That hour was not long in striking. We crouched closer in the shadow as we heard the outer door open and shut. Then came the sharp, metallic snap of a key, and the American was in the room. He closed the door softly behind him, took a sharp glance around him to see that all was safe, threw off his overcoat, and walked up to the central table with the brisk manner of one who knows exactly what he has to do and how to do it. He pushed the table to one side, tore up the square of carpet on which it rested, rolled it completely back, and then, drawing a jemmy from his inside pocket, he knelt down and worked vigorously upon the floor. Presently we heard the sound of sliding boards, and an instant later a square had opened in the planks. Killer Evans struck a match, lit a stump of candle, and vanished from our view.
Clearly our moment had come. Holmes touched my wrist as a signal, and together we stole across to the open trapdoor. Gently as we moved, however, the old floor must have creaked under our feet, for the head of our American, peering anxiously round, emerged suddenly from the open space. His face turned upon us with a glare of baffled rage, which gradually softened into a rather shamefaced grin as he realized that two pistols were pointed at his head.
"Well, well!" said he, coolly, as he scrambled to the surface. "I guess you have been one too many for me, Mr. Holmes. Saw through my game, I suppose, and played me for a sucker from the first. Well, sir, I hand it to you; you have me beat and—"