REPTILIA. 247 



LYTOLOMA {continued)— 



planimentum (Owen), R. Lydekker, Cat. Foss. Rept. B. M.» 



pt. iii, 1S89, p. 64. [See also L. crassicostatumI\ 

 Chelone planimentum, R. Owen (pars), Rep. Brit. Assoc, 1841 



(1842), p. 178, and Proc. Geol. Soc, vol. iii (1841), p. 576, 



and Rept. London Clay, pt. i (Pal. Soc, 1849), pp. 25, 40, 



pis. ix, x, x A, and Brit. Foss. Rept., vol. i (1884), p. 25, pis. 



xviii, xix (Chelonia) ; J. Morris, Cat. Brit. Foss., 1854, p. 348. 

 Chelone breviceps, R. Owen (pars), Rept. London Clay, pt. i 



(Pal. Soc, 1849), P- IO > pl- "> an d Brit. Foss. Rept., vol. ii 



(1884), pis. i,xvi, xvii, f. 6 (Chelonia). [Skeleton; Brit. Mus.] 

 Chelone convexa, R. Owen (pars), Rept. London Clay, pt. i (Pal. 



Soc, 1849), p. 22, pi. vi, f. 4, pi. vii, f. 3. [Mandible.] 

 Thalassochelys planimentum, E. D. Cope, Trans. Amer. Phil. 



Soc, vol. xiv (1870), p. 146. 

 Pachvrhynchus planimentum, L. Dollo, Bull. Mus. Roy. Hist. 



Nat. Beige, vol. iv, 1886, p. 138. 

 Puppigertis breviceps, E. D. Cope (pars), Trans. Amer. Phil. 



boc, vol. xiv (1870), p. 235. 

 Chelor.ia harvicensis, S. Woodward, Syn. Tab., 1830, p. 38, pi. 

 Glossochelys harvicensis, H. G. Seeley, Ann. Mag. Nat. Hist. [4] 



vol. viii, 1 87 1, p. 232, woodcut. T. (Glossochelys.) 



Emys parkinsonit, J. E. Gray (pars), Syn. Rept., 183 1, p. 33. 



[Skull ; olim F. Dixon Coll.] 

 1 Fossil head of tortoise,' J. Parkinson, Organic Remains, vol. iii, 



181 1, p. 270, pi. xviii, f. 3. 

 LOC. London Clay ; Harwich and Sheppey. [Skull ; Wood- 



wardian Mus.] 



trig-oniceps (Owen), R. Lydekker, Cat. Foss. Rept. B. M., pt. iii, 



1889, p. 53. 

 Chelo?ie trigoniccps, R. Owen, Rept. London Clay, pt. i (Pal. 



Soc, 1849), P- 3L an d in F. Dixon, Geol. Sussex, 1850, p. 218, 



pi. xiii, f. 4-7, 11 (11011 8-10), and ed. 2, 1878, p. 263, pi. xiii 



[14], f. 4-7 and 11 (8, 9, and 10, referred to C. longiceps); 



J. Morris, Cat. Brit. Foss., 1854, p. 348. 

 Chelone acuticeps, R. Owen, Brit. Foss. Rept., vol. ii (1884), 



descr. to pi. xxv, f. 8, 10, 18 (Chelonia). 

 Pachyrhynchus trigoniceps, L. Dollo, Bull. Mus. Roy. Hist. Nat. 



Beige, vol. iv (1886), p. 138. 

 Chelone sp., R. Owen, Rept. London Clay, pt. ii (Pal. Soc, 1S50) 



descr. to pi. xxix, f. 3, 4. [Quadrate bone, etc. ; Brit. Mus.' 

 LOC. Bracklesham Beds. [Cranium.] 



sp., R. Lydekker, Cat. Foss. Rept. B. M., pt. iii, 1889, p. 68. 



Chelone sp., R. Owen, Rept. Cret. Form. (Pal. Soc, 185 1), 



p. 1 1, pJ. vii a, f. 4, 5. 

 Euclastes sp., L. Dollo, Ann. Soc. Geol. Nord, vol. xv, 1888, p. 122. 

 LOC. Chalk ; Hailing, Kent. [Mandible ; Brit. Mus., no. 391 13.] 



