Men of the old stone age, their environment, life and art (1916)
Osborn, Henry Fairfield, 1857-1935 · New York : C. Scribner's sons · leaf 93
; this power is developed to a greater or ess degree in all the anthropoid apes ; with practice they become 58 MEN OF THE OLD STONE AGE expert walkers. The additional freedom which the erect atti-tude gives to the arms and to the movements of the hands andthe separate movements of the fingers is… … Fig. 23. The evolution of the brain. Outlines (side view) of typical humanand prehuman brains, showing the early development of the posterior por-tions of the brain and the relatively late development of the anterior portions,the seat of the higher mental faculties. the gibbon there is a marked…
Prehistoric peoples · Stone age · Art, Primitive
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
