328 



GENERAL ZOOLOGY 



Fig, lid. Geological History 



Pertod 



Characteristic Animals 



Firtt 



Occurrence of 



Recent 



P/e/sTocene 



Mammofh. 



Horse. 

 GtcjphodonTs. 



Man 





Deer Sloths, 

 Ape . 



Dog . Stag. 

 Came/, 



Ape . Marfl 



Miocene 



Elephant. 

 Sab re. '-tooth 



Car. Bear, 



Monkey, 



Cow , Oeer. 



Mgocene 



hoofed 



^Lr-^j,^ 



Horse (3 toes) ^ 

 Rhinoceros. 

 Pike 



Eocene 



Mammals. 



Snake. .Lemur 

 BaT. hog. 

 horse. 



Cretaceous 



Mars up ia Is , 

 Salamanders 



Jurrass/c 



Bird. 

 Crocodile. 

 Frog. 



Reptiles . 

 Amphibians, 



Mammals. 



Turtles. 

 Dinosaurs. 



Reptiles 



BryO7.oan$. 

 Echinolds. 

 Ophiurotds . 



Cambrian 



"rustacea ns, 

 Molluscs. 

 Worms . etc. 



Qracniopods, 

 Tr/lotfifeS. 



rocks - no f 053 Us 



FIG. 113. 



