REPTILIA. 275 



PLIOSAUSUS (continued)— 



trochanter ius, Owen. v. Cimoliosaurus trochanterius and 

 Machimosaurus mosse. 



sp., R. Owen, Rep. Brit. Assoc, 1841 (1842), p. 64 ; J. Morris, Cat. 

 Brit. Foss., 1854, p. 352. 

 LOC. Speeton Clay ; Speeton. [Humerus ; York Mus.] 



PODOCNESIIS, J. Wagler, Syst. Amphib., 1830, p. 135. 



bowerbanki (Owen), E. D. Cope, Trans. Amer. Phil. Soc, 



vol. xiv (1870), p. 156 ; R. Lydekker, Cat. Foss. Rept. B. M., 



pt. iii, 1889, p. 171. 

 Platemys bowerbanki, [-ii] R. Owen, Fep. Brit. Assoc, 184 1 



(1842), p. 163, and Rept. London Clay, pt. i (Pal. Soc, 1849), 



p. 66, pi. xxiii (/ton pi. xxix, f. 1,2); J. Morris, Cat. Brit. 



Foss., 1854, p. 35i- 

 Evv.s Icevis, T. Bell, in R. Owen, Rept. London Clay, pt. i (Pal. 



Soc, 1849), p. 70, pi. xxii ; J. Morris, Cat. Brit. Foss., 1854, 



p. 349. [imperfect shell ; Brit. Mus.] 

 Podocneviis Icevis, E. D. Cope, Trans. Amer. Phil. Soc, vol. xiv 



(1870), p. 156. 

 Peltocephahis Icevis, L. Rutimeyer, Neue Denkschr. schweiz 



Ges. Nat., vol. xxv, 1873, p. 159. 

 LOC. London Clay ; Sheppey. [Imperfect shell ; olim J. S 



Bowerbank Coll.] 



?delabechei (Bell), R. Lydekker and G. A. Boulenger, Geol. Mag 



[3] vol. iv, 1887, p. 274. [? Dacochelys.~\ 

 Emys delabechii, T. Bell, in R. Owen, Rept. London Clay, pt. 



(Pal. Soc, 1849), P- 74> pl- xxviii ; J- Morris, Cat. Brit. Foss., 



1854, p. 349- 

 Emys conybearii, R. Owen, Rept. London Clay, pt. i, Suppl. i 



(Pal. Soc, 1858), p. 77, pis. xiii, xiv (numbered and quoted 



as xxviii A, xxviii b). [Imperfect shell ; Brit. Mus.] 

 Dacochelys delabechei (? Bell), R. Lydekker, Cat. Foss. Rept. 



B. M., pt. iii, 1889, p. 173. 

 LOC. London Clay; Sheppey. [I mperfect shell; Mus. Pract. Geol.] 

 Icevis, Cope. v. Podocnemis bowerbanki. 



PCEKILOPLEURON, Deslongchamps. v. Aristosuchus and 

 Megalosaurus. 

 bucklandi, Deslongchamps. v. Megalosaurus bucklandi and 



M. oweni. 

 pnsillus, Owen. v. Aristosuchus pusillus. 



POL ACANTHUS, R. Owen, in W. Fox, Rep. Brit. Assoc, 1865 

 (1866), Sect., p. 56 ; J. W. Hulke, Phil. Trans., 1881, p. 653. 

 foxl, J. W. Hulke, ibid., p. 653, pis. lxx-lxxvi, and ibid., 1887, pt. B, 

 p. 169, pis. viii, ix ; R. Lydekker, Cat. Foss. Rept. B. M., 

 pt. i, 1888, p. 189. 

 LOC. Wealden ; Barnes Chine, I. of Wight. [Dermal armour 

 and associated vertebrae ; Brit. Mus.] T. 



