With the inevitable pinto or calico horse in his string the horse-trader drifted toward the distant town of Concho, accompanied by a lazy cloud of dust, a slat-ribbed dog, and a knock-kneed foal that insisted on getting in the way of the wagon team. Strung out behind this indolently moving aggregation of desert adventurers plodded an indifferent lot of cayuses, their heads lowered and their eyes filled with dust.