CHAP. IV] THE GENERAL ANATOMY OF GORILLA 



163 



Gorilla is thus very unlike the Chimpanzee, in which the skin 

 is always lighter in tint, yellowish in the young and mottled with 

 darker patches in adults. Of the Asiatic Simiidae, the Hylobates- 



Fig. 103 a. Cutaneous grooves on the foot of a young Gorilla in the 

 Cambridge Collection (1/1). 



group shews an intense black pigmentation, while the Orang-utan 

 is yellow-skinned. 



D. Hand and Foot. In the hand and foot of the Gorilla as 

 in the other Simiidae, the primitive pads are scarcely recognizable 



11—2 



