. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. the Skull of Diademodon. 297 hollows which run along the ridge backwards uutil thev are suddenly terminated by deep fossre. The median ridge continues backwards until, at a point about halfway to the occipital condyles, it suddenly widens and splits into two, which form the lateral borders of a triangular area bounded behind by the occipital surface of the skull. This area is somewhat depressed on each side of the middle line, and its postero-lateral angles are excavated by ve
. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. the Skull of Diademodon. 297 hollows which run along the ridge backwards uutil thev are suddenly terminated by deep fossre. The median ridge continues backwards until, at a point about halfway to the occipital condyles, it suddenly widens and splits into two, which form the lateral borders of a triangular area bounded behind by the occipital surface of the skull. This area is somewhat depressed on each side of the middle line, and its postero-lateral angles are excavated by very deep xAlu^I. Sq. Fr. ParFoss Fk I.—Diademodon brotaii. E. 3587. Upper surface. X 1. Bff., digastric prroove ; , external auditory meatus; /•'/•., frontal; , interparietal; Ju., jugal; Lac, lachrymal; Mx., maxilla; Xa., na^al; Por., parietal; Pef., petrosal; :, pre- frontfil; Pai., piuealforamen : P^.,pterygoid; , pterygo- paroccipital foramen ; Sq., squamosal. On each side in this region is a deep fossa opening ante- riorly into the brain-cavity, and passing outwards laterally to terminate at the beginning of the great smooth groove on the root of the zygomatic arch. This fossa is the tympanic 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 London, Taylor and Francis, Ltd
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Keywords: ., bookce, booksubjectbotany, booksubjectgeology, booksubjectzoology
