276 BRITISH FOSSIL VERTEBRATA. 
POLYCOTYLUS, Cope. v. Cimoliosaurus. 
POLYOSTINUS, T. Hawkins, Great Sea Dragons, 1840. = 
Ichthyosaurus (v. I. chiropolyostinus). 
POLY PTYCHODON, R. Owen, Rep. Brit. Assoc., 1841 (1842), 
p- 156, and Paleontology, ed. 2, 1861, p. 255 ; H. G. Seeley, 
Quart. Journ. Geol. Soc., vol. xxxi1, 1876, p. 433 (vertebre) ; 
W. Davies, Proc. Geol. Assoc., vol. x (1888), p. 277, foot- 
note 4. [See also Dinodocus.| 
continuus, R. Owen, Odontography (1841), descr. to pl. Ixxii, 
f. 3, and Rept. ‘Cret.. Form. (Pal. Soc., 1851)p.'47, pl. xiv, 
f. 4-6; J.. Morris, Cat. Brit. Foss.,) 1854, (ie i3)52-5hueae 
Sauvage, Mém. Soc. Géol. France [3] vol. ii, art. 4, 1882, 
p. 28; R. Lydekker, Cat. Foss. Rept. B. M., pt. 1, 1889, 
p. 179. [See also Dinodocus mackesont.] 
Loc. L Greensand ; Hythe and Maidstone. Cambridge Green- 
sand. L. Chalk; Frome, Somersetshire, and Vanchurch. 
U. Chalk; Kent. [Tooth.] 
ferox, Sauvage. v. Pliosaurus ferox. 
interruptus, R. Owen, Odontography (1841), descr. to pl. Ixxii, 
f. 4, and in F. Dixon, Geol. Sussex, 1850, p. 378, pl. xxxvii, 
f. 16, 17, pl. xxxviii, f. 3, and zézd., ed. 2, 1878, p. 421, pl. xxx 
[33], 22.23) etc., and Rept. Cret. Form. (Pal. Soc., 1851), 
p- 55, pl. x, f. 7-9, pl. xi, pl. xiv, f. 1, 2, and zé¢@., Suppl. ii 
(Pal, Soe:, 1861), p.,20, pl. iv, fan 3, pls. v, vi, and Quart. 
Journ. Geol. Soc., eos xvi, 1860, p: 262; J Mortis, Cat. Brit. 
Foss., 1854, p. 353 ; ne Seeley, Quart. Journ. Geol. Soc., 
vol. XXx<ii, 1876, p. 436; A. S. Woodward, Proc. Geol. Assoc., 
vol. x (1889), Pp: 277 ; R. Lydekker, Cat. Foss. Rept. B. M., 
pt. 11, 1889, p. 173, woodcut 58. 
Plectronites maximus corticeus, Luidius, Lithophyl. Brit., 1760, 
p. 66, pl. xvi, f. 1318. 
Loc. U. Chalk; Burham, Charing, Cuxton, Dover, Halling, 
Maidstone, and Rochester, Kent ; Falmer, Glynde, Lewes, 
and Steyning, Sussex. L. Chalk ; Burham, Charing, Dover 
and Folkestone, Kent; Houghton and Lewes, Sussex ; 
Dorking, Surrey. U. Greensand; Warminster. Gault ; 
Folkestone. Cambridge Greensand. [Teeth.] T. 
mackesoni, Owen. v. Dinodocus mackesoni. 
PRIODONTOGNATHUS, H.G. Seeley, Quart. Journ. Geol. 
Soc., vol. xxx1, 1875, p. 439. 
phillipsi, [-ii] H. G. Seeley, 37a, p. 439, pl. xx. 
Loc. Cambridge Greensand. [Maxilla; Woodwardian Mus.] 
PROIGUANA, Filhol. v. Iguana. 
europeana, Filhol. v. Iguana europza. 
