236 BRITISH FOSSIL VERTEBRATA. 
ICHTHYOSAURWUS (continued)— 
campylodon, J. Carter, Rep. Brit. Assoc., 1845 (1846), Sect., 
p. 60, and London Geol. Journ., vol. i, 1846, p. 8, woodcut ; 
R. Owen, Rept. Cret. Form. (Pal. Soc., 1851), p. 69, pls. 
xxli-xxvi, and in F. Dixon, Geol. Sussex, ed. 2, 1878, p. 446, 
pl. xxxix [44], f. 10, and Brit. Foss. Rept., vol. i (1884), p. 223, 
pl. i, f. 1-10, 13-16, pls. ii-iv, vii (Enaliosauria) ; J. Morris, 
Cat. Brit. Foss., 1854, p. 349; R. Lydekker, Cat. Foss. Rept. 
B. M., pt. ii, 1889, p. 15. 
Ichthyosaurus communts ?, R. Owen, in F. Dixon, Geol. Sussex, 
1850, p. 400, pl. xxxix, f. Io. 
Ichthyosaurus compylodon, V. Kiprijanov, Mém. Acad. Imp. 
Sci. St. Pétersbourg, vol. xxviii, art. 8 (1881), p. 33, pls. i-xvi. 
Loc. Cambridge Greensand. Gault; Folkestone. U. Green- 
sand ; Folkestone, Kilmerton, Waddon, and Warminster. 
Chalk-Marl; Trumpington, near Cambridge. L. Chalk; 
Cambridge, Dover, and Folkestone. Chalk; Isleham, near 
Cambridge. [Jaws and teeth ; Woodwardian Mus.] 
chalarodeirus, H. G. Seeley, Index to Aves, etc., Woodwardian 
Mus., 1869, pp. xx, 106 (name only). 
Loc. Kim. Clay; Ely. [Axis vertebra ; Woodwardian Mus.] 
chiroligostinus, Hawkins. v. Ichthyosaurus platyodon. 
chiroparamekostinus, Hawkins. v. Ichthyosaurus com- 
munis and I. intermedius. 
chiropolyostinus, Hawkins. wv. Ichthyosaurus communis and 
I. intermedius. 
chirostrongulostinus, Hawkins. 7. Ichthyosaurus tenuirostris. 
communis, W. D. Conybeare, Trans. Geol. Soc. [2] vol. i (1822), 
p. 108, pl. xv, f. 8, 13, pl. xvi, f. 9-14; W. Buckland, Geol. 
and Mineral., ed. 2, 1837, p. 170, pl. viii, f. 1; R. Owen, 
Rep. Brit. Assoc., 1839 (1840), p. 108, and Trans. Geol. 
Soc. [2] vol. vi (1841), p. 199, pl. xx, and Odontography, 
(1841), p. 276, pl. Ixiv B, f. 3, pl. Ixxi, f. 4, 7-9, and Rept. 
Liassic Form., pt. iii (Pal. Soc., 1881), p. 111, pl. xxiv, f. 2, 5, 
pli xxviii, f. 1,4, pl. xxx, £. 3-5; J. C. Pearce; AnnouMas. 
Nat. Hist., vol. xvii, 1846, p. 44 (7. communis ?) ; J. Morris, 
Cat. Brit. Foss., 1854, p. 349 ; S. Haughton, Man. Geology, 
1865, p. 272, woodcut 35 ; V. Kiprijanov, Mém. Acad. Imp. 
Sci. St. Pétersbourg, vol. xxviii, art. 8 (1881), p. 98, pl. ix, f. 12; 
R. Lydekker, Cat. Foss. Rept. B. M., pt. ii, 1889, p. 41, 
woodcuts I, 19-21. [See also 7. campylodon.] 
Ichthyosaurus chiropolyostinus, T. Hawkins, Mem. Ichthyosauri, 
1834, pls. vii, ix-x1, and Sea Dragons, 1840, pls. vil, 1x—x1. 
[Skeleton ; Brit. Mus.] 
Ichthyosaurus chiroparamekostinus, T. Hawkins, thd. 1834, 
pl. xviii, and zdzd., 1840, pl. xviii. 
Loc. L. Lias; near Bath, Bristol, and Street, Somersetshire ; 
Barrow-on-Soar, Leicestershire ; Charmouthand Lyme Regis, 
Dorsetshire; and Yorkshire. [Tooth; Geol. Soc. London.] T. 
