PISCES: 125 
MYLIOBATIS (continucd)— 
sutwralis, Agassiz. v. Myliobatis toliapica. 
toliapica, [-us] L. Agassiz, Poiss. Foss., vol. ili (1843), p. 321, 
pl. xlvii, f. 15-20 ; [-us] ? F. Dixon, Geol. Sussex, 1850, descr. 
to pl. x, f. 3-5 ; [-us] J. Morris, Cat. Brit. Foss., 1854, p. 333 ; 
[-us] A. S. Woodward, Ann. Mag. Nat. Hist. [6] vol. i, 1888, 
p. 45, and Cat. Foss. Fishes B. M., pt. i, 1889, p. 116. [Spines 
figured by L. Agassiz, Poiss. Foss., vol. iii (1843), p. 331, 
pl. xlv, f. 21-23, and F. Dixon, Geol. Sussex, 1850, pl. x, f. 36.] 
Myliobatis suturalis, L. Agassiz, Poiss. Foss., vol. iii (1843), 
p- 322, pl. xlvi, f. 12-16. 
Myliobatis nitidus, L. Agassiz, Poiss. Foss., vol. iii (1843), p. 325; 
J. Morris, Cat. Brit. Foss., 1854, p. 333. [Teeth ; Brit. Mus. 
Myliobatis striatus, R. Owen (nox Agassiz), Ann. Mag. Nat. 
Hist. [1] vol. xix, 1847, p. 25, woodcut. 
Loc. London Clay; Sheppey.  Bracklesham Beds; Sussex. 
Barton Clay ; Hampshire. [Lower teeth; Brit. Mus.] 
? tumidens, A. S. Woodward, Cat. Foss. Fishes B. M., pt. 1, 1889, 
) p. 119. 
| Loc. Red Crag; Suffelk. [Tooth; Brit. Mus.] 
| MYRIACANTNUS, L. Agassiz, Poiss. Foss., vol. iii (1837), p. 37- 
PROGNATHODUS, P. M. G. Egerton, Quart. Journ. Geol. Soc., 
| vol. xxviii, 1872, p. 236. 
METOPACANTHUS, K. A. von Zittel, Handb. Palzeont., vol. iii 
(1887), p. 110. 
granulatus, L. Agassiz, Poiss. Foss., vol. 11 (1837), p. 40, 
pl.wynia, f16; J. Morris, Cat. Brit. Foss.,'1854, ps 333°; A. 
S. Woodward, Ann. Mag. Nat. Hist. [6] vol. iv, 1889, p. 279. 
Leptacanthus tenuispinus, L. Agassiz, Poiss. Foss., vol. ii 
(8837), p. 27, pl.ijd.. 12, 135) J. Mots, Gat. Brit. Foss., 
1854, p. 332. [Fragment of spine ; Brit. Mus.] 
T. (Lepltacanthus.) 
Ischyodus orthorhinus, P. M. G. Egerton, Quart. Journ. Geol. 
Sve; vol. xxvii, 1871,,p. 275, pl. xii. [Head, ete. ; Bnit. 
Mus.] 
Metopacanthus orthorhinus, WK. A. von Zittel, Handb. Palzont., 
vol. iii (1887), p. 110. T. (MWetopacanthus.) 
Loc. L. Lias; Lyme Regis. [Dorsal fin-spine ; Brit. Mus.] 
paradoxus, L. Agassiz, Poiss. Foss., vol. i (1837), p. 38, pl. vi; 
J. Morris, Cat. Brit. Foss., 1854, p. 333; A. S. Woodward, 
Ann. Mag. Nat. Hist. [6] vol. iv, 1889, p. 279. 
‘External defensive organ,’ H. T. De la Beche, Trans. Geol. Soc. 
[ei vol. 1(1822), p. 44, ph. vy. 5/2. 
Myriacanthus retrorsus, L. Agassiz, Poiss. Foss., vol. iii (1837), 
p- 39, pl. vilia, f. 14, 15; J. Morris, Cat. Brit. Foss., 1854, 
p. 333. [Base of spine; Oxford Mus.]} 
