GEOGRAPHICAL DISTRIBUTION. 237 



The subjoined tables indicate the number of species in 

 each of the six great Zoo-Geographical Regions, followed 

 by others showing those peculiar to, and those living and 

 fossil in, the various sub-divisions of these Regions : — 



D. E. F. 



Indiaa Australian Nearctic Neotropical 

 Reg^Ion. Region. Region. 



