THE NOSE. 



175 



somewhat flatter nose, as, for instance, has the white-nosed 

 Sea-cat (Cevcopithecus petaurista, Fig. 203) ; yet in all the 

 partition of the nose is narrow and thin. On the contrary, 

 all American Apes have a different nasal structure. In 

 them, the partition is peculiarly broadened and thickened 

 below, and the wings of the nose are not developed, in con- 

 sequence of which the nostrils are not below, but are 

 turned outwards. This characteristic difference in the 

 structure of the nose has also been so accurately trans- 



Fig. 202. — Head of Nose-ape (Semnopithecusnasicus). 



Fig. 203. — The white-nosed Sea-cat (Cevcopithecus petaurista). 



mitted in both groups, that, on account of it, the Apes of 



the New World have been called Flat-nosed (Platyrhince), 



and those of the Old World Narrow-nosed (Catarhince).' 



The former are, on the average, inferior in organization, 



31 



