| CHAPTER | PAGE | |
|---|---|---|
| I. | In the Depths. | 5 |
| II. | Out of the Jaws of Death. | 12 |
| III. | Sealed Orders. | 18 |
| IV. | The American Consul. | 25 |
| V. | Timely Forbearance. | 32 |
| VI. | On the Jump. | 37 |
| VII. | The Landing Party. | 44 |
| VIII. | Carl in Trouble. | 50 |
| IX. | A Friend in Need. | 55 |
| X. | Strange Revelations. | 62 |
| XI. | One Chance in Ten. | 68 |
| XII. | By a Narrow Margin. | 75 |
| XIII. | Waiting for Something. | 81 |
| XIV. | A Great Play. | 88 |
| XV. | On the Way. | 94 |
| XVI. | A Dash of Tabasco. | 101 |
| XVII. | A Serious Serenade. | 106 |
| XVIII. | Don Ramon Ortega. | 112 |
| XIX. | The Shadow of Treachery. | 119 |
| XX. | The Hidden Snare. | 125 |
| XXI. | A Mutiny. | 132 |
| XXII. | A Lesson in “Who’s Who.” | 139 |
| XXIII. | The Snare Tightens. | 146 |
| XXIV. | The Don’s Proposal. | 152 |
| XXV. | Unexpected Loyalty. | 159 |
| XXVI. | A Favorable Opportunity. | 165 |
| XXVII. | Exciting Work. | 172 |
| XXVIII. | Capturing the General. | 178 |
| XXIX. | Off for the Gulf. | 184 |
| XXX. | Running the Battery. | 190 |
| XXXI. | The “Seminole.” | 195 |
| XXXII. | Matters Arranged. | 202 |
| XXXIII. | A Submarine Battle. | 207 |
| XXXIV. | In Quest of Documents. | 214 |
| XXXV. | The Meeting in the Harbor. | 220 |
| XXXVI. | Ah Sin’s Clew. | 226 |
| XXXVII. | Off for the Amazon. | 233 |
| XXXVIII. | Villainous Work. | 240 |
| XXXIX. | Rubbing Elbows with Death. | 246 |
| XL. | A Dive for Safety. | 251 |
| XLI. | Putting Two and Two Together. | 258 |
| XLII. | Under the Amazon. | 264 |
| XLIII. | Hand to Hand. | 270 |
| XLIV. | Boarded! | 276 |
| XLV. | A Prisoner—and a Surprise. | 283 |
| XLVI. | The Old Slouch Hat. | 289 |
| XLVII. | At Para. | 295 |
| XLVIII. | A Desperate Risk. | 301 |