io6 BRITISH FOSSIL VERTEBRATA. 



ISCKYODUS {continued)— 



gigas, Egerton. v. Edaphodon gigas. 



? Incisus, E. T. Newton, Chimceroid Fishes Brit. Cret. Rocks- 

 (Mem. Geol. Surv., 1878), p. 38, pi. xii, f. 3-10. 

 LOC. Gault ; Folkestone. Cambridge Greensand. L. Chalk - r 

 Kent and Sussex. [Mandib. tooth ; Brit. Mus.] 



jolmsoni, Agassiz. v. Myriacanthus paradoxus. 



latus, E. T. Newton, Chimreroid Fishes Brit. Cret. Rocks (Mem, 

 Geol. Surv., 1878), p. 32, pi. x. 

 LOC. Cambridge Greensand. [Mandib. tooth ; Mus. Pract. 

 Geol.] 



tnantelli, Egerton. v. Edaphodon rriantelli. 



orthorhimis, Egerton. v. Myriacanthus granulatus. 



planus, E. T. Newton, Chimasroid Fishes Brit. Cret. Rocks 

 (Mem. Geol. Surv., 1878), p. 37, pi. xii, f. 1, 2. 

 log. Cambridge Greensand. [Mandib. tooth ; T. Jesson Coll.] 



setlgwiclii, Egerton. v. Edaphodon sedgwicki. 



thurmanni, F. J. Pictet and P. Campiche, Foss. Terr. Cretace 



St. Croix (Pal. Suisse, 1858), p. 76, pi. ix, f. 8. 

 Ischyodus brevirostris, P. M. G. Egerton, Proc. Geol. Soc, 



vol. iv (1843), p. 156 (name only) ; J. Morris, Cat. Brit. 



Foss., 1854, p. 330; E. T. Newton, Chimasroid Fishes Brit. 



Cret. Rocks (Mem. Geol. Surv., 1878), p. 27, pi. ix. [Teeth ; 



Brit. Mus.] 

 Chimcera {Ischyodon) brevirosfris, L. Agassiz, Poiss. Foss., 



vol. iii (1843), P- 344 (name only). 

 Chimcera {Ischyodon) agassizii, L. Agassiz (errore), ibid., pi. x\c, 



f. 14, 15. [Palatine tooth ; Brit. Mus.] 

 Ischyodus aqassizii, W. H. Bensted {errore), Geologist, vol. v, 



1862, p. 378. 

 LOC. Gault ; Folkestone. Cambridge Greensand. Varieties 



also in L. Greensand, Maidstone, and L. Chalk, Newmarket. 



[Teeth; Brit. AIns.} 



townsendi (Buckland, P. M. G. Egerton, Proc. Geol. Soc, 

 vol. iv (1843), p. 156 (/. townshendt) ; J. Morris, Cat. Brit. 

 Foss., 1854, p. 330 (/. toivnshcndi) ; [-ii] E. T. Newton, 

 Chimjeroid Fishes Brit. Cret. Rocks ('Mem. Geol. Surv., 

 1878), p. 33, pi. xi, and Proc. Geol. Assoc, vol. vii (1881), 

 p. 116, woodcuts. 



Chimcera townsendii, W. Buckland, Proc. Geol. Soc, vol. ii 

 (1835), P- 2 °6, and Phil. Mag. [3] vol. viii, 1836, p. 5. 



Chimcera {Ischyodon) townsendii, L. Agassiz, Poiss. Foss., vol. iii 

 (1843), P- 343, pl- xl f f. 20-22, pi. x\c, f. 17, 18. 



LOC. Portlandian ; Oxfordshire, Wiltshire, and Dorsetshire. 

 Derived in Potton Bone-bed (Neocomian). [Mandib. tooth ; 

 Brit. Mus.] T. 



