§ 1. _The Hypothesis._—That Man was differentiated from the anthropoid stock by becoming a hunter; perhaps in the Oligocene period 1-3 § 2. _What the Hypothesis Explains._—World-wide range; why the earliest known men were hunters; the erect gait; specialisation of hands; reduction of arms; and of teeth and jaws; modification of skull; social co-operation; rudiments of speech; intelligence; control of fire 4-13…
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