When they got to the vicinity of the shattered cave they found everything as they had left it. Even a pick Tom had forgotten remained undisturbed.

"Evidently the Merrick crowd has not yet found its way here," said
Dick.

"We shall have to be on our guard when we go to blasting," answered his parent. "For the noise may bring that rascal and his gang here in a hurry."

And then all set to work with vigor to see if by some means they could not get down under the rocks and to the spot where the precious treasure had been deposited so many years before.

CHAPTER XXVII

WHAT HAPPENED ON THE STEAM YACHT

About an hour after the Rovers and Captain Barforth had left the steam yacht Dora came from the forward deck looking much disturbed.

"What is the trouble?" asked her mother.

"Oh, not very much," she answered, for she did not wish to worry her parent. "Where is Fred?"

"I think he is at the stern, fishing with Hans and John."