Catalogue of the fossil Reptilia and Amphibia in the British Museum (Natural history) ..By Richard Lydekker .. . of the centrum of that specimen are:—length0,040 (1-55 inches), width 0,072 (2-85 inches), height0,058 (2*25 inches). Made hi the Museum, 1888. 47325. The right (?) ischium ; from the Kimeridge Clay (Upper(Fi(/.) Jurassic) of Swindon, Wiltshire. This specimen (wood-cut fig. 51) agrees precisely with the ischia of P. philar-chus in the collection of A. N. Leeds, Esq., of Eyebury,Peterborough. It dimensions are:—length 0,450 (10inches), width at proximal extremity 0,261 (10-5 inches).
Catalogue of the fossil Reptilia and Amphibia in the British Museum (Natural history) ..By Richard Lydekker .. . of the centrum of that specimen are:—length0,040 (1-55 inches), width 0,072 (2-85 inches), height0,058 (2*25 inches). Made hi the Museum, 1888. 47325. The right (?) ischium ; from the Kimeridge Clay (Upper(Fi(/.) Jurassic) of Swindon, Wiltshire. This specimen (wood-cut fig. 51) agrees precisely with the ischia of P. philar-chus in the collection of A. N. Leeds, Esq., of Eyebury,Peterborough. It dimensions are:—length 0,450 (10inches), width at proximal extremity 0,261 (10-5 inches).It is noticed by the writer in the Quart. Journ. vol. xlv. p. 52. Presented btj the Directors of the SwindonBiiclc and Tile Company, 1876. R. 1255. A left femur probably referable to this species; from theKimeridge Clay of Broughton-Gifford, Wiltshire. The 154 SAUROPXEEYGIA. resemblance of this specimen to the larger type femur(fig. 50), and also to the corresponding bone of the limbof P. philarchus No. 47410 (p. 158), leaves little donbt ofthe generic identity of the two. No history. Fig. Peloneustes —A femur; from the Himeridge Clay of (After Phillips.) Peloneustes philarchus (Seeleyl). Syn. Plesiosaurus philarchus, Seeley 2. Thaumatosaurus philarchus, Lydekker3. The type species. Premaxilla with five teeth, and 37 or 38 in themandible, of which at least 14 are in the symphysis ; some 20 or 21cervical vertebrse, in which the neural canal is not sunk into thecentrum. The mandible and paddle from the Oxford Clay, figuredon pp. 317, 318 of Phillipss Geology of Oxford, indicate a largerform allied to the present; but the propodial bone of the paddlebelongs to a totally different and much smaller Sauropterygian. This species was founded upon an imperfect skeleton in the Cam-bridge Museum, in which there are some 18 or 19 cervical vertebras;specimens in the collection of A. N. Leeds, Esq., of Eyebury, Peter-borough, show the presence of 20 or 21 cerv
Size: 969px × 2580px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorlydekkerrichard184919, bookcentury1800, bookdecade1880
