The young diver had less than half an hour to remain on guard when his attention was attracted to a peculiar sound among the trees close at hand.
He looked in the direction, and was horrified to see two shining eyes glaring down at him.
"A wild beast, sure," he reasoned. "Wonder if the thing wants to attack me?"
As quickly as he could, he got his bow into position and adjusted one of the arrows to the string.
The eyes were still turned upon him and the sight was enough to make his blood run cold.
"Here goes!" he muttered, and taking careful aim, he let the arrow fly with all force.
His aim was true, and no sooner had the arrow struck than there was an unearthly shriek, and out of the tree dropped a large dark object. It flipped and flopped over the ground, uttering snarl after snarl.
"What's the row?" cried Captain Broadbeam, leaping to his feet and seizing a club.
"I've struck something!" answered Dave. "Take care!"
"It's that gorilla!"