PISCE. 123 
* Murena ? lewesiensis,’ G. A. Mantell, Foss. South Downs, 
1822, p. 232, pl. xxxiv, f. 11, pl. xl, f. 2. (Same specimens 
figured as Dercetis elongatus by L. Agassiz, Poiss. Foss., 
vol. ii, pt. ii (1843), pl. Ixvi a, f. 3, 4.) = Worm-burrows 
from the Chalk, lined with various scales of fishes (W. 
Davies, Geol. Mag. [2] vol. vi, 1879, p. 145.) [Brit. Mus.] 
MYLACODUS, Davis. wv. Copodus. 
quadratus, Davis. v. Copodus spatulatus. 
sesamini, Davis. v7. Copodus spatulatus. 
variabilis, Davis. v. Copodus variabilis. 
MYLAX, Davis. wv. Copodus. 
batoides, Davis. v. Copodus oblongus. 
MYLIOBATIS, Cuvier (ex Duméril), R¢gne Animal, vol. ii, 1817, 
p. 137. [A7yliobates, auct.] 
acuta, [-us]L. Agassiz, Poiss. Foss., vol. iii (1843), p. 331, pl. xlvy, 
f. 14-17 ; [-us] J. Morris, Cat. Brit. Foss., 1854, p. 333. 
Loc. London Clay ; Sheppey. [Spine ; 0/77 J.S. Bowerbank Coll.] 
canaliculata, [-us] L. Agassiz, Poiss. Foss., vol. iii (1843), p. 331; 
pl. xlv, f. 18-20 ; [-us] J. Morris, Cat. Brit. Foss., 1854, p. 333- 
Loc. London Clay ; Sheppey. [Spine ; 0/77 J.S. Bowerbank Coll.} 
colei, L. Agassiz, Poiss. Foss., vol. iii (1843), p. 325 (name only). 
Loc. London Clay ; Sheppey. [Teeth.] 
contractus, Dixon. wv. Myliobatis dixoni. 
dixoni, L. Agassiz, Poiss. Foss., vol. ili (1843), p. 319; F. Dixon, 
Geol. Sussex, 1850, p. 198, pl. x, f. 1, 2, pl. xi, f. 14, pl. xii, 
f. 3; J. Morris, Cat. Brit. Foss., 1854, p. 333; A. S. Wood- 
ward, Ann. Mag. Nat. Hist. [6] vol. 1, 1888, p. 41, pl. i, f. 1-4, 
and Cat. Foss. Fishes Bb. M., pt. i, 1889, p. 1c9, woodcut 4. 
Myliobatis heteropleurus, L. Agassiz, Poiss. Foss., vol. ili (1843), 
p. 323, pl. xlvii, f. 6-8; J. Morris, Cat. Brit. Foss., 1854, 
p- 333. [Lower teeth ; Brit. Mus.] 
Myliobatis contractus, ¥F. Dixon, Geol. Sussex, 1850, p. 209, 
pl. xi, f. 17 ; J. Morris, Cat. Brit. Foss., 1854, p. 333. [Lower 
teeth; Brit. Mus.] 
Myliobatis striatus, F. Dixon (zon Agassiz), Geol. Sussex, 1850, 
descr. to pl. xii, f. 2. [Lower teeth ; Brit. Mus. ] 
Loc. Bracklesham Beds; Sussex. Barton Clay ; Hampshire, 
[Upper teeth ; Brit. Mus.] 
edwardsi, Dixon. v. Myliobatis striata. 
goniopleurus, L. Agassiz, Poiss. Foss., vol. iii (1843), p. 31%, 
pl. xlvii, f. 9, 10; J. Morris, Cat. Brit. Foss., 1854, p. 333; 
A. S. Woodward, Ann. Mag. Nat. Hist. [6] vol. 1, 1888, p. 44, 
and Cat. Foss. Fishes B. M., pt. i, 1889, p. 115, pl. iii, f. 5. 
Loc. London Clay; Sheppey. Bracklesham Beds ; Sussex, 
[Teeth ; Brit. Mus.]} 
