Tyke looked up from his work, and began:
"Mebbe that—Now, if I was superstitious—Oh, well," he went on hastily, "you can't expect to find a fortune in a minute."
"But we got the bearings all right, according to the map, didn't we?" demanded the captain with some asperity.
"We certainly did," Drew put it.
"We can't dig over the whole island," complained Captain Hamilton. "It would be foolish. Hush! What's that?"
A rumble, a sound from the very bowels of the hill, smote upon their ears. Ruth ran to them.
"Oh, Daddy!" she cried, "is there going to be another earthquake?"
"Look there!" Drew said pointing upward.
Over the summit of the whale's hump hung a balloon of smoke, or of steam, its underside of a lurid hue.
"I say I've had enough for one day," declared the master of the Bertha Hamilton. "Let's get back to the schooner before anything else occurs. Maybe a night's sleep will put heart in us. But I tell you right now, I, for one, would sell my share in the pirate's treasure at a big discount."