W. Davies — Type Fossil Fishes in the British Museum. 215 



Ptychodus, Ag. 



— polygyrus, Ag. P. F. torn. 3, p. 156, tab. 25, figs. 4, 5, 8, Mant. G. S. 



p. 231, tab. 32, fig. 29 {teeth). Chalk, Lewes. 



— spectabilis, Ag. P. F. torn. 3, p. 57, tab. \oa, fig. i (fin-ray), '■'■allied to 



BaHstes," Mant. G. S. p. 229, tab. 39. ib. loc. 



— ?sp. Ag. P. F. torn. 3, p. 59, tab. 10b, fig. 18. ib. loc. 

 Pycnodus, Ag. 



— Mantelli, Ag. P. F. torn. 2, p. 196, tab. 72a, fig. 6. Wealden, Tilgate 



Forest. 



— ,, Ag. P. F. torn. 2, p. 196, tab. 72^, fig. 7. ib. loc. 



— ,, Ag. P. F. torn. 2, p. 196, tab. 72^, fig. 8. ib. loc. 



— ,, Ag. P. F. torn. 2, p. 196, tab. 720, fig. 9. ib. loc. 



— ,, Ag. P. F. torn. 2, p. 196, tab. 72a:, fig. 11. ib. loc. 



— ,, Ag. P. F. torn. 2, p. 196, tab. 72a, fig. 12. ib. loc. 



— ,, Ag. P. F. torn. 2, p. 196, tab. 72a, fig. 14. ib. loc. 



— liassicus. Eg. [Mesodon, Wagn.), M. G. S. Dec. 8, pi. 10. Lias, Barrow- 



on-Soar. 

 Rhynchonichthys, Mantell. Mss. 



— Taytori, Mant. Mss. Chalk, Kent. 

 Saurocephalus, Harlan. 



* — la7icifor7nis, Harl. P. F. torn. 5, pt. i, p. 102, tab. 25^, figs. 21, 24, 27, 28, 



29. Chalk, Lewes. 



* — „ Harl. Dixon, F. S. p. 374, pi. 31, fig. 12. Chalk, Kent. 



— striatus, Ag. P. F. torn. 5, p. I02. tab. 25^:, figs. 17, 18. Chalk, Lewes. 

 Saurodon, Hays. 



* — Leaniis, Hays, P. F. torn. 5, p. 102, tab. 25,^, figs. 30, 31. ib. loc. 



* — ,, Hays, Dixon, F. S. p. 373, pi. 30, figs. 28, 29. Chalk, Sussex. 

 ScAPHASPis, Lankester. 



— Dunensis, Roem. {Arckceoteuthis, Rcemer), L. and B. Jahrb, 1858, p. 55, 



{Pteraspis, Kner). J. G. S. vol. 17. p. 163. Devonian, 

 Wassenach. 



— rectus, Lank. F. O. R. S. p. 23, pi. 2, fig. 7. Devonian, Heightington. 

 SiLURUS, Linn. 



— Egertoni, Dixon, F. S. p. 204, pi. II, fig. 11. M. Eocene, Bracklesham. 



— ,, Dixon, F. S. p. 204, pi, II, fig. 12. ib. loc. 



— ,, Dixon, F. S. p. 204, pi. II, fig. 13. ib. loc. 

 Sphenonchus, Ag. V. Hybodus. 



Sphyr^nodus, Ag. 



— tenuis, Dixon, F. S. p. 112, pi. Ii, fig. 24. M. Eocene, Bracklesham. 

 Spinax, v. Drepanephorus. 



Stenostoma, Ag. 



— pulchella, Dixon, F. S. p. 373, pi. 36, fig. 2. Chalk, Steyning. 

 Strophodus, Ag. 



— asper, Ag. P. F. torn. 3, p. 1283, tab. \ob, figs. 1-3. Chalk, Lewes. 



— viedius, Owen, Geol. Mag. Vol. 7, p. 193, PL 7. Oolite, Caen. 

 Teratichthys, Konig. 



— antiquitatis, Konig, Icon. F. S. p. 4, fig. 79, 79*. London Clay, Sheppey. 

 Tetragonolepis, Ag. 



— droserus, Eg. J. G. S. vol. 9, p. 278, pi. Ii, fig. 4 (teeth only figured). 



Lias, Boll, Wurtemberg. 

 Tetrapterus, Ag. 



— minor, Ag. P. F. torn. 5, p. 91, pi. 60a, figs. 9-13. Chalk, Lewes. 

 * — „ Ag. Dixon, F. S. pi. 31, fig. 16. Chalk, Sussex. 

 Thlattodus, Owen. 



— suchoides, Ow. Geol. Mag. Vol. 3, p. 55, PI. 3. Kimmeridge Clay, 



Downham. 



TOMOGNATHUS, Ag. 



— leiodus, Dixon, F. S. p. 377, pi. 30, fig. 31, Chalk, Sussex. 

 Tristichopterus, Eg. 



— alatiis, Eg. M. G. S. Dec. 10, p. 51, pi. 5 (counterpart). Devonian, 



John o' Groats House. 

 Shagreen of a Placoid Fish, Ag. P. F. torn. 3, tab. lob, figs. 6, 7. Chalk, Lewes. 



