Man and His Ancestor: A Study in Evolution |
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active adapted Africa Akka ancient Animal Intelligence anthropoid apes ape-like appear arboreal arms Babylonia became biped body bones brain Bushmen carnivorous change of habit chimpanzee chipped stones civilized conflict considerable degree descended difference doubtless duty early earth embryo erect Europe evidence evolution existing extended fact feet forest fossil frugivorous gained gibbon glacial grasping power habitat habits hair hands Hottentots human human evolution ideas indicate influence instance intellectual intelligence language largely legs lemurs limbs lower animals man-ape man's ancestor mankind ment mental development mind Miocene monkeys moral nature Neanderthal Negritos negro neolithic nomad organization origin paleolithic period physical plantigrade possess primitive probably prognathism progress Pygmies quadruped race reached relics remains result savage seems sense smell social species speech stage stone structure superior thought tion to-day toes trace trees tribes tropical useless valves vertebrates walk weapons