. The comparative anatomy of the domesticated animals. Veterinary anatomy. 64 THE BONES. Fig. 35. cevebellnm; and for this purpose it shows four foss^, distinguished into superior or cerebral, and inferior or cerebellar. These foss« are separated by a crucial projection â whose most developed portion forms the internal occipital protuberance. The union of the occipital with the parietal bones constitutes the lambdoidal suture. At the point where this bone meets the parietal and the squamous portion of the temporal, is found, in the infant, the lateral posterior fontanella. 2. Parietal hones.â
. The comparative anatomy of the domesticated animals. Veterinary anatomy. 64 THE BONES. Fig. 35. cevebellnm; and for this purpose it shows four foss^, distinguished into superior or cerebral, and inferior or cerebellar. These foss« are separated by a crucial projection â whose most developed portion forms the internal occipital protuberance. The union of the occipital with the parietal bones constitutes the lambdoidal suture. At the point where this bone meets the parietal and the squamous portion of the temporal, is found, in the infant, the lateral posterior fontanella. 2. Parietal hones.âThe parietals are always isolated in early life, and sometimes consolidated with each other at the adult age. They are very large, quadrilateral, and occupy the summit and sides of the cranium. The parietal crests are absent, but are replaced, in certain individuals, by two faintly-marked curved lines situated a little above the inferior border of the bone. The middle portion of the external face is very convex. On the internal face there is no parietal pro- tuberance, but in its stead the internal occipital protuberance. It also exhibits ramous channels, which in disposition are analogous to the ribs of a tig-leaf; as well as the parietal fossa which cor- responds to the parietal eminence. X Frontal fcoiie.âThe frontal bone of Man forms the upper part of the face and the anterior portion of the cranium. Convex from behind forward, then vertical in its upper three-fourths, the bone sud- denly bends at the orbits, so as to become hori- zontal in its lower fourth. The external face offers, above the forehead, two lateral frontal eminences, and above the nose, a middle frontal boss. To the right and left of the latter are two salient arches, the supraorbital ridges. The internal face entirely belongs to the cranial cavity. It offers on the median line, the saggital groove terminated by a frontal crest; and on each side of this line the frontal fossse, corresponding to the emi
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