PISCES. 5 1 



CTENODUS (continued)— 



alatus, L. Agassiz, Poiss. Foss., vo 1 . iii (1843), p. 174 (name only). 



LOC. U. Coal-Meas. ; Ardwick, Manchester. [Tooth ; unknown.] 

 an§rustulus, R. H. Traquair, Geol. Mag. [2] vol. viii, iS8r, p. 36. 



LOC. M. Carb. Limest. (Blackband Ironstone); Borough Lee, 

 near E.iinburga. [Tooth; Edinburgh Mas. J 



caudatus, W. J. Barkas, Proc. Roy. Soc. N. S. Wales, vol. x, 

 1877, p. 109, pi., f. 9. 

 LOC. Coal-Meas.; Northumberland. [Tooth ; W.J. Barkas Coll.] 

 eoncavus, T. P. Barkas. ?'. Ctenodus cristatus. 



corrug-atus, T. Atthey, Ann. Mag. Nat. Hist. [4J vol. i, 1868, 

 p. 84 ; A. Hancock and T. Atthey, Nat. Hist. Trans. 

 Northumb. and Durham, vol. iii (1S70), 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, pi. xix, 

 f. 16; J. Morris, Cat. Brit. Foss., 1854, p. 323 ; 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), pp. 6r, 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, pi. iii, f. 3 ; L. C. Miall, 

 Quart. Journ. Geol. Soc, vol. xxx, 1874, p. 772, pi. 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, 

 pi. ii, f. 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 ibid., 

 vol. iv (1872), pi. xiv ; T. P. Barkas and H. Woodward, Geol. 

 Mag., vol. vi, 1869, p. 317, pi. ix ; T. P. Barkas, Coal Meas. 

 Palaeont., 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, pi., f. 1, 10, 1 1, 23. 

 [Teeth ; Newcastle-upon-Tyne Mus.] 



Ctenodus ovatus, T. P. Barkas, Scientific Opinion, vol. ii, 1869, 

 p. 557, and Coal Meas. Palaeont., 1873, P- 2 8, f. 89 ; W. J. 

 Barkas, Proc. Roy. Soc. N. S. Wales, vol. x, 1877, p. 108, 

 pi., f. 8. [Upper tooth ; T. P. Barkas Coll.] 



Ctenodus concavus, T. P. Barkas, Coal Meas. Palaeont., 1873, 

 p. 28, f. 88 ; W. J. Barkas, Proc. Roy. Soc. N. S. Wales, 

 vol. x, 1877, p. 106, pi., f. 4. [Abraded upper tooth ; T. P. 

 Barkas Coll.] 



LOC. Coal-Meas. ; Yorkshire, Staffordshire, Derbyshire, Nor- 

 thumberland, Midlothian, and Lanarkshire. [Tooth ; Leeds 

 Mus. 



