PISCES. 57 
CYCLOPTYCHIUS (continued)— 
concentricus, R. H. Traquair, Trans. Roy. Soc. Edinb., vol. 
xxx, 1881, p. 37, pl. ii, f. 17-20. 
Loc. Calcif. Sandst. (Cement-stone Group); Glencartholm, 
Eskdale. [Fishes ; Geol. Surv. Scotland.] 
CYNOPODIUS, R. H. Traquair, Geol. Mag. [2] vol. viii, 1881, 
P- 35- 
crenulatus, R. H. Traquair, thid., p. 35, and 7b7d., vol. ix, 1882, 
p. 541. Figure in forthcoming Cat. Foss. Fishes B. M., 
pt 2i, pl. 1, fix 
Loc. L. Carb.; Scottish Coalfield. [Dermal spines ; Edinburgh 
Mus. ] rT. 
CYRTONODWUS, J. W. Davis, Quart. Journ. Geol. Soc., vol. xl, 
1884, p. 630; A. S. Woodward, Cat. Foss. Fishes B. M., 
pt. i, 1889, p. 216. 
gibbus, J. W. Davis, Quart. Journ. Geol. Soc., vol. xl, 1884, 
p. 631, pl. xxvii, f. 1, 6. 
Loc. Yoredale Rocks ; Wensleydale, Yorkshire. [Teeth; York 
Mus. ] T. 
hornei, A. S. Woodward, Cat. Foss. Fishes B. M., pt. i, 1889, 
p. 216, pl. vi, f..26. 
Loc. U. Carb. Limest. (incl. Yoredale Rocks) ; Richmond and 
Wensleydale, Yorkshire. [Tooth ; Brit. Mus.] 
DACTYLODUS, Newberry and Worthen. v. Polyrhizodus. 
DAPEDIUS, H.T. De la Beche, Trans. Geol. Soc. [2] vol. 1 (1822), 
p-. 45 (Dapediun). 
TETRAGONOLEPIS, L. Agassiz (zo Bronn), Poiss. Foss., vol. ii, 
pt. 1 (1835), p. 181. 
ZECHMODUS, P. M. G. Egerton, Quart. Journ. Geol. Soc., vol. x, 
1854, p. 367, (withdrawn Palzont. Indica [4] vol. i, pt. 2, 
1878, p. 8.) 
angulifer : Tetragonolepis angulifer, 1 . Agassiz, Poiss. Foss., 
vol. ii, pt. 1 (1837), p. 213, pl. xxiii. 
AE chmodus angult, ar (P. M. G. Egerton, Quart. Journ. Geol. Soc., 
volex, 1854, p . 367), J. Morris, Cat. Brit. Foss., 1854, p. 316. 
Tetragonole pis oe L. Agassiz, Neues Jahrb., 1832, p. 147, 
and Poiss. Foss., vol. ii, pt. i (1833), p. 7 (name only). 
LOC! -Lias ; eeaniéed-ons Aven: [Fish ; oli Weaver Coll. 
Birmingham. ] 
arenatus, L. Agassiz, Poiss. Foss., vol. ii, pt. i (1843), p. 304 
(name only). 
Loc. L. Lias ; Lyme Regis. 
colei, L. Agassiz, Poiss. Foss., vol. ii, pt. i (1835), p. 195, pl. xxv 4, 
f. 1-7, pl. xxv ¢; J. Morris, Cat. Brit. Foss., 1854, p. 324. 
Loc. L. Lias ; Lyme Regis. Imperfect fish; Brit. Mus.] 
