"Rather chancy course to take in this business, what?"
"I don't know. … That Yankee invention known as the 'frame-up' would easily make America too small for the Lone Wolf without the British Secret Service ever being mentioned in the matter."
"Yes; but suppose the beast knows the contents of this paper, suspects the authorship of the 'frame-up'—as he instinctively would—and blabs? Messages have been unsealed and copied and resealed before this."
"That one consideration ties my hands. … Here, my boy: take this and put it in the safe—and don't forget Mrs. Arden's things, of course. Good-night."
"Trust me, sir. Good-night."
A door closed with a slight jar, and for half a minute the room was so positively quiet that Lanyard was beginning to wonder if Blensop himself had gone out with his employer, when he heard a low and musical chuckle, followed by a soft clashing as the secretary scooped Mrs. Arden's jewellery out of the desk drawer.
Itching with curiosity, Lanyard turned with infinite care and peered round the wing of the chair, thus gaining a view of the wall farthest from the street.
Blensop remaining invisible, Lanyard's interest centred immediately upon the safe the ingenuity of whose concealment had excited "Karl's" favourable comment, and with much excuse.
One of the portraits—that upon whose merits Blensop had descanted to "Karl" earlier in the night—was, Lanyard saw, so mounted upon a solid panel of wood that, by means of hidden mechanism, it could be
