REPTILIA. 215 
CHELONE (continucd)— 
acuticeps, Owen. v. Lytolomatrigoniceps. [R. Lydekker, Cat. 
Foss. Rept. B. M., pt. 111, 1889, p. 55, remarks :—‘ This name 
would appear to be due to an error, since in the text all the 
specimens (figs. 8, 10, and 18) are referred to Chelone 
longiceps. | 
altimentum, R. Owen, in S. J. Mackie, Geologist, vol. v, 1862, 
p- 74 (name only).* 
antiqua, Koenig. v. Argillochelys antiqua. 
belli, Mantell. v. Hylaochelys belli. 
benstedi (Mantell), Owen. v. Cimoliochelys benstedi. 
breviceps, Owen. v. Argillochelys antiqua and Lytoloma plani- 
mentum. 
camperi, Owen. v. Chelone hoffmanni. 
convexa, Owen. v. Argillochelys convexa, A. cuneiceps, and 
Lytoloma planimentum. 
costata, Owen. vw. Lytoloma crassicostatum, Hylaochelys belli, 
and Plesiochelys sp. 
crassicostata, Owen. v. Lytoloma crassicostatum. 
cuneiceps, Owen. v. Argillochelys cuneiceps. 
declivis, Owen. v. Argillochelys convexa. 
depressimentum, R. Owen, in S. J. Mackie, Geologist, vol. v, 
1862, p. 74 (name only).* 
gigas, Owen. v. Eosphargis gigas. 
harviciensis, Samuel Woodward. v. Lytoloma planimentum. 
? hoffmanni (Gray), R. Lydekker, Cat. Foss. Rept. B. M., pt. iii, 
1889, p. 30. 
Chelonia hoffmanni, J. E. Gray, Syn. Rept., 1831, p. 54. 
Allopleuron hoffmannt, G. Baur, Science, vol. xi, 1888, p. 144. 
‘Large Turtle, P. Camper, Phil. Trans., vol. lxxvi, 1786, p. 451. 
Chelone camperi?, R. Owen, Rept. Cret. Form., pt. i (Pal. Soc., 
1851), p. 9, pl. v; J. Morris, Cat. Brit. Foss., 1854, p. 347. 
Loc. Chalk; Kent. [Portions of carapace ; Brit. Mus. } 
jessoni, R. Lydekker, Quart. Journ. Geol. Soc., vol. xlv, 1889, 
p- 231, woodcut 1, and Cat. Foss. Rept. B. M., pt. iii, 1889, 
p. 30. 
Loc. Cambridge Greensand. [Mandib. symphysis; Brit. Mus.] 
latiscutata, Owen. v. Lytoloma crassicostatum. 
longiceps, Owen. v. Lytoloma longiceps and Chelone acuticeps. 
obovata, R. Owen, Rep. Brit. Assoc., 1841 (1842), p. 170, and 
Brit. Foss. Rept., vol. ii (1884), descr. to pl. ix (Chelonia) ; 
J. Morris, Cat. Brit. Foss., 1854, p. 348. 
Loc. Purbeck ; Swanage. [Shell and limb-bones ; Chaning 
Pearce Coll.] 
* MS. names temporarily given to specimens from the Cambridge Greensand 
in the British Museum. 
