IN MODERN SCIENCE. 



107 



Tabular View of Geological Periods and of Life-Epochs. 





o 



^ 



\ 



»4 



Gbological Pbriods. 



I 



Post-Tertiary f Recent. 

 or Modtm, \ Post-Glacial. 



Tertiary 



Pleistocene, or Glacial. 



Pliocene. 



Miocene. 



Eocene. 



Cretactout. 



yuraxtic . 



Triattie 



/Upper, 



Lower, or Neocomian. 



r Oolite. 

 •ILiaa. 



\ j£^i, or Muschelkalk. 

 (Lower. 



Pgymian 



{Middle, or Magneaian 

 Limestone. 

 Lower. 



(Upper Coai-FormatiOB. 

 Goal-Formation. 

 Carbouiferous Limestone. 

 Lower Coal-Formation. 



Erian 



or 

 DtvamaH 



("Upper. 



•{ Middle. 



. (.Lower. 



Age of Man 

 and Modern 

 Mammal*. 



Age of Extinct 



Mammals. 



(Earliest 



Placental 



Mammals.) 



AgtotReptilet 

 and Birds, 



(Eariiest 

 Marsupial 

 Mammals.) 



saurian . • {i^^JlorSauro-Cambrian 



fUpper. 



Camirian. .-{Mjddle. 



(.Lower. 



. Uuroman. .{^^J; 



Lamrentiem 



f Upper, or Norian. 

 .^Middle, 

 ^Lower, or Bojian. 



Animal 



LiFB. 



(Earliest True 

 Reptiles.) 



Age of 

 Amphibians 

 ana Fishes. 



Age of 



MoTlushs, 



Corals, and 



Crustaceans. 



Age of 



ProtoKoa, 



(First Animal 



Remains.) 



Vbgbtablb 



LiPB. 



Age of 

 Angio^rms 

 and Pat'ms. 



(Earliest 

 Modem 

 Trees.) 



Age of 



Cjvaaswad 



Pines. 



Age of 



Acrogens and 

 Gymnosferms, 



(Earliest 

 Land Plantt.) 

 Age of Alga. 



Indications of 



Plants not 

 determinable, 



