98 ANTHROPOID APES. 



forearm is directed downwards or towards the wrist 

 in the ordinary manner ; and in Sylohates lar it is 

 nearly erect, with only a very slight forward inclina- 

 tion ; so that in this latter species it is in a tran- 



Fig. 30. — Capucin ape (Cebus capucinus). ^ 



sitional state. It .can hardly be doubted that with 

 most mammals the thickness of the hair and its 

 direction on the back is adapted to throw off the 

 rain ; even the transverse hairs on the forelegs of a 



