. The brain as an organ of mind. Brain; Thought and thinking; Brain. 382 THE EXTERNAL CONFIGURATION but, so far as I am aware, is not present in any adult quaclrumanous brain. The defect in the frontal lobe explains the remarkable constricted form of the Bush- woman's brain, already mentioned as existing at that point, a form which y^e may perhaps assume is a charac- teristic of the Bosjes brain, as it is equally present in the brain of the so-called Hottentot Yenus, where it has also been noticed by Gratiolet as a foetal ;. Fig. 137.—Right Cerebral Hemisphere of a Scotchman, ou
. The brain as an organ of mind. Brain; Thought and thinking; Brain. 382 THE EXTERNAL CONFIGURATION but, so far as I am aware, is not present in any adult quaclrumanous brain. The defect in the frontal lobe explains the remarkable constricted form of the Bush- woman's brain, already mentioned as existing at that point, a form which y^e may perhaps assume is a charac- teristic of the Bosjes brain, as it is equally present in the brain of the so-called Hottentot Yenus, where it has also been noticed by Gratiolet as a foetal ;. Fig. 137.—Right Cerebral Hemisphere of a Scotchman, outer aspect. (Turner.) Fr, Fr, Frontal lobe; Far, parietal lobe; Oc, occipital lobe; TS, temporo-sphen- oidal or temporal lobe; S, S, Sylvian fissure; 'S, 'S, ascending limb of Sylvian fissure (or * Sulcus precentralis' of Ecker); F, F, fissure of Rolando; IP, intra-parietal, and F, P, parallel fissures. 1, 1, 1, Inferior, 2, 2, 2, middle, and 3, 3, 3, superior frontal convolutions ; 4, 4, ascending frontal, and 5, 5, ascending parietal convolu- tions; 5', outer part of postero-parietal lobule; 6, 6, angular gyrus; 7, 7, superior, 8, 8, 8, middle, and 9, 9, 9, inferior temporal convolutions; 10, superior, 11, middle, and 12, inferior occipital convolutions; A, supra-na arginal lobule; a, ^, y, 6, first, second, third, and fourth annectent or bridging convolutions. The Jissure of Rolando (fig. 136, d, d) commences about 1J inches behind the tip of the temporal lobe. " It ter- minates considerably beyond the middle of the long axis of the cerebrum, nearly as far back as the line of greatest width of that organ; so that it passes proportionally further back than in the Hottentot Yenus, or indeed than in the ;. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bastian, H. Charlton. N. Y. , Appl
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbrain, booksubjecttho
