. 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. PELONEUSTES. 49 posterior surface of the exoccipital described above ; or possibly a pro-atlas was present and rested against this anterior lobe of the arch and the facet of the exoccipital. The second subvertebral wedge-bone ( 2) (hypapophysis) is small, and unites with the centra of the atlas and axis. The centrum of the axis (ax.) is very similar to that of Text-fig. Atlas and axis of Peloneustes philarehus
. 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. PELONEUSTES. 49 posterior surface of the exoccipital described above ; or possibly a pro-atlas was present and rested against this anterior lobe of the arch and the facet of the exoccipital. The second subvertebral wedge-bone ( 2) (hypapophysis) is small, and unites with the centra of the atlas and axis. The centrum of the axis (ax.) is very similar to that of Text-fig. Atlas and axis of Peloneustes philarehus : A, from side; B, atlas from front, with the constituent elements separated. (R. 2439, -| nat. size.) , arch of atlas ; ax., axis ; od., odontoid; , posterior zygapophysis ; ?'./., rib-facet; 1, 2, first and second subvertebral wedge-bones. the succeeding cervicals, except for the small facet on its antero-ventral border for union with the wedge-bone. The articular surfaces of the centra are rather wider than high, and gently concave with a median pit. The length of the centrum is considerably less PART II. H. 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
