fee) BRITISH FOSSIL VERTEBRATA. 
GYRODUS cretaceus (comtinued)— 
Spherodus mammillarts, L. Agassiz, tbfd., pt. 1 (1833), p. 15 (pars). 
Gyrodus conicus, ¥. Dixon, Geol. Sussex, 1850, p. 370, pl. xxxii, 
f. 8; J. Morris, Cat. Brit. Foss., 1854, p. 328. [Teeth.] 
Loc. Chalk ; Sussex. [Vomer; Brit. Mus.] 
cuvieri, L. Agassiz, Poiss. Foss.,vol. ii, pt. 11 (1843), p. 230, pl. Ixixa, 
f. 21-23; J. Morris, Cat. Brit. Foss., 1854, p. 328. 
Gyrodus minor, L. Agassiz, Poiss. Foss., vol. 11, pt. ii (1843), 
p. 234, pl. Ixixa, f. 14;-J. Merris, Cat. Brit. “Pess.854, 
p. 328. [Mandib. dentition. ] 
‘Jaw-bone and teeth of a reptile,’ J. Phillips, Geol. Yorkshire, 
1829, p. 124, pl. ii, f. 55. [Type of G. mznor, Agassiz.] 
Loc. Kim. Clay; Ely and Weymouth. Speeton Clay; York- 
shire Coast. [Mandib. dentition. ] 
goweri, P. M. G. Egerton, Quart. Journ. Geol. Soc., vol. xxv, 1869, 
Pp. 379, woodcuts I, 2. 
Loc. M. Jurassic; Culgower, Sutherland. [Trunk; Marcus 
Gunn Coll. and o/m Dunrobin Mus.] 
leevior, L. Agassiz, Poiss. Foss., vol. ii, pt. ii (1843), p. 233, pl. 
Ixix a, f. 12; J. Morris, Cat. Brit. Foss., 1854, p. 328. [Splenial 
dentition of Pycnodus toliapicus from the London Clay of 
Sheppey in Enniskillen Coll., Brit. Mus., erroneously identi- 
fied with this species. | 
Loc. Unknown. [Splenial dentition ; Paris Mus.] 
manmmillaris, Agassiz. v. Gyrodus cretaceus. 
mantelli, Agassiz. v. Ccelodus mantelli. 
minor, Agassiz. v. Gyrodus cuvieri. 
ornatissimus, J. F. Blake, Quart. Journ. Geol. Soc., vol. xxxi, 
1875, p. 223; R. Damon, Geol. Weymouth, ed. 3, 1888, 
Suppl., pl. xi, f. 1-3, 6. [? G. cuviert.] 
Loc. L. Kim. Clay ; Weymouth. [Dentition ; Brit. Mus.] 
perlatus, Agassiz. v. Mesodon bucklandi. 
punctatus, L. Agassiz, Poiss. Foss., vol. ii, pt. ii (1843), p. 231, 
pl. bux a, f. 24. 
Loc. Corallian ; Malton, Yorkshire. [Vomer ; York Mus.] 
trigonus, Agassiz. v. Mesodon trigonus. 
sp.: Spherodus gigas, P. M. G. Egerton (#om Agassiz), Quart. 
Journ. Geol. Soc., vol. xxv, 1869, p. 385, woodcut 5. 
1oc. Kim. Clay ; Kimeridge. [Vomer.] 
GYWROLEPIS, L. Agassiz, Poiss. Foss., vol. ii, pt. i (1833), pp. 6, 
172, and zé7d,, pt. ii (1843), p. 285; R. H. Traquair, Quart. 
Journ. Geol. Soc., vol. xxxiii, 1877, p. 567; W. Dames, 
Palzont. Abhandl., vol. iv, 1888, p. 135. 
albertii, L. Agassiz, Poiss. Foss., vol. ii, pt. i (1835), p. 173, pl. 
xix, f. 1-6, and zd/d., pt. ii (1843), p. 285; R. Etheridge, Proc. 
