TRANSMUTATIONS OF LIVING FORMS 93
Archæan Era 94
Table of Stratified Rocks and the Successive
Appearance of Typical Life-Forms 95
Cambrian Period 96
Lower Silurian Period 96
Upper Silurian Period 98
Devonian Period 100
Carboniferous Period 102
Permian Period 104
Triassic Period 105
Jurassic Period 106
Cretaceous Period 108
Tertiary Period 110
Quaternary Period 113