REPTILIA. 175 



[Imperfect skeleton, wanting head.] Presented by T. Haw- 

 kins, Esq. 

 Plesiosmniis euryspwidylus, H. G. Seeley, Index to Aves, etc., 

 Woodw. Mus. (18G9), pp. xviii, 41. Cambridge Greensand ; 

 Camhndge. [Vertebrae.] 



P. ichthyosiwndylus, v. Cimoliosaurus bemardi. 



P. macropterus, v. Eretmosaurus macropterus. 



P. megadeirus, v. Cimoliosaurus trochanterius. 



P. niicrodeirus, H. G. Seeley, Index to Aves, etc., Woodw. Mus. 

 (1869), pp. xviii, 44. Cambridge Greensand; Cambridge. 

 [Portions of skeleton.] 



P. pachyomus, v. Cimoliosaurus bernardi, and C. planus. 



P. philarchns, v. Peloneustes philarchus. 



P. planus, v. Cimoliosaurus planus. 



P. platydeirus, H. G. Seeley, Index to Aves, etc., Woodw. Mus. 

 (1869), pp. xviii, 41. Cambridge Greensand; Cambridge. 

 [Vertebiffi.] 



P. pwdlospovdylus, H. G. Seeley, Index to Aves, etc. Woodw. Mus. 

 (1869), pp. xviii, 48. Cambridge Greensand; Cambridge. 

 [Vertebra-.] 



P. sterrodeirus, v. Peloneustes 8e(|ualis. 



P. nrinspitensis, v. Cimoliosaurus portlandicus. 



P. sp., W. Keeping, Foss. Upware and Brickhill (1883), pi. i, 

 f. 3 a, b, p. 78. Lower Greensand ; Brickhill. [Vertebra.] 



P. sp. (? neocomiensis, Campiche), W. Keeping, Foss. Upware and 



Brickhill (1883), pi. i, f 2 a, b, p. 78. Lower Greensand; 



Upware. [Vertebra.] 

 Pleurosternon oweni, H. G. Seeley, Index to Aves, etc., Woodw. 



Mus. (186!J), pp. xix, 87. Purheck Beds; Swanage. [Carapace.] 

 P. BedgwicM, H. G. Seeley, Index to Aves, etc., Woodw. Mus. 



(1869), pp. xix, 86. Purbeck Beds ; Swanage. [Carapace.] 

 P. tjrpocardium, H. G. Seeley, Index to Aves, etc., Woodw. Mus. 



(18G9), pp. xix, 87. Purbeck Beds ; Swanage. [Carapace.] 

 P. vansittarti, H. G. Seeley, Index to Aves, etc. Woodw. Mus. 



(1869), pp. xix, 86. Purbeck Beds ; Swanage. [Carapace.] 



