For the distribution of the various families and genera the reader may be referred to the article Primates; and it will suffice to mention here that while chimpanzees and baboons are now restricted to Africa and (in the case of the latter group) Arabia, they formerly occurred in India.
Equatorial Africa, and the chimpanzees of W.
Each of these apes resembles man most in some one physical characteristic: the gibbons in the formation of the teeth, the orangs in the brain-structure, the gorillas in size, and the chimpanzees in the sigmoid flexure of the spine.
The forests contain many kinds of monkeys, including huge chimpanzees; antelope are widespread but rather rare.
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