148 BRITISH FOSSIL VERTEBRATA. 
PHOLIDOPHORUS (continued)— 
ornatus, L. Agassiz, Poiss. Foss., vol. ii, pt. i (1843), p. 280, pl. 
XXXviil, f. 6, 7; J. Morris, Cat. Brit. Foss., 1854, p. 36. 
Loc. Purbeck ; Swanage. [Fish; Brit. Mus.] 
pachysomus, P. M.G. Egerton, Figs.and Descript. Brit. Organic 
Remains, dec. vi (Mem. Geol. Surv., 1852), no. 4, pl. iv; 
J. Morris, Cat. Brit. Foss., 1854, p. 338. 
Loc. L. Lias; Lyme Regis. [Fish; Brit. Mus.] 
purbeckensis, W. Davies, Geol. Mag. [3] vol. iv, 1887, p. 337, 
pl. x, f. 2-4, and in R. Damon, Geol. Weymouth, ed. 3, 1888, 
Suppl, pls xixye.. 1. 
Loc. L. Purbeck; I. of Portland. [Fish ; Brit. Mus.] 
stricklandi, L. Agassiz, Poiss. Foss., vol. ii, pt. i (1843), p. 284, 
pl. xlii a, f. 3, 4; J. Morris, Cat. Brit. Foss., 1854, p. 338. 
Loc. L. Lias ; Barrow-on-Soar. [Fish; Brit. Mus.] 
Photlidotus leachi (Agassiz), Williamson. v. Dapedius leachi. 
PHOLIDURWS, A.S. Woodward, Proc. Geol. Assoc., voi. xi (1889), 
Par. 
disjectus, A. S. Woodward, zdzd., p. 31, pl. 1, f. 4, 5. 
Loc. U. Chalk; Gravesend. [Portion of tail; Brit. Mus.] T. 
PHRICACANTHUS, Davis. v. Pleuracanthus. 
biserialis, Davis. v. Pleuracanthus cylindricus. 
PHYLLODUS, L. Agassiz, Poiss. Foss., vol. ii, pt. ii (1843), p. 238 ; 
I. Cocchi, Annali R. Mus. Fis. Stor. Nat. Firenze, n.s., vol. 
i (1866), p. 89. [The following species, or probably varieties, 
are founded upon examples” of the pharyngeal dentition 
obtained from the London Clay of Sheppey, or rarely, in a 
derived state, from the Red Crag of Suffolk. ] 
bowerbanki, |. Cocchi, Annali R. Mus. Fis. Stor. Nat. Firenze, 
n.s., vol. i (1866), p. 100, pl. ii, f. 2, 3. [Brit. Mus.] 
colei, I. Cocchi, 2d7d., p. 91, pl. i, f. i. [Brit. Mus.] 
hexagonalis, I. Cocchi, zé/d¢., p. 92, pl.i, f. 2, 3. [Brit. Mus.] 
irregularis, L. Agassiz, Poiss. Foss., vol. ii, pt. 11 (1843), p. 241 
(name only) ; is Cocchi, Ann. R. Mus. Fis. Stor. Nat. Firenze, 
n.s., vol. i (1866), p- 112, pl. iii, f. 7. [Brit. Mus.] 
marginalis, L. Agassiz, Puiss. Foss., vol. ii, pt. ii (1843), p. 240, 
pl. Ixix a, f. 8, 9; J. Morris, Cat. Brit. Foss., 1854, p- 338 ; 
I. Cocchi, Ann. R. Mus. Fis. Stor. Nat. Firenze, n.s., vol. 1 - 
(1866), p. 98, pl. ii, f. i. [Oxford Mus.] 
medius, L. Agassiz, Poiss. Foss., vol. ii, pt. ii (1843), p. 241 (mame 
only) ; I. Cocchi, Ann. R. Mus. Fis. Stor. Nat. Feeue n.S., 
vol. i (1866), p. 114, pl. ii, £ 10-12. [Brit. Mus.] 
