The boys set up a shout that was quickly checked by Tad.
"If the burro can find the way what do you think an Indian could do, fellows?"
"That's right," agreed Professor Zepplin. "We had better keep quiet—"
"And hit the trail as fast as possible," added Tad. "Daylight must find us a long ways from here."
"And ride all night—is that what you mean?" complained Stacy.
"Yes; it'll give you an appetite for breakfast."
"I've got one already."
"That goes without saying," agreed Ned.
"Come, come, Juan!" urged Tad, observing that the guide was doing nothing more in the way of work than rubbing the nose of his prodigal burro. "Aren't you going to help us?"
"Yes; what do you think we're paying you good American dollars for?" demanded Ned.