“Maybe there’s some sort of a secret trapdoor,” suggested Fred, hopefully.
For over a quarter of an hour Randy and Jack continued their investigations of the little opening just above the triangle of arrows. Then they came to the edge of the hole and looked down blankly at those on the scow.
“It’s no use,” said Randy, disconsolately. “If there’s any passageway here, we can’t find it.”
While the search was in progress, those on the scow had had no easy time of it to keep the craft from becoming damaged on the rocks. Now, as an extra large wave rolled in from the ocean, Fred used one of the boathooks as a fender. But the hook on the end of the pole slipped down, and the next instant boy and pole disappeared from view into the ocean at the base of the rocky cliff!
CHAPTER XXIX
IN THE CIRCLE OF THIRTEEN ROCKS
“Fred’s gone!”
“Push the scow back! Otherwise he’ll be smashed!”
Such were the excited exclamations as the youngest Rover boy disappeared over the front end of the clumsy scow which was now being turned sideways by the force of the waves.