246 BRITISH FOSSIL VERTEBRATA. 
LYTOLOMA (continued)— 
cantabrigiense, R. Lydekker, Quart. Journ. Geol. Soc., vol. 
xlv, 1889, p. 233, woodcuts 2, 3, and Cat. Foss. Rept. B. M., 
pt. iil, 1889, p. 68. 
Loc. Cambridge Greensand. [Mandible ; Brit. Mus.] 
crassicostatum (Owen), R. Lydekker, Proc. Zool. Soc., 1889, 
p. 60, pls. vi, vil, and Cat. Foss. Rept. B. M., pt. ili, 1889, p. 60. 
Chelone crassicostata, R. Owen, Rept. London Clay, pt. i (Pal. 
Soc., 1849), pp. 27, 42, pls. xi-xiii B; J. Morris, Cat. Brit. 
Foss., 1854, p. 347. 
Thalassochelys crasstcostatus, E. D. Cope, Trans. Amer. Phil. 
Soc., vol. xiv (1870), p. 146. 
Puppigerus crassicostatus, E. D. Cope, zbzd., p. 235. 
? Chelone latiscutata, R. Owen, Rep. Brit. Assoc., 1841 (1842), 
p. 179, and Proc. Geol. Soc., vol. iii (1841), p. 574, and 
Rept. London Clay, pt. i (Pal. Soc., 1849), p. 20, pl. vi; 
J. Morris, Cat. Brit. Foss., 1854, p. 348. 
? Puppigerus latiscutatus, E. D. Cope, Trans. Amer. Phil. Soc., 
vol. xiv (1870), p. 235. 
Chelone planimentum, R. Owen, Rep. Brit. Assoc., 1841 (1842), 
p. 178 (pars). [Skull; Brit. Mus.] 
Testudo plana, C. Koenig, Icon. Foss. Sect., 1825, pl. xvii, 
f. 192. [Portion of carapace; Brit. Mus.] 
? Chelone costata, R.Owen(errore), Rept. Weald. and Purb. Form. 
(Pal. Soc., 1853), p. 10, pl. viii, f. 2. [Femur ; Brit. Mus.] 
LOC. ea Clay; Harwich and Sheppey. [Carapace ; Brit. 
Mus. 
longiceps (Owen), R. Lydekker, Cat. Foss. Rept. B. M., pt. iii, 
1889, p. 57. 
Chelone longiceps, R. Owen, Rep. Brit. Assoc., 1841 (1842), 
pp. 162, 177, and Proc. Geol. Soc., vol. iii (1841), p. §72, 
and Rept. London Clay, pt.i (Pal. Soc., 1849), p. 16, pls 
lii-v, and in F. Dixon, Geol. Sussex, ed. 2, 1878, p. 263, 
pl. xiii, f. 8-10, and Brit. Foss. Rept., vol. 1 (1884), p. 16, 
pls. xii, xiii; J. Morris, Cat. Brit. Foss., 1854, p. 348. 
‘Fossil Tortoise, J. Parkinson, Organic Remains, vol. iil, 1811, 
p. 268, pl. xviii, f. 2. [Carapace and plastron; Brit. Mus.] 
‘Emyde de lisle Sheppey,’ Cuvier, Ossem. Fossiles, ed. 2, vol. v, 
pt. il, 1824, p. 235, pl. xv, f. 13. [Immature shell; Brit. Mus.]} 
Emys parkinsonit, J. E. Gray (pars), Syn. Rept., 1831, p. 33- 
[ Idem. ] 
Clemmys ? parkinsonii, L. Fitzinger, Ann. Wien. Mus., vol. i, 
1835, p. 126. 
Puppigerus longiceps, E. D. Cope, Trans. Amer. Phil. Soc., 
vol. xiv (1870), p. 235. T. (Puppigerus.) 
Pachyrhynchus longtceps, L. Dollo, Bull. Mus. Roy. Hist. Nat. 
Belge, vol. iv (1886), p. 138. 
Loc. London Clay; Sheppey. [Skull.] 
