. The brain as an organ of mind. in that of Gauss. But in the brain of a Journalist(formerly a Clergyman) who died some years ago inUniversity College Hospital, the size of the frontal lobesis distinctly greater, and the intricacy of their convolutionsaltogether remarkable—fully equalling, even if it doesnot exceed, that met with in the brain of Gauss. In otherregions also this brain, of an educated though not distin-guished man, is rather more highly convoluted than thatof T)e Morgan, as it is also distinctly heavier. It waspreserved, indeed, both because it was the brain of a well- Chap. XXL
. The brain as an organ of mind. in that of Gauss. But in the brain of a Journalist(formerly a Clergyman) who died some years ago inUniversity College Hospital, the size of the frontal lobesis distinctly greater, and the intricacy of their convolutionsaltogether remarkable—fully equalling, even if it doesnot exceed, that met with in the brain of Gauss. In otherregions also this brain, of an educated though not distin-guished man, is rather more highly convoluted than thatof T)e Morgan, as it is also distinctly heavier. It waspreserved, indeed, both because it was the brain of a well- Chap. XXL] OF THE HUMAN BRAIN. 391 educated person and because it presented a well-markedcomplicacy of its convolutions, with the view of subse-quently comparing it with that of the recently-deceasedMathematician. In both these brains, as well as in that of Gauss, thefissures of Kolando are very sinuous, owing to the exist-ence of many secondary foldings of the ascending frontaland parietal convolutions.* The relative position o^ these. Fig. 143.—Front view of Frontal Lobes of the Brain of a Journalist, showing theextreme complicacy of its Convolutions. Owing to slight obliquity of position,the right Frontal Lobe is more fully shown than the left. (Accurately drawn byv. Horsley, from a photograph.) fissures was, however, very different in the two brains,and in that of the Journalist the distance of the lowerend of the fissure of Rolando from the tip of the temporallobe was altogether remarkable. As a consequence apparently of a blindness of theright eye, dating from a few days after birth, the leftCerebral Hemisphere of De Morgans brain was notably * ISTo bridge-like convolution was to be seen crossing tbe fissureof Eolando in either brain. On the right side, but not on the left,and this only in the brain of De Morgan, the fissure of Eolandoopened into the fissure of Sylvius. 392 THE EXTERNAL CONFIGURATION smaller than the right, though the measurements of theorgan, now that it has
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