434 



NATURAL HISTORY 



[chap. XVIII. 



each side of the snout, curving backwards to near the 

 eyes, and in old animals often reaching eight or ten inches 

 in length. It is difficult to understand what can be the 

 use of these extraordinary horn-like teeth. Some of the 



SKULL OF BABIKUSA. 



old writers supposed that they served as hooks, by which 

 the creature could rest its head on a branch. But the way 

 in which they usually diverge just over and in front of 

 the eye has suggested the more probable idea, that they 



