buenos Aires
Bartlett Putnam—Philadelphia
Cecelia Brooke—London
Emil Dressier—Genève

Half inclined to commit the imprudence of sending a name up to Miss Brooke—any name but André Duchemin, Michael Lanyard, or Anthony Ember—together with a message artfully worded to fix her interest without giving comfort to the enemy, should it chance to go astray, the adventurer hesitated by the desk; and of a sudden was satisfied that such a move would be not only injudicious but waste of time; for, now that he paused to think of it, he surmised that the young woman—"young and good-looking", on Walker's word—who had called to see Colonel Stanistreet was none other than this same Cecelia Brooke.

What more natural than that she should make early occasion to consult the head of the British Secret Service in America?

A pity he had not waited there in the window! If he had, no doubt the mystery with which the girl had surrounded herself would be no more mystery to Lanyard; he would have learned the secret of that paper cylinder as well as the part the girl had played in the intrigue for its possession, and so be the better advised as to his own future conduct.

But in his insensate passion for revenge upon one who had all but murdered him, he had forgotten all else but the moment's specious opportunity.

With a grunt of impatience Lanyard turned away from the desk, and came face to face with Crane.

The Secret Service man was coming from the direction of the bar in company with Velasco, O'Reilly, and Dressier.

Of the three last named but one looked Lanyard's way, O'Reilly, and his gaze, resting transiently on the countenance of André Duchemin minus the Duchemin beard, passed on without perceptible glimmer of recognition.