[Native name.] A South American monkey of the genus Pithecia, esp. the white-headed saki, P. leucocephala.

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1834.  H. M’Murtrie, Cuvier’s The Animal Kingdom, 48. Simia pithecia, L. (The Yarke.) Blackish; circumference of the face whitish.

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1855.  Dalton, Brit. Guiana, II. 449. The yarkee is the name given by some to the white-faced Saki.

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