06 THE MAN-LIKE APES. I 



of great elongation when the animal is enraged, then 

 hanging over the chin; skin of the face and ears naked, 

 and of a dark brown, approaching to black. 



" The most remarkable feature of the head is a high 

 ridge, or crest of hair, in the course of the sagittal suture, 

 which meets posteriorly with a transverse ridge of the 

 same, but less prominent, running round from the back 

 of one ear to the other. The animal has the power of 

 moving the scalp freely forward and back, and when en- 

 raged is said to contract it strongly over the brow, thus 

 bringing down the hairy ridge and pointing the hair for- 

 ward, so as to present an indescribably ferocious aspect. 



Fig. 11. — Gorilla walking (after Wolf). 



"Neck short, thick, and hairy; chest and shoulders 

 very broad, said to be fully double the size of the Enehe- 

 ekos; arms very long, reaching some way below the knee 

 ■ — the fore-arm much the shortest; hands very large, the 

 thumbs much larger than the fingers. . . . 



" The gait is shuffling; the motion of the body, which 

 is never upright as in man, but bent forward, is somewhat 

 rolling, or from side to side. The arms being longer than 

 the Chimpanzee, it does not stoop as much in walking; 

 like that animal, it makes progression by thrusting its 



