He telegraphed with a wink to his chum, who was seated with his back to the windows. Billy took the tip, and managed to get an overshoulder look on his own account.

The interest of the boys as to affairs inside instantly began to flag. True, they were under powerful protection for the time being, but there was a later time coming.

The Cossack must have struck the lost chord in his memory. There had since the encounter in the Galician farmhouse been a life added to the claim of the red rider—the duelist that Schneider had forced over the cliff.

Henri had a game to play—playing for time. Appeal to their host, for various reasons, did not impress the boy as a desirable proceeding.

"There is no need of our going back to Admiralty Place right away, is there, Salisky? We don't sail until morning and we haven't even seen the paintings here."

"The paintings"—here was a master stroke. The duke was touched at a point nearest his heart.

"You must have at least a passing look," he insisted.

Salisky uneasily shook his head. "We have orders to be within call from and after six o'clock, and, sir, it is already very near that hour."

"Now, I will tell you what to do, Salisky; you and your comrade here take my car, report yourselves, and if it then be necessary for my young friends to join you, return here for them. It is only the matter of a very few minutes, either way."

Protesting under his breath, Salisky and his companion heard the summons for the duke's automobile, and were whirled away in that swift conveyance.