EXTERNAL FORM OF THE MAN-LIKE APES. 749 



of hair streams downward like a beard. On the neck it is from sixty 

 to eighty or one hundred millimetres in length, and it falls in the same 

 long locks over the shoulders, back, and hips. The hair on the limbs 

 is not so long, and takes a downward direction on the upper arm, and 

 an opposite direction ou the forearm, while there is often a longitudi- 

 nal parting on the center of the inner surface of this part of the limb. 



Fio. 6.— Young Chimpanzee. 



On the back of the wrist the hair grows in a kind of whorl ; the upper 

 hairs turn upward and backward, the middle ones turn backward, the 

 lower ones backward and downward. The backs of the hands and the 

 roots of the fingers are hairy. On the front of the thigh the hair takes 

 a downward direction, while behind it grows backward. On the shank 

 it grows downward in the region of the tibia, and turns back on the 

 inside of the leg. The back of the foot and the roots of the toes are 

 likewise hairy. There is a shorter growth of these scattered hairs on 

 the face, chin, and ears. On the supraorbital arches there are from 



