PREFACE CHAPTER I. An Unpleasant Discovery CHAPTER II. Allen on the Trail CHAPTER III. A Dangerous Situation CHAPTER IV. The Man in the Sink Hole CHAPTER V. Good Cause for Alarm CHAPTER VI. From One Peril to Another CHAPTER VII. The Cave in the Mountain CHAPTER VIII. Into a Snake's Nest CHAPTER IX. A Visitor at the Ranch CHAPTER X. The Captain's Setback CHAPTER XI. Ike Watson's Arrival CHAPTER XII. The Boys Talk It over CHAPTER XIII. Caught in a Cyclone CHAPTER XIV. Another Surprise CHAPTER XV. At Dottery's Ranch CHAPTER XVI. An Encounter in the Dark CHAPTER XVII. Something about a Letter CHAPTER XVIII. Allen Changes His Plans CHAPTER XIX. Along the Water Course CHAPTER XX. Moving against Captain Grady CHAPTER XXI. Shooting a Grizzly Bear CHAPTER XXII. An Important Capture CHAPTER XXIII. News of Importance CHAPTER XXIV. Something about Barnaby Winthrop CHAPTER XXV. Fighting a Wolverine CHAPTER XXVI. Disappearance of Slavin CHAPTER XXVII. Allen Shows His Bravery CHAPTER XXVIII. A Buffalo Stampede CHAPTER XXIX. The Long Lost Found CHAPTER XXX. Together at Last—Conclusion