Also ouistiti(s. [ad. F. ouistiti (imitative); named by Buffon (Hist. Nat., 1767, XV. 96) from the cry of the animal.] A S. American monkey of the family Hapalidæ; a marmoset, esp. the Common Marmoset, Hapale jacchus.
1774. Goldsm., Nat. Hist., IV. 237. Of the sagoins with feeble tails, there are six kinds . The third is the Wistiti; remarkable for the large tufts of hair upon its face, and its annulated tail.
1834. H. MMurtrie, Cuviers Anim. Kingd., 49. Simia jacchus, Linnæus; the Common Ouistitis . This species is found in Paraguay, and nearly every part of South America.
18479. Todds Cycl. Anat., IV. 212/1. This general resemblance to the human skull is still greater in the Ouistitis.