came almost to the surface, since nothing is more detrimental to the speed of a horse than a plunge in cold water, and with the hoofbeats of the posse growing up behind they cantered off again a little cast of north, straight for Caswell City.
There was little work for Black Bart in such country as this, for there was rarely a rise of ground over which a man on horseback could not look, and the surface was race-track fast. Once Satan knew the direction there was nothing for it but to sit the saddle and let him work, and he fell into his long-distance gait. It was a smart pace for any ordinary animal to follow through half a day's journey, and Barry knew with perfect certainty that there was not the slightest chance of even the fresh horses behind him wearing down Satan before night; but to his astonishment the trailers rode as if they had limitless horseflesh at their command. Perhaps they were unaware of the running that was still in Satan, so Barry sent the stallion on at a free gallop that shunted the sagebrush past him in a dizzy whirl.
A mile of this, but when he looked back the posse were even closer. They were riding still with the spur! It was madness, but it was not his part to worry for them, and it was necessary that he maintain at least this interval, so he leaned a little forward to cut the wind more easily, and Satan leaped into a faster pace. He had several distinct advantages over the mounts of the posse. At their customary rolling lope they will
