Page:Popular Science Monthly Volume 28.djvu/769

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EXTERNAL FORM OF THE MAN-LIKE APES.
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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 on the forearm, while there is often a longitudinal parting on the center of the inner surface of this part of the limb.

Fig. 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