REPTILIA. 291 



THAUKATOSAUSUS {continued) — 



meg-acephalus (Stutchbury), R. Lydekker, Cat. Foss. Rept. 

 B. M., pt. ii, 1889, p. 166. 

 Plesiosaurus megacephalus, S. Stutchbury, Quart. Journ. Geol. 

 Soc, vol. ii, 1846, p. 412, pi. xviii ; J. Morris, Cat. Brit. Foss., 

 1854, p. 352 ; W. J. Sollas, Quart. Journ. Geol. Soc, vol. 

 xxxvii, 1881, p. 472, woodcuts 8-13. 

 LOC. L. Lias ; Somersetshire. [Skeleton ; Bristol Mus.] 

 pliilarclius (Seeley), Lydekker. v. Peloneustes philarchus. 



propinquus (Blake), R. Lydekker, Cat. Foss. Rept. B. M., pt. ii, 



1889, p. 170. 



Plesiosaurus propinquus, J. F. Blake, in Tate and Blake, York- 

 shire Lias, 1876, p. 247, pi. ii, f. 1. 



Plesiosaurus simpsoni, J. F. Blake (errore), ibid, (index of syn- 

 onyms, p. 1). 



Plesiosaurus ma'-roceplialus ?, A. Carte and W. H. Bail)', Journ. 

 Roy. Dublin Soc, vol. iv, 1863, p. 169 (table of measurements). 



LOC. M. Lias ; Bugbrook. U. Lias ; Crick, Northamptonshire, 

 and Whitby. [Skeleton ; Whitby Mus.] 



zetlandicus (Phillips), R. Lydekker, Cat. Foss. Rept. B. M., 

 pt. ii, 1889, p. 167. 

 Plesiosaurus zetlandicus, J. Phillips, Rep. Yorksh. Phil. Soc, 

 1852 (1853), p. 7 (name only) (misquoted P. zetlanli on p. 21), 

 and ibid., 1853 (1854), p. 7 ; A. Carte and W. H. Baily,Journ. 

 R. Dublin Soc, vol. iv, 1863, p. 169 (table of measurements); 

 J. F. Blake, in Tate and Biake, Yorkshire Lias, 1876, p. 249, 

 pi. i, f. 5 (P. zetlandi). 

 LOC. U. Lias ; Lofthouse. [Skeleton ; York Mus.] 



THECODONTOSAUBUS, H. Riley and S. Stutchbury, Proc 



Geol. Soc, vol. ii (1836), p. 398 ; R. Owen, Rep. Brit. Assoc, 



1841 (1842), p. 153. 



antiquus, J. Morris, Cat. Brit. Foss., 1843, p. 211; R.Owen, 



Palaeontology, ed. 2, 186 1, p. 275 ; R. Lydekker, Cat. Foss. 



Rept. B. M., pt. i, 1888, p. 175. 



Thecodontosaurus, H. Riley and S. Stutchbury, Trans. Geol. 



Soc. [2] vol. v (1840), p. 349, pi. xxix, f. 1-3 ; T. H. Huxley, 



Quart. Journ. Geol. Soc, vol. xxvi, 1870, p. 43, pi. iii, f. 1, 2, 5-8. 



LOC. U. Trias (Dolomitic Conglomerate) ; Durdham Down, 



Bristol. [Mandib. ramus ; Bristol Mus.] T. 



platyodon (kiley and Stutchbury), T. H. Huxley, Quart. Journ. 

 Geol. Soc, vol. xxvi, 1870, p. 43 ; R. Lydekker, Cat. Foss. 

 Rept. B. M., pt. i, 1888, p. 174, woodcut 30. 



Palceosaurus platyodon, H. Riley and S. Stutchbury, Proc Geol. 

 Soc, vol. ii (1836), p. 398, and Trans. Geol. Soc [2] vol. v 

 (1840), p. 352, pi. xxix, f . 5 ; R. Owen, Odontography (1841), 

 p. 267, pi. lxiiA, f. 7 ; J. Morris, Cat. Brit. Foss., 1854, p. 351. 



LOC. U. Trias (Dolomitic Conglomerate) ; Durdham Down, 

 Bristol. [Tooth ; Bristol Mus.] 



