<p>Harry heard them distinctly and he and his comrade lay more closely than ever in the bushes, because the horsemen, a numerous body, as the heavy tread indicated, were passing very near. The two lads presently saw them riding four abreast toward the campfire, and Harry surmised that they had been scouting in strong force toward the Southern front. They were large men, deep with tan and riding easily. Harry judged their number at two hundred, an...