Medical lectures and aphorisms / by Samuel Gee.

  • Gee, Samuel (Samuel Jones), 1839-1911.
Date:
1902
Catalogue details

Licence: In copyright

Credit: Medical lectures and aphorisms / by Samuel Gee. Source: Wellcome Collection.

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    fixed the period about the seventh, and Tiede- mann between the seventh and eighth.’ This is not far from the truth. Hence the cranium or the brain-pan grows much more quickly than the face and the rest of the body ; and hence the skull is often wrongly deemed to be unduly large, even in a perfectly healthy child. When we are asked for an opinion about a big head, the first thing to do is to study, not its size, but its shape. Here we are helped by the cyrtometer, which will give us an exact outline of the head in any plane. Of the three chief planes of the skull—to wit, the horizontal plane and the two vertical planes (longitudinal and transverse)—the horizontal plane is cer- tainly the least useful, and the longitudinal vertical plane the most useful. The latter plane passes through the tuber occipitale, sagittal suture, and glabella. It is the plane which anthropologists have chosen, as being the most important; so much so that Mr. Huxley deems it a disgrace in any ethnological collection to have a single skull which is not bisected thus. Our cyrtometric tracing, then, passes from the deepest part of the nape of the neck just below the tuber occipitale, over the top of the c