GENERAL OBSERVATIONS. 



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Pishes. — Teliosts 



Ganoids, Heterocercal 

 Homocercal 

 Selachians 



Cestracionts 



Hybodonts 



Squalodonts (Modern Sharks) 



Keptiles 



Labyrinthodonts 

 ) ( Thecodonts 

 Enaliosaurs 

 Pterosaurs 

 Dinosaurs 

 Croeodilians 

 Genus Crocodilus 

 Chelonians, or Turtles, 



Birds 



Mammals, exclusive of Man 

 Marsupials 

 Insectivores 

 Rodents 

 Edentates 

 Chiropters or Bats 

 Cetaceans 

 Herbivores 



Perissodactyls 



Artiodactyls 



Sthenorhines 



Proboscidians (Elephant, etc.) 



Ruminants, Stag family 

 Bovine, or Ox family 



Carnivores 



Quadrumana, or Monkeys 



