V Wild Jo never lacked energy. He meant to catch that Mustang, and when he learned that others were bestirring themselves for the same purpose he at once set about trying the best untried plan he knew--the plan by which the coyote catches the fleeter jackrabbit, and the mounted Indian the far swifter antelope--the old plan of the relay chase. The Canadian River on the south, its affluent, the Pinavetitos Arroyo, on the northeast, and the Don Carlos Hills with the Ute Creek Canyon on the west, formed a sixty-mile triangle that was the range of the Pacer. It was believed that he never went outside this, and at all times Antelope Springs was his headquarters. Jo knew this country well, all the water-holes and canon crossings as well as the ways of the Pacer. If he could have gotten fifty

