translation.en: It's therefore probable that Africa was formerly inhabited by extinct apes closely allied to the gorilla and chimpanzee, and as these two species are now man's nearest allies, it's somewhat more probable that our early progenitors lived on the African continent than elsewhere."
translation.zh: 因此很有可能非洲从前有类人猿，现在灭绝了， 而它们和大猩猩以及黑猩猩相关。 这两个物种是现今人类的最接近的物种， 由此可见，人类的早期祖先 最有可能生活在非洲大陆上，而不是别处。”