. Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum. Natural history. On a Skull of Tapinocephalus atherstoni, Owen. 41 duplicate, one suspects that all the bones are from one locality and of one individual. In 1909 Broom described a Dinocephalian skull in the possession of the British Museum under this same specific name. Dr. Broom now informs me, however, that it is almost certain that this latter skull, howbeit a Dinocephalian, is not Tapinocephalus atherstoni, although closely allied to that species. The greatest length of the skull under description is 530 mm., whi
. Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum. Natural history. On a Skull of Tapinocephalus atherstoni, Owen. 41 duplicate, one suspects that all the bones are from one locality and of one individual. In 1909 Broom described a Dinocephalian skull in the possession of the British Museum under this same specific name. Dr. Broom now informs me, however, that it is almost certain that this latter skull, howbeit a Dinocephalian, is not Tapinocephalus atherstoni, although closely allied to that species. The greatest length of the skull under description is 530 mm., while the distance from the occipital condyle to the front of the snout is 435 mm. The maximum width of the skull is equal to its length, while its height in the temporal region is 285 mm. It con- sists of a large, high, broad, rounded temporal and posterior portion and a flat, broad snout. The frontals rise abruptly from the nasals almost at right FIG. 5. — Tdpinocephalns atherstoni, Owen. Side view of skull, x £ Owing to the weathered condition of the surface of the skull, and the hardness of the matrix, the sutures between the bones are not easy of determination. Fortunately, however, on arrival at the Museum the skull was found to be broken in several pieces, a fact which has materially assisted in the working of the skull. The palate is very well displayed. The premaxilla was comparatively small, and bore teeth, as did the maxilla. Most of the teeth are lost, and the number is indeter- minable. Just behind the junction between the premaxilla and maxilla of the left side there is a portion of a large tooth, and, internal to it, is a small secondary replacing tooth, circular in section, 5 mm. in diameter. The maxilla is large, moderately flat, and carried teeth. Its. 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 t
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