There are more than eighty species in the family of the Cebidæ, divided into ten genera and grouped in four sub-families. [Please select]
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The Spider Monkey is of the genus _Ateles_ and is one of the best known of the Cebidæ family. [Please select]
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The Howling Monkeys form the single genus of the second sub-family of the Cebidæ--the genus Mycetes. [Please select]
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The third sub-family of the Cebidæ includes some dozen species which inhabit the forests of Equatorial America. [Please select]
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The fourth sub-family of the Cebidæ includes several genera and a number of species, of these the Douroucouli (_Nyctipithecus felinus_) is one of the most interesting. [Please select]
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