PISCES. 51 
CTENODUWUS (continued)— 
alatus, L. Agassiz, Poiss. Foss., vol. iti (1843), p. 174 (name only). 
Loc. U. Coal-Meas.; Ardwick, Manchester. [Tooth ; unknown. | 
angustulus, R. H. Traquair, Geol. Mag. [2] vol. viii, 1881, p. 36. 
Loc. M. Carb. Limest. (Blackhand Ironstone); Borough Lee, 
near Edinburga. [Cvooth ; Edinburgh Mus. ] 
caudatus, W. J. Barkas, Proc. Roy. Soc. N.S. Wales, vol. x, 
1877, p. 109, pl., f. 9. 
Loc. Coal-Meas.; Northumberland. [Tooth ; W.J. Barkas Coll.] 
conecavus, T. P. Barkas. wv. Ctenodus cristatus. 
corrugatus, T. Atthey, Ann. Mag. Nat. Hist. [4] vol. i, 1868, 
p. 84; A. Hancock and T. Atthey, Nat. Hist. Trans. 
Northumb. and Durham, vol. ili (1870), p. 62; W. J. 
Barkas, Proc. Roy. Soc. N. S. Wales, vol. x, 1877, p. 106. 
Loc. Coal-Meas.; Newsham. [Tooth ; Newcastle-upon-Tyne 
Mus. | 
cristatus, L. Agassiz, Poiss. Foss., vol. iii (1838), p. 137, pl. xix, 
f. 16; J. Morris, Cat. Brit. Foss., 1854, p. 323; I. Atthey, 
Ann. Mag. Nat. Hist. [4] vol. i, 1868, p. 83; A. Hancock 
and T. Atthey, Nat. Hist. Trans. Northumb. and Durham, 
vol. iii (1870), pp. 61, 92; J. Ward, [Proc.] N. Staffs Nat. 
Field Club, 1875, p. 244, f. 1, 2, and Trans. N. Staffs. Inst. 
Mining Engineers, vol. x, 1889, pl. iii, f. 3; L. C. Miall, 
Quart. Journ. Geol. Soc., vol. xxx, 1874, p. 772, pl. xlvii, and 
Ann. Mag. Nat. Hist. [4] vol. xv, 1875, p. 436; W. J. Barkas, 
Proc. Roy. Soc. N. S. Wales, vol. x, 1877, p. 102. 
‘Palate,’ J. De C. Sowerby, Zool. Journ., vol. ii, 1826, p. 23, 
| phi, { 2. 
Ctenodus tuberculatus, T. Atthey, Ann. Mag Nat. Hist. [4] vol. i, 
| 1868, p. 83 ; A. Hancock and T. Atthey, Nat. Hist. Trans. 
Northumb. and Durham, vol. iii (1870), p. 61, and zé/d., 
vol. iv (1872), pl. xiv; T. P. Barkas and H. Woodward, Geol. 
Mag., vol. vi, 1869, p. 317, pl. ix; T. P. Barkas, Coal Meas. 
Palzont., 1873, p. 28, f. 83, 84, 92; J. Ward, [Proc.] N. 
Staffs. Nat. Field Club, 1875, p. 246; W. J. Barkas, Proc. 
Roy. Soc. N.S. Wales, vol. x, 1877, p. 104, pl., f. 1, 10, 11, 23. 
[Teeth ; Newcastle-upon-Tyne Mus. ] 
Ctenodus ovatus, T. P. Barkas, Scientific Opinion, vol. ii, 1869, 
p- 557, and Coal Meas. Palaont., 1873, p. 28, f. 89; W. J. 
Barkas, Proc. Roy. Soc. N.S. Wales, vol. x, 1877, p. 108, 
pl. f. 8. [Upper tooth ; T. P. Barkas Coll.] 
Ctenodus concavus, T. P. Barkas, Coal Meas. Palzont., 1873, 
p. 28, f. 88; W. J. Barkas, Proc. Roy. Soc. N. S. Wales, 
vol. x, 1877, p. 106, pl., f. 4. [Abraded upper tooth ; T. P. 
Barkas Coll.] 
Loc. Coal-Meas. ; Yorkshire, Staffordshire, Derby: hire, Nor- 
thumberland, Midlothian, and Lanarkshire. [Tooth; Leeds 
Mus. 
PE 
