Guenon
GUENON (from the French, = one who grimaces, hence an ape), the name applied by naturalists to the monkeys of the African genus Cercopithecus, the Ethiopian representative of the Asiatic macaques, from which they differ by the absence of a posterior heel to the last molar in the lower jaw.
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)
