Catalogue of the fossil Reptilia and Amphibia in the British Museum (Natural history) ..By Richard Lydekker .. . h those of the humerus figured byPhillips on p. 363 as P. brachydirus, but which is muchlarger than the femur of that form, and is in all proba-bility referable to the present species. Presented by R. Stead Jones, Esq., 1863. 138 SATTKOPTEKYGIA. R. 1250. A somewhat smaller example of the corresponding bone;from the Kimeridge Clay, locality unknown. Length0,644 (25-4 inches), diameter of distal extremity 0,265(10-4 inches). Purchased. R. 1245. Cast of the bones of the right (?) pelvi
Catalogue of the fossil Reptilia and Amphibia in the British Museum (Natural history) ..By Richard Lydekker .. . h those of the humerus figured byPhillips on p. 363 as P. brachydirus, but which is muchlarger than the femur of that form, and is in all proba-bility referable to the present species. Presented by R. Stead Jones, Esq., 1863. 138 SATTKOPTEKYGIA. R. 1250. A somewhat smaller example of the corresponding bone;from the Kimeridge Clay, locality unknown. Length0,644 (25-4 inches), diameter of distal extremity 0,265(10-4 inches). Purchased. R. 1245. Cast of the bones of the right (?) pelvic limb, apparentlyseen from the inner side. The original was obtained fromKimeridge Bay by Mr. Mansel-Pleydell, and is preservedin the Museum at Dorchester. The femur wants a portionof the distal postaxial border; and the arrangement ofsome of the bones is incorrect. The entire length asrestored is 1,960 (6 feet 6 inches) ; the length of thefemur being 0,930 (37 inches), and its width in themiddle of the shaft 0,170 (7 inches). The resemblanceto the type femur figured on p. 362 of Phillipss Geology Fig. Pliosaurus of Swindon. ?X -Dorsal aspect of the left femur ; from the Kimeridgea, preaxial, b, postaxial border. {After Phillips.) of Oxford (reproduced in fig. 43) is very close ; the length,of that specimen being 0,853 (34 inches), the width in the 139 middle of the shaft 0,172 (7*25 inches), and the width ofthe distal extremity 0,316 (12-75 inches); it is probable,however, that a portion of the postaxial border is wantingat the distal extremity; since in a specimen in thecollection of Mr. M. Fisher, of Ely, the length is 0,936(37 inches), and the distal diameter abont 0,430 (17inches). Phillips notices the present specimen on p. 357under the name of P. grandis, as indicating a form closelyallied to the type femur, but mentions a difference at thedistal extremity of the femur, which, however, mayperfectly well be due to imperfection or to
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