his head from his paws and stared at the door with those glowing eyes which see in the dark.
Now another sound came, still soft, regular. There was a movement of the door. In the pitch dark a man could never have noticed it, but it was plainly visible to the wolf. Still more visible, when the door finally stood wide, was the form of the man who stood in the opening. In one hand he carried a lantern thoroughly hooded, but not so well wrapped that it kept back a single ray which flashed on a revolver. The intruder made a step forward, a step as light as the fall of feathers, but it was not half so stealthy as the movement of Black Bart as he slunk towards the door. He had been warned to watch that door, but it did not need a warning to tell him that a danger was approaching the sleeping master. In the crouched form of the man, in the cautious step, he recognized the unmistakable stalking of one who hunts. Another soft step the man made forward.
Then, with appalling suddenness, a blacker shadow shot up from the deep night of the floor, and white teeth gleamed before the stranger's face. He threw up his hand to save his throat. The teeth sank into his arm—a driving weight hurled him against the wall and then to the floor—the revolver and the lantern dropped clattering, and
