50 



ANTHROPOID APES. 



fingers, but it exteiids much further on the toes 

 (Fig. 13). This species of ape is found in Further 

 India. 



The wauwau (Hylohates agilis, F. Cuvier, Fig. 14), 

 an ape of a rare species, may, according to Duvaucel, 

 be recognized by his prominent supra-oibital arches, 

 sunken eyes, a moderately flat nose, and hirge nostrils 

 with lateral openings. The face of the male is hairless, 

 and of a bluish black ; that of the female is brown. 

 The face is encircled by thick, whitish hair, through 

 which the ears are only partly visible. There are a 



Fig. 13. — Left foot of the same animal. 



few black hairs on the chin. In the male the head, 

 belly, inner surface of the arms and of the thighs 

 are dark brown. The neck and shoulders are of a 

 lighter shade, and the hair on the heels is dun or 

 whitish. The backs of the hands and feet are dark 

 brown. The sides of the posteriors and the backs of 

 the thighs are brown, chestnut, or white. In the 

 female the white hair which encircles the face is 

 shorter, and verges on dun colour. The young 

 animals are light yellow or brown. This animal 

 inhabits the island of Sumatra. 



