the mermaid, sure, an' all on this ship are doomed Davy Jones has rooms all ready for us in his locker."
"Don't be an idiot!" cried Captain Barton, sharply. "There are no such things as mermaids."
"That lobsterman was one," insisted Widdy. "He vanished into fog as soon as he got out of sight, an' turned into a mermaid, an' come aboard. She's here now."
"I suppose the lobsters he left us were mermaid lobsters, too," suggested the commander, trying to make the old sailor see how foolish was his superstition.
"I don't know nothin' about that, but there's a mermaid below, in the after compartment, near the shaft tunnel, sir, an' I know it!" insisted the old salt, shaking his head.
Dick Hamilton gave a sudden cry.
"Captain Barton, I believe I know what that is!" he exclaimed. "Come on," and he made his way toward the stern of the yacht, while the commander, wondering what was going to happen, followed.