20 
Fig. 7. 
Fishes.— Teliosts. 
Ganoids, Heteroeercal 
Homocercal 
Selachians 
Cestracionts 
Hybodonts 
Squalodonts (Modern Sharks) 
Reptiles 
Labyrinthodonts 
Thecodonts 
Enaliosaurs 
Pterosaurs 
Dinosaurs 
Crocodilliana 
Genus Crooodilus 
Chelonians, or Turtles 
Birds 
Hammals, exclusive of Man 
Marsupials 
Insectivores 
Rodents 
Edentates 
Chiropters or Bats 
Cetaceans 
1 lerbivores 
Perissodactyls 
Artiodactyls 
Sthenorhines 
Proboscidians, (Elephant, etc.) 
Ruminants, Stag family 
Bovine, or Ox family 
Carnivores 
Quadrumana, or Monkeys 
