GENERAL OBSERVATIONS. 



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Pishes. — Teliosts 



Ganoids, Heterocercal 

 Homocercal 

 Selachians 



Cestracionts 



Hybodonts 



Squalodonts (Modern Sharks) 



Reptiles 



Labyrinthodouts 

 ) ( Thecodonts 

 Enaliosaurs 

 Pterosaurs 

 Dinosaurs 

 Crocodilians 

 Genus Crocodilus 

 Chelonians, or Turtles 



Birds : 



Mammals, exclusive of Man 

 Marsupials 

 In«ectivores 



Rodents 



Edentates 

 Chiropters or Bats 

 Cetaceans 

 Herbivores 



Perissodactyls 



Artiodactyls 



Sthenorhines 



Proboscidians (Elephant, etc. 



Ruminants, Stag family 

 Bovine, or Ox family 



Carnivores 



Quadrumana, or Monkeys 



