| | PAGE |
| GENERAL CONSIDERATIONS | 1 |
| Consideration of Fossils | 4 |
| Chemical and Nebular Hypotheses of the Globe | 15 |
| Modifications of the Earth’s Surface | 26 |
| ERUPTIVE ROCKS | 30 |
| Plutonic Eruptions | 31 |
| Granite | 31 |
| Syenite | 34 |
| Protogine | 35 |
| Porphyry | 37 |
| Serpentine | 38 |
| Volcanic Rocks | 39 |
| Trachytic Formations | 39 |
| Basaltic Formations | 44 |
| Volcanic or Lava Formations | 51 |
| Metamorphic Rocks | 71 |
| General Metamorphism | 74 |
| THE BEGINNING | 80 |
| PRIMARY EPOCH | 99 |
| Cambrian Period | 101 |
| Silurian Period | 102 |
| Lower Silurian Period | 104 |
| Upper Silurian Period | 110 |
| Old Red Sandstone and Devonian Period | 119 |
| Carboniferous Period | 130 |
| Carboniferous Limestone | 140 |
| Coal Measures | 150 |
| Formation of Coal | 159 |
| Permian Period | 170 |
| Permian Rocks | 177 |
| SECONDARY EPOCH | 185 |
| Triassic, or New Red Period | 185 |
| New Red Sandstone | 187 |
| Muschelkalk | 188 |
| Keuper Period | 199 |
| RhÆtic (Penarth) Period | 207 |
| Jurassic Period | |
