. A descriptive catalogue of the marine reptiles of the Oxford clay. Based on the Leeds Collection in the British Museum (Natural History), London ... Reptiles, Fossil. 80 MAllINE EEPTILES OF THE OXFOED CLAY. cartilage. lu front of this region is the deeply concave pituitary fossa. The sides of the bone are fiat and roughened posteriorly, and bear deep grooves running downwards and forwards from the upper posterior angles and terminating in the large paired foramina (), by which the internal carotids enter the pituitary fossa. Above these foramina tlie sides of the bone are produced outw
. A descriptive catalogue of the marine reptiles of the Oxford clay. Based on the Leeds Collection in the British Museum (Natural History), London ... Reptiles, Fossil. 80 MAllINE EEPTILES OF THE OXFOED CLAY. cartilage. lu front of this region is the deeply concave pituitary fossa. The sides of the bone are fiat and roughened posteriorly, and bear deep grooves running downwards and forwards from the upper posterior angles and terminating in the large paired foramina (), by which the internal carotids enter the pituitary fossa. Above these foramina tlie sides of the bone are produced outwards and forwards. Basioccipitiil, exoccipital-opistliotic, basisphenoid, and part of parasphenoid of Munenosaiinis leedsi: A, from side; B, from below. (R. 2422, nat. size.) lis., basisphenoid : )., united exoecipital and opisthotic ; , internal carotid foramen ; , occipital condyle; iws., parasphenoid; , paroccipital process; , pterygoid facet; , facet for supraoccipital; , lower cylindrical processes of basisphenoid. into a pair of processes bearing at their extremities facets, presumably for union with the pterygoids. The ventral surface is much roughened posteriorly, but for the greater part of its extent it is concealed by the closely adherent hinder end of the parasphenoid [])as.). The posterior border of this is sometimes notched in. 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 British Museum (Natural History). Dept. of Geology; Andrews, Charles William, 1866-1924. London, Printed by order of the Trustees
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectreptile, bookyear1910
