Men of the old stone age, their environment, life and art (1916)
Osborn, Henry Fairfield, 1857-1935 · New York : C. Scribner's sons · leaf 94
he opposable thumb; third, the growth of t^-^brain; and fourth, the acquisition of the power, of speech. Targument for the erect attitude suggested by Lamarck, and put by Munro^ in 1893, indicates that the cultivation of ANCESTRY OF THE ANTHROPOID APES 59 with the hands and fingers Hes at the root… … Fig. 24. The evolution of the brain. Outhnes (top view) of typical humanand prehuman brains, showing the narrow forebrain of the primitive typeand the successive expansion of the seat of the higher mental faculties inthe successive races. such an advance as the erect attitude was brought about…
Prehistoric peoples · Stone age · Art, Primitive
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