| CHAPTER | I. | THE SUNKEN TREASURE. |
| CHAPTER | II. | THE YOUNG INVENTOR. |
| CHAPTER | III. | THE BOTTOM OF THE SEA. |
| CHAPTER | IV. | A CATASTROPHE. |
| CHAPTER | V. | ON THE REEF. |
| CHAPTER | VI. | PARKER’S DEEP GAME. |
| CHAPTER | VII. | A PARLEY. |
| CHAPTER | VIII. | A DIVERS’ BATTLE. |
| CHAPTER | IX. | THE GALLEON’S GOLD. |
| CHAPTER | X. | WHAT BECAME OF THE DOLPHIN. |
| CHAPTER | XI. | FRANK’S ADVENTURES. |
| CHAPTER | XII. | WHICH ENDS THE TALE. |