CHAPTER I. NATURE IN TRAVAIL II. PROFESSOR FEATHERWIT TAKING NOTES III. RIDING THE TORNADO IV. THE PROFESSOR'S LITTLE EXPERIMENT V. THE PROFESSOR'S UNKNOWN LAND VI. A BRACE OF UNWELCOME VISITORS VII. THE PROFESSOR'S GREAT ANTICIPATIONS VIII. A DUEL TO THE DEATH IX. GRAPPLING A QUEER FISH X. RESCUED AND RESCUERS XI. ANOTHER SURPRISE FOR THE PROFESSOR XII. THE STORY OF A BROKEN LIFE XIII. THE LOST CITY OF THE AZTECS XIV. A MARVELLOUS VISION XV. ASTOUNDING, YET TRUE XVI. CAN IT BE TRUE? XVII. AN ENIGMA FOR THE BROTHERS XVIII. SOMETHING LIKE A WHI…
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