CHAPTER I A STRANGE PROPOSAL.

CHAPTER II GOING HOME.

CHAPTER III RIPOGENUS DAM.

CHAPTER IV THE GHOST SHOWS UP.

CHAPTER V CLUES.

CHAPTER VI THE CAVE ON THE MOUNTAIN.

CHAPTER VII A WARNING.

CHAPTER VIII WHERE IS JACK?

CHAPTER IX BURROWING.

CHAPTER X A DETECTIVE SHOWS UP.

CHAPTER XI THE HUNT FOR HELEN.

CHAPTER XII THE SIGNAL.

CHAPTER XIII ANOTHER TRIP UP THE MOUNTAIN.

CHAPTER XIV THE END OF THE GHOST.

“Here’s something,” he cried as he stooped over to examine the mark.