The flight had certainly been a hardy but instructive one. More than once the adventurous young aviators had a thrilling experience amidst unfamiliar air conditions. Twice they had been discovered in temporary camps by natives. The watchfulness and skill of their pilot had baffled efforts at capture.

“Just to think,” said Hiram, gazing longingly at the ocean—“just a bit of water to cover, and we are on home territory.”

“Yes,” smiled our hero, “it looks nice and easy on the map. Remember one thing, though, fellows: here at Mayamlia we take in full supplies. The food and fuel will be easy as far as Helena or Trinidad. Between those points and the final flight to Rio, though, the gasoline supply is what we must look out for.”

“We’re going to make it—I feel it in my bones!” crowed the optimistic Hiram Dobbs.

CHAPTER XXII

LOST IN THE AIR

“This is serious, fellows,” spoke Dave. “Get ready for the worst.”

“What is the worst?” inquired Elmer Brackett.

“A sudden drop. You had better have the breeches buoys ready.”

“Oh, Dave!” cried Hiram Dobbs, in actual distress. “You don’t mean to say that the brave old Comet is going back on us just as it looks as though the home stretch is right ahead of us?”