would jump if it were suddenly grabbed. Then he mentally cursed himself, for his independent imagination threatened to make him laugh. He could feel the tickle of mirth slyly pervading him and he bit his lip with an earnestness which cut short the mirth. The hand stopped and the heel of it went down tightly against the earth as though bearing a gradual strain. Johnny was reassured again, for Trask never would be stalking Kane if he had the slightest suspicion that enemies, or strangers, were in the valley, and he hazarded another glance at Kane.
The mechanical walker was drawing near the rock again and in a few steps more would turn his back to it and start away. By this time Johnny had solved the riddle, for although such a thing was beyond any experience of his, his wild guess began to be accepted by him: Kane was walking in his sleep. Where was Hopalong? He hoped his friend would not try to capture the boss until he, himself, had taken care of Trask. This must be his first duty, and knowing what Trask would do very shortly he prepared to do it.
He got into position to act, moving only when the slight sound of Kane's footfalls would cover the barely audible noise of his own movements. Kane's rounding course brought him nearer and then several things happened at once. The owner of the hand leaped from behind the rock and as his head popped out into sight a Colt struck it, and then Johnny started for Kane; but as he reached his feet something hurtled out of the shadows to his right and bore the boss to the ground. Then came the sound of another gun-butt meeting another head and the swiftly moving figure seemed to rebound from the boss and sail
