REPTILIA. 175 



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

 kins, Esq. 



Plesiosaurus euryspondylus, H. G. Seeley, Index to Aves, etc., 

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

 Cambridge. [Vertebrae.] 



P. ichihyospondylus, v. Cimoliosaurus bernardi. 



P. macropterus, v. Eretmosaurus macropterus. 



P. megadeirus, v. Cimoliosaurus trochanterius. 



P. microdeirus, 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. philarchus, 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. 



[Vertebra?.] 

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



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



[Vertebrae.] 



P. sterrodeirus, v. Peloneustes aequalis. 

 P. ivinspitensis, 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. Lmver Greensand; 



Upware. [Vertebra.] 

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



Mus. (1869), pp. xix, 87. Purbeck Beds; Swanage. [Carapace.] 

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



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

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



(1869), 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.] 



