Illustration from Brockhaus and Efron Encyclopedic Dictionary (1890—1907). 1. Skull of a young chimpanzee; 2. skull of a baboon (<i>Papio</i> sp.); 3. skull of an adult gorilla; 4. brain of a gorilla; 5. skull of a young gorilla; 6. gorilla skeleton.
painter from Brockhaus and Efron Encyclopedic Dictionary
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