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CONTENTS
| CHAPTER | PAGE | |
| I | News of a Treasure Wreck | 1 |
| II | Finishing the Submarine | 12 |
| III | Mr. Berg Is Astonished | 23 |
| IV | Tom Is Imprisoned | 29 |
| V | Mr. Berg Is Suspicious | 40 |
| VI | Turning the Tables | 53 |
| VII | Mr. Damon Will Go | 64 |
| VIII | Another Treasure Expedition | 72 |
| IX | Captain Weston's Advent | 78 |
| X | Trial of the Submarine | 87 |
| XI | On the Ocean Bed | 97 |
| XII | For a Breath of Air | 105 |
| XIII | Off for the Treasure | 114 |
| XIV | In the Diving Suits | 122 |
| XV | At the Tropical Island | 129 |
| XVI | "we'll Race You for It!" | 134 |
| XVII | The Race | 140 |
| XVIII | The Electric Gun | 149 |
| XIX | Captured | 156 |
| XX | Doomed to Death | 166 |
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