TABLE XII. 



Systematic Survey of the Palaeontological Periods, or the Gre 

 in the llistory of the Organic Earth. 



I. First Epoch : The Archilithic, or Primordial Epoch. 

 (Age of Skull-less Animals aud Seaweed Forests.) 



1. The Older Archilithic Epoch or Laurentian Perioi 



2. The Middle Archilithic Epoch Cambrian Period. 



3. The Later Archilithic Epoch Silurian Period. 



II. Second Epoch : The Palaeolithic, or Primary Epoch. 



(Age of Fishes and Fern Forests.) 



4. The Older Palaeolithic Epoch or Devonian Period. 



5. The Middle Palaeolithic Epoch Coal Period. 



6. The Later Palaeolithic Epoch Permian Period. 



III. Third Epjeek: The Mesolithic, or Secondary Epoch. 

 (Age of Reptiles aud Pine Forests, Coniferce.) 



7. The Older Mesolithic Epoch or Triassic Period. 



8. The Middle Mesolithic Epoch, Jurassic Period. 



9. The Later Mesolithic Epoch Chalk Period. 



IV. Fourth Epoch : The Caenolithic, or Tertiary Epoch. 



(Age of Mammals and Leaf Forests.) 



10. The Older Caenolithic Epoch or Eocene Period. 



11. The Middle Csenolithic Epoch Miocene Period. 



12. The Later Caenolithic Epoch Pliocene Period. 



V. Fifth Epoch : The Anthropolithic, or Quaternary Epoch. 

 (Age of Man aud Cultivated Forests.) 



13. The Older Anthropolithic Epoch or Ice Age, Glacial Period, 



14. The Middle Anthropolithic Epoch Post Glacial Period. 



15. The Later Anthropolithic Epoch Period of Culture. 



(The Period of Culture is the Historic Period, or Period of Tradition.) 



