264 BRITISH FOSSIL VERTEBRATA. 



PETROSUCHUS, R. Owen, Rept. Weald, and Purb. Form., 

 Suppl. viii (Pal. Soc, 1878), p. 10. 



laevidens, R. Owen, ibid., p. 10, pi. vi ; R. Lydekker, Cat. Foss. 

 Rept. B. M., pt. i, 1888, p. 89. 

 LOC. M. Purbeck ; Swanage. [Skull, wanting extremity of snout ; 

 Brit. Mus.] T. 



FKOLIDOSAUSUS, H. von Meyer, Neues Jahrb., 1841, p. 443. 



Macrorhynchus, W. Dunker, Program. hoch-Gewerbschule 

 in Cassel, 1844, p. 44. 



meyeri (Dunker), R. Lydekker, Geol. Mag. [3] vol. iv, 1887, p. 311, 

 and Cat. Foss. Rept. B. M., pt. i, 1888, p. 88. 



Macrorliynchus meyeri, W. Dunker, Program. hoch-Gewerb- 

 schule in Cassel, 1844, p. 44 ; H. von Meyer, in W. Dunker, 

 Monogr. norddeutsch. Wealdenbildungen, 1846, p. 74, pi. xx 

 (non f. c). 



LOC. Wealden ; Brook, I. of Wight. [Occiput, vertebra, and 

 scutes; Brit. Mus.] 



FLACOSAURUS, P. Gervais, Zool. et Pal. Franc., ed. i, 1848-52, 

 p. 260. 



? marg-ariticeps (Gervais), R. Lydekker, Geol. Mag. [3] vol. v, 

 1888, p. in, and Cat. Foss. Rept. B. M., pt. i, 1888, p. 279, 

 woodcut 62. 



/ r aranus ? margariticeps, P. Gervais, Zool. et Pal. Gdnerales, 

 se"r. 2, 1876, p. 60, woodcut. 



LOC. U. Eocene; Hordwell. [Vertebra; Brit. Mus.] 



JPLASTHEMYS, Owen. v. Hylaeochelys. 

 lata, Owen. v. Hylaeochelys lata. 



PLATECARPUS, E. D. Cope, Proc. Boston Soc. Nat. Hist., vol. 

 xii, 1869, p. 264. 



? sp., R. Lydekker, Cat. Foss. Rept. B. M., pt. i, 1888, p. 271. 



LOC. Chalk ; Sussex. [Dental crown ; Brit. Mus., no. 39424-] 



PLATEMVS, A. Wagler, Syst. Amphib., 1830, p. 135. 



bowerbankif Owen. v. Podocnemis bowerbanki and Pseudo- 



trionyx delheidi. 

 bullocki, Owen. ?'. Pleurosternum bullocki. 

 concinna (Owen), Maack. v. Pleurosternum bullocki. 

 tlixoni, Owen. v. Hylaeochelys belli. 



emarginata (Owen), Maack. v. Hylaeochelys emarginata. 

 latiscutata (Owen), Maack. v. Hylaeochelys latiscutata. 

 inantelli, Owen. v. Hylaeochelys belli. 

 ovata (Owen), Maack. v. Pleurosternum bullocki. 



