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.