VII.] SUB-REGIONS. 263 



the species being distinctly African in affinities, three Indian, and 

 the remainder either peculiar or widely-spread, and of no special 

 significance." The association of a goat belonging to the Oriental 

 genus Hemitragus with such an essentially Ethiopian animal as a 

 hyrax {Procavia}, shows that we are here truly on the border-land 

 between the two regions in question. 



In conclusion, from whatever aspect it be regarded, Ethiopia 

 is one of the most interesting of the regions of Arctogaea; and if, 

 as is suggested in an earlier chapter, it has been the feeder by 

 means of which South America received its earliest mammalian 

 Tertiary fauna, it is entitled to an importance above all the other 

 zoological regions of the realm to which it pertains. 



