“Give him air! He has only fainted.”

But the awful strain and suffering experienced by Nicolas had told seriously upon his strength.

However, he soon recovered with the aid of stimulants. He managed to mount a horse.

But before doing this he half prostrated himself at Frank’s feet.

“Oh! good, kind American!” he cried. “There will always be a place in the heart of Nicolas for you. Never shall I forget you!”

Then all mounted their horses. The couriers rode in advance. All saluted the voyagers and then the cavalcade dashed away.

Our voyagers watched them until long out of sight.

Then Frank Reade, Jr., drew a deep breath.

“One man’s wrongs righted!” he said. “I am very glad!”

“Amen!” said Professor Gaston, and Barney and Pomp looked their feelings.