[Native African name.] A species of anthropoid ape discovered by Livingstone near Lake Tanganyika.
1870. Livingstone, Last Jrnl., 24 Aug. The soko, if large, would do well to stand for a picture of the Devil.
1875. Zoologist, X. 4359. The soko is so cunning, and has such sharp eyes, that no one can stalk him in front without being seen.
1898. E. P. Evans, Evol. Ethics, ix. 343. Some species of monkeys, like the chimpanzees and sokos, get up concerts of their own.
