| Table of Contents | |
| Section | Page |
| Start of eBook | 1 |
| CHAPTER XVII. | 1 |
| CHAPTER XVIII. | 1 |
| CHAPTER XIX. | 1 |
| CHAPTER XX. | 1 |
| CHAPTER XXI. | 1 |
| CHAPTER XXII. | 1 |
| CHAPTER XXIII. | 1 |
| LIST OF ILLUSTRATIONS | 2 |
| PART I. | 6 |
| INTRODUCTION. | 6 |
| CHAPTER I. | 13 |
| CHAPTER II. | 17 |
| CHIEF DIVISIONS OF THE AQUEOUS ROCKS. | 19 |
| CHAPTER III. | 35 |
| CHAPTER IV. | 40 |
| CHAPTER V. | 46 |
| CHAPTER VI. | 50 |
| PART II | 54 |
| CHAPTER VII. | 54 |
| THE HURONIAN PERIOD. | 62 |
| LITERATURE. | 62 |
| CHAPTER VIII. | 63 |
| LITERATURE. | 72 |
| CHAPTER IX. | 73 |
| CHAPTER X. | 88 |
| LITERATURE. | 98 |
| CHAPTER XI. | 100 |
| LITERATURE. | 114 |
| CHAPTER XII. | 116 |
| CHAPTER XIII. | 124 |
| LITERATURE. | 137 |
| CHAPTER XIV. | 138 |
| LITERATURE. | 145 |
| CHAPTER XV. | 146 |
| LITERATURE. | 161 |
| CHAPTER XVI. | 162 |
| LITERATURE. | 181 |
| CHAPTER XVII. | 182 |
| LITERATURE. | 199 |
| CHAPTER XVIII. | 201 |
| EOCENE FORMATION. | 203 |
| LIFE OF THE EOCENE PERIOD. | 205 |
| CHAPTER XIX. | 215 |
| CHAPTER XX. | 227 |
| LITERATURE. | 233 |
| CHAPTER XXI. | 235 |
| CHAPTER XXII. | 244 |
| LITERATURE. | 257 |
| CHAPTER XXIII. | 258 |
| APPENDIX. | 265 |
| INVERTEBRATE ANIMALS. | 265 |
| VERTEBRATE ANIMALS. | 267 |
| GLOSSARY. | 268 |
| CAINOZOIC (See Kainozoic.) | 272 |
| INDEX. | 290 |

