| CHAPTER I. | A Mystery Of The Storm | |
| CHAPTER II. | Off For Zaruth | |
| CHAPTER III. | Among The Icebergs | |
| CHAPTER IV. | The Escape From The Icebergs | |
| CHAPTER V. | The Arctic Island | |
| CHAPTER VI. | The Madman | |
| CHAPTER VII. | A Fearful Fall | |
| CHAPTER VIII. | A Remarkable Story | |
| CHAPTER IX. | The Volcano Of Ice | |
| CHAPTER X. | The Escape Of The Dart | |
| CHAPTER XI. | Among A Strange Foe | |
| CHAPTER XII. | Bob's Discovery | |
| CHAPTER XIII. | The Big Polar Bear | |
| CHAPTER XIV. | The Finding Of The Stone Chest | |
| CHAPTER XV. | Bob Rescues His Father—Conclusion |