i 9 4 BRITISH FOSSIL VERTEBRA! A. 



THVEIiXiINA. Agassiz. v. Scyllium. 



prisctl, Agassiz. v. Palaeospinax priscus. 



TING A, Cuvier, Regne Animal, vol. ii, 1817, p. 193. 



vulgaris, Cuvier, ibid., p. 193 ; E. T. Newton, Vert. Forest Bed 

 (Mem. Geol. Surv., 1882), p. 127, pi. xviii, f. 21-23. 

 LOC. Forest-Bed Series (U. Freshwater Bed) ; West Runton, 

 Norfolk. [Pharyngeal and tooth ; A. Savin Coll., and Mus. 

 Pract. Geol.] 



TOMODUS, J. W. Davis (ex Agassiz, MS.), Trans. Roy. Dublin 

 Soc. [2] vol. i (1883), p. 446. 



convexus, J. Morris and G. E. Roberts (<?.r Agassiz, MS.), Quart. 

 Journ. Geol. Soc, vol. xviii, 1862, p. 101 (name only) ; J. W. 

 Davis, Trans. Roy. Dublin Soc. [2] vol. i (1883), p. 446, pi. lv, 

 f. 15-18 ; O. St. John and A. H. Worthen, Pal. Illinois, 

 vol. vii, 1883, p. 172 ; A. S. Woodward, Cat. Foss. Fishes 

 B. M., pt. i, 1889, p. 191. 



Cochliodus contortus, L. Agassiz (errore), Poiss. Foss., vol. iii 

 (1838), p. 115, pi. xiv, f. 23-25. 



LOC. L. Carb. Limest. ; Bristol. [Teeth ; Bristol Mus.] T. 



TOMOGNATHU5. F. Dixon, Geol. Sussex, 1850, p. 376. 

 leiodus, Dixon, v. Tomognathus mordax. 



mordax, F. Dixon, Geol. Sussex, 1850, p. 376, pi. xxxv, f. 1 ; 



J. Morris, Cat. Brit. Foss., 1854, p. 346; A. S. Woodward, 



Proc. Geol. Assoc, vol. x (1888), p. 313. 

 Tomognathus leiodus, F. Dixon, Geol. Sussex, 1850, p. 377, 



pi. xxx, f. 31 ; J. Morris, Cat. Brit. Foss., 1854, p. 346. 



[Mandib. rami ; Brit. Mus.] 

 LOC. Chalk; Sussex. [Jaws.] T. 



TRIPLOPTERUS, M'Coy. v. Osteolepis. 



poUexfeni, M'Coy. v. Osteolepis macrolepidotus. 



TRIPTERUS, M'Coy. v. Osteolepis. 



pollexfenif M'Coy. v. Osteolepis macrolepidotus. 



TRISTICHOPTERUS, P. M. G. Egerton, Rep. Brit. Assoc, 

 i860 (1S61), Sect., p. 78, and Figs, and Descript. Brit. 

 Organic Remains, dec. x (Mem. Geol. Surv., 1861), p. 51. 



alatus, P. M. G. Egerton, Rep. Brit. Assoc, i860 (1861), Sect., 

 p. 78, and Figs, and Descript. Brit. Organic Remains, 

 dec. x (Mem. Geol. Surv., 1861), p. 51, pis. iv, v; R. H. Tra- 

 quair, Proc Roy. Soc. Edinb., vol. viii, 1875, p. 513, and 

 Trans. Roy. Soc. Edinb., vol. xxvii (1876), p. 383, pi. xxxii. 

 LOC. L. Old Red Sandst. ; Caithness. [Trunk ; Mus. Pract. 

 Geol. and Brit. Mus.] T. 



