14 



PICTURESQUE SKETCHES 



1 1 1. The Modern Epoch. 



TABULAR VIEW OF THE SUCCESSIVE GEOLOGICAL PERIODS. 



10. The Period of the caverns and gravel; with 

 Carnivora, the Megaceros and other gigan- 

 tic ruminating animals, and the elephants 

 of Europe ; and of various gigantic animals 

 in Asia, America, Australia and New Zea- 

 land. (Newer Tertiary.') 



9. The Period of various large animals of the 

 Middle Rhine valley, succeeded by that 

 of the mastodon and elephants in North 

 America, England, Northern Europe and 

 India. (Middk Tertiary.'] 



8. The Period of the pachyderms of the Paris 

 basin, and of the sub- tropical (?) fruits and 

 animals of the London and Hampshire 

 Basins. (Older Tertiary.) 



7. The Periods of the Chalk and Greensand ; 

 during the deposit of which there was pro- 

 bably a deep sea, covering a large proportion 

 of the existing land. 



6. The Periods of the gigantic land reptiles, 

 the flying reptiles, the gigantic crocodilian s, 

 and the first introduction of mammalian 

 animals. ( Wealden and Oolite.) 



5. The Periods of the frog-like, bird-like, and 

 marine reptiles. (Lias and Trias.) 



4. The Periods marked by the presence of vege- 

 tables and the first introduction of reptilian 

 animals. (Permian and Carboniferous.) 



3. The Period of fishes. (Devonian.) 

 I. The Ancient Epoch. 



2. The Period of invertebrated animals. 



(Silurian.) 



1. The Period antecedent to the introduction 

 of life. 



II. The Middle Epoch. 



