“I was a bit scared at first,” confessed Bob. “But I soon got used to it.”

“And he had as good an appetite up in the air as he did on the ground!” cried Jerry.

“Oh, quit!” begged the stout lad.

“Did you really eat on your aeroplane, Chunky?” asked George Fitch.

“Eat? Say, we couldn’t live on air you know,” answered Chunky.

“Our biggest craft was a combined dirigible balloon and aeroplane,” Jerry explained. “We went on long trips in it, and were off the earth for days at a time.”

“Say, that sure was great!” cried Tom.

Meanwhile, all eyes were on the two aeroplanes, which were becoming smaller and smaller the higher up they went towards the clouds.

“Well, he didn’t back out; did he?” asked some one of Frank.

“Oh, dry up!” was the snarled answer.