"If we only recover the money, we'll be doing well," remarked Mr. Sharp.
Suddenly there came a shout from the fringe of woods surrounding the camp, and an instant later there burst from the bushes a number of men.
"My posse!" cried the sheriff. "We ought to be down now!"
The airship was a hundred feet above the ground, but Tom, opening wider the gas outlet, sent the craft more quickly down. Then, just as it touched the earth, he forced a mass of vapor into the container, making the ship buoyant so as to reduce the shock.
An instant later the ship was stationary.
Out leaped the sheriff.
"Give it to 'em, men!" he shouted.
With a yell his men responded, and fired a volley in the air.
"Come on, Tom!" called Mr. Sharp. "We'll make for the hut where you saw Morse."
"I'll come too! I'll come too!" cried Mr. Damon, rushing along as fast as he could, a seltzer bottle in either hand.
Tom's chief interest was to reach the men he suspected were the bank robbers. The lad dashed through the woods toward the hut near which he had seen Morse. He and Mr. Sharp reached it about the same time. As they came in front
