"There is only one point which I have not yet made clear to you, I believe—and that is how Logan Black's men were able to enter and leave the hold of your vessel so mysteriously. But I am shaping up my theory about that! I am shaping it up!"

"Would it be indescreet to inquire just what your theory is?" asked Cleggett.

And Lady Agatha murmured:

"For my part, I can make nothing of it, and I should be glad to hear your theory."

"It would," said Wilton Barnstable, soberly, "it would be premature, if I told you my theory at the present moment. You must pardon me—but it WOULD. In my line of business—and I insist, Mr. Cleggett, that I am a plain business man, nothing more—I find it absolutely necessary not to communicate all my information to the layman until the case is quite perfect in all its points. But do not get the notion, Mr. Cleggett, that I underestimate the part that you have taken in the case of Logan Black. You have helped me, Mr. Cleggett. When I have my secretary prepare the case of Logan Black for magazine and newspaper publication I shall have your name mentioned as that of a person who has helped me. Yes, you have helped me."

As he spoke he picked from a reading table a magazine, on the cover of which appeared his own portrait—or rather, the portrait of the popular conception of Wilton Barnstable—and began to make motions about it with his finger. He appeared to be marking off the space beside the portrait into an arrangement of letters and spaces. His lips moved as he did so; he murmured: "The Case of Logan Black—the Case of Logan Black!" He seemed to see, with the eye of a typographical expert, the legend printed there. Barton Ward and Watson Bard, slightly flushed and a little excited in spite of themselves, seemed also to see it there.

It might have occurred to a person more critical than Cleggett that it was he himself who had furnished nearly all the real evidence upon which Wilton Barnstable was constructing this Case of Logan Black. But Cleggett looked for the gold in men, not the dross; the great qualities of Wilton Barnstable appealed to his imagination; the best in Cleggett responded to the best in Wilton Barnstable; if the detective possessed a certain amount of vanity, Cleggett preferred to overlook it.

"Decidedly," said Wilton Barnstable, laying down the magazine, and looking at Cleggett kindly and serenely, "I shall see to it that your name is mentioned in connection with the Case of Logan Black." And Barton Ward and Watson Bard also bent upon him their bland and friendly regard.

Cleggett was about to thank them, but at that moment there was a commotion of some sort on deck.

Two female voices, one of which they all recognized as that of Miss Genevieve Pringle, were mingling in a babble of greeting, expostulation, interjection, and explanation, and presently Miss Pringle entered the cabin, followed by a younger lady who, except for her youth, looked much like her.