"There it is right now, Ned, and let me tell you I'm glad myself that this hard work is nearly over with. Whew! did you ever see a prettier picture than this is, with the whole country spread out like a big map?" "And that's where we aim to spend some little time, is it, boys?" asked a third one of the four boys who, leading a loaded pack burro apiece, had been climbing a range of rocky mountains away down in a corner of Nevada not a great distance from the Arizona border. "Yes, that's going to be our stamping ground, Jack, for some little time to come. My uncle Job Haines has his ranch away over there somewhere or other, in the hazy distance. His partner, another uncle of mine, James Henshaw, is with him in the business--you know my mother was married twice, and this last gentleman is the brother of her first husband, which is how I come to have so many uncles. What d'ye say to resting up a bit here before we start down the grade, Ned?" The way three of them turned toward the other young fellow was evidence enough in itself to show that he must be the leader of the little company, which was in fact the truth. All of the mountain climbers were wearing rather faded but serviceable khaki suits, which with the leggins and campaign hats proved that they must belong to some troop of Boy Scouts. But it was many days' journey from their present surroundings to the scene of their home activities, for they belonged in New York City. Those of our young readers who have had the pleasure and privilege of possessing one or more of the previous volumes connected with this series of stories will readily recognize the four lads as old and valued acquaintances. For the sake of the few who may not have enjoyed meeting the lively quartette before, a few sentences of introduction may be necessary before going on further. And while they are resting both themselves and their pack animals, at the same time drinking in the magnificent scenery that was spread out before them, looking toward the southeast, it would seem to be a fitting opportunity for this service. The leader of the little party was Ned Nestor, who also served as assistant scout master of the troop, having duly qualified for the office according to the rules of the organization. He was a good hunter and tracker, and possessed a wide knowledge of woodcraft in its best sense. Some time previous to this Ned had been given various chances to work for the Secret Service of the Government at Washington, and had conducted himself in such a manner as to win the confidence of the authorities. They realized that there were many opportunities when a bright lad might accomplish things unsuspected where a man would be apt to slip up. And judging from the success which had on most occasions followed Ned's taking up a case, it appeared as though this might have been a wise move.