PISCES. 187 
SPINAX, Cuvier, Régne Animal, vol. ii, 1817, p. 129. 
major, L. Agassiz, Poiss. Foss., vol. ili (1837), p. 62, pl. x 4, f. 8, 
10-14 (? pl. xl a, f. 6, vertebrie). Dorsal fin-spines of un- 
determined species of Cestraciont Sharks, genera Cestraczon 
and Syzechodus (A. S. Woodward, Cat. Foss. Fishes B. M., 
pt. i, 1889, p. 337). 
Loc. Gault; Folkestone. U. Greensand; Maidstone. Cam- 
bridge Greensand. Chalk; S.and S.E. England. [Brit. Mus.] 
SQUALORAJA, H. Riley, Proc. Geol. Soc., vol. 1 (1833), p. 484, 
and Trans. Geol. Soc. [2] vol. v (1837), p. 83 (Sgzalo-raia). 
SPINACORHINUS, L. Agassiz, Poiss. Foss., Feuill., p. 94 (1837). 
polyspondyla, L. Agassiz, Poiss. Foss., vol. iii (1843), p. 381; 
J. Morris, Cat. Brit. Foss., 1854, p. 345 ; W. Davies, Geol. 
Mag., vol. ix, 1872, p. 145, pl. iv; C. Hasse, Palzonto- 
graphica, vol. xxxi (1885), p. 4, pl. i, f. 2, 3; A. S. Wood- 
ward, Proc. Zool. Soc., 1886, p. 527, pl. lv, f. 1-5, 7, 8. 
Sgualoraia dolichognathus, H. Riley, Proc. Geol. Soc., vol. i 
(1833), p. 483, and Trans. Geol. Soc. [2] vol. v (1837), p. 83, 
pl. iv. 
Spinacorhinus polyspondylus, L. Agassiz, Poiss. Foss., Feuill., 
p. 94 (1837), and vol. 111 (1836), pls. xlii, xiii. 
Loc. L. Lias; Lyme Regis. [Imperfect skeleton; Bristol 
Mus. ] T. 
tenuispina, A. S. Woodward, Proc. Zool. Soc., 1886, p. 530, 
pl. lv, f. 6. 
Loc. L. Lias; Lyme Regis. [Head-spine; Brit. Mus.] 
SQUATINA, A. Duméril (ex Aldrovandi), Zool. Analyt., 1806, p. 102. 
cranei, A. S. Woodward, Quart. Journ. Geol. Soc., vol. xliv, 1888, 
p- 144, pl. vii, f. 1-6, and Proc. Geol. Assoc., vol. x (1888), 
p. 294, and Cat. Foss. Fishes B. M., pt. i, 1889, p. 70. 
? ‘Tooth of Squaloid Fish, F. Dixon, Geol. Sussex, 1850, descr. 
{0 pl xxx, f 35. 
Loc. L. Chalk ; Sussex. [Head, etc.; Brighton Mus.] 
sp. ind. Teeth of undetermined species recorded from the Gault 
of Folkestone; U. Chalk of Brighton, Lewes, and Norwich ; 
Lower Eocene of Chislehurst, Kent ; London Clay of High- 
gate ; and the Red Crag of Suffolk (A. S. Woodward, Cat. 
Foss. Fishes B. M., pt. i, 1889, p. 71). Vertebre also re- 
corded from the Chalk of Dorking, Surrey (zé¢d.). [Brit. Mus.] 
STAGONOLEPIS, Agassiz. Transferred to REPTILIA. 
robertsoni, Agassiz. Transferred to REPTILIA. 
STEGANODICTYUM, F. M‘Coy, Ann. Mag. Nat. Hist. [2] 
vol. viii, 1851, p. 481, and Brit. Palzoz. Foss. (1855), descr. 
to pl. ii A; J. W. Salter, Geol. Mag., vol. v, 1868, p. 247 
(‘=Preraspis’); C. W. Peach, Geol. Mag., vol. v, 1868, p. 568. 
