J-iSCES. 53 



GTENODUS obliquus {continued) — 



Ctenodus monoceros, T. P. Barkas, Coal Meas. Palasont., 1873, 



p. 28, f. 87 ; W. J. Barkas, Proc. Roy. Soc. N. S. Wales, 



vol. x, 1877, p. 107, pi., f. 5. [Tooth; T. P. Barkas Coll.] 

 Ctenodus quadrat us, T. P. Barkas, English Mechanic, vol. xviii, 



(1873), p. 68, woodcuts 1, 2 ; W. J. Barkas, Proc. Roy. Soc. 



N. S. Wales, vol. x, 1877, p. 108, pi., f. 7. [Tooth ; T. P. 



Barkas Coll.] 

 Petalodopsis mirabilis, W. J. Barkas, Monthly Rev. Dental 



Surgery, vol. ii, 1874, p. 538, f. xxx-xxxii, and ibid., vol. iii, 



1875, P- 4? f- xxxiii-xxxv. 

 Vomerine teeth of Ctenodus, T. Atthey, Ann. Mag. Nat. Hist. 



[4] vol. xv, 1875, P- 3 io 5 Pi- x i x > f- 4 5 W. J. Barkas, Proc. 



Roy. Soc. N. S. Wales, vol. x, 1877, p. 115, f. 14-19. 

 ? Sagenodus incequalis, R. Owen, Trans. Odontol. Soc, vol. v, 



1867, p. 365, pi. xii. [Micro, sect, of tooth ; Brit. Mus.] 



T. (Sagenodus.) 

 LOC. Coal -Meas.; Northumberland, Yorkshire, Staffordshire, 



and Lanarkshiie. [Teeth ; Newcastle-upon-Tyne Mus.] 



obliquus, var. quinquecostatus, R. H. Traquair, Geol. 

 Mag. [2] vol. x, 1883, p. 543. 

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

 near Edinburgh. [Tooth ; Edinburgh Mus.] 



obtusus, W. J. Barkas (ex T. P. Barkas), Proc. Roy. Soc. N. S. 

 Wales, vol. x, 1877, p. 108. 

 LOC. Coal-Meas. ; Northumberland. [Tooth ; T. P. Barkas Coll.] 



octodorsalis, T. P. Barkas, Scientific Opinion, vol. ii, 1869, 

 p. 480 ; \V. J. Barkas, Proc. Roy. Soc. N. S. Wales, vol. x, 

 1877, p. 106. 

 LOC. Coal-Meas. ; Northumberland. [Tooth ; T. P. Barkas Coll.] 



ovatiiSf T. P. Barkas. v. Ctenodus cristatus. 

 quadratus, T. P. Barkas. v. Ctenodus obliquus. 

 robertsoni, L. Agassiz, Poiss. Foss., vol. iii (1843), p. 174 (name 

 only). 

 LOC. L. Carb. Limest.; Burdiehouse. [Tooth.] 

 tuberculatus, Atthey. v. Ctenodus cristatus. 



(skeleton of.) See especially Hancock and Atthey, Ann. Mag. 

 Nat. Hist. [4] vol. vii, 1871, p. 190, and ibid. [4] vol. ix, 1872, 

 p. 257, pi. xviii, and Nat. Hist. Trans. Northumb. and 

 Durham, vol. iv (1872), pp. 397, 417 ; T. P. Barkas, Coal 

 Meas. Palasont, 1873 ; L. C. Miall, Quart. Journ. Geol. Soc, 

 vol. xxx, 1874, p. 772, pi. xlvii, and Proc. Yorksh. Geol. 

 and Polyt. Soc, n.s., vol. vii (1881), p. 289, woodcuts; W. 

 J. Barkas, Proc. Roy. Soc. N. S. Wales, vol. x, 1877, p. 115, 

 pi., f. 14-19. and ibid., vol. xi, 1878, pp. 51, 58; and A. 

 Fritsch, Fauna der Gaskohle, vol. ii (1888), p. 66, pis. and 

 woodcuts. 



