"Hark!"

Both boys stopped and above their quick breathing they could hear the
beating of their hearts.

Human voices were coming toward them.

Luckily Frank had his revolver, having been using it the day before in
shooting at huge turtles that floated lazily by. He had by a lucky
oversight neglected to take it off when he had finished his target
practice, merely thrusting it back into its holster. He drew the
weapon now, and grasping Harry by the arm pulled him down beside him
into a clump of brush.

"We'll hide here till we see who it is coming," he said.




CHAPTER VII.

ADRIFT ON A FLOATING ISLAND.


The voices grew nearer and suddenly to his amazement Frank heard his
own name mentioned. The next moment both lads broke into a loud
exclamation of surprise.

Those approaching their place of concealment were Billy Barnes and Ben
Stubbs.