PISCES. 139 



PACHYCOSBIUS (continued)— 



latirostris, L. Agassiz, Poiss. Foss., vol. ii, pt. ii (1843), P- ll A 



(undefined). 

 LOC. U. Lias ; Whitby. 



latus, L. Agassiz, ibid., p. 114 (undefined). 



LOC. U. Lias ; Whitby. [Imperfect fish ; Brit. Mus.] 



leptosteus, L. Agassiz, ibid., p. 114 (name only). 

 LOC. L. Lias ; Lyme Regis. 



macropterus, L. Agassiz, ibid., p. in, pi. lix# ; recorded by 

 J. F. Blake, in Tate and Blake, Yorksh. Lias, 1876, p. 260. 

 LOC. U. Lias ; W T hitby. {Fish; York Mus.] T. 



macrurus, L. Agassiz, Poiss. Foss., vol. ii, pt. ii (1843), P- IJ 3> 

 pi. lviiia, f . 3 ; J. Morris, Cat. Brit. Foss., 1854, p. 336. 

 LOC. L. Lias ; Lyme Regis. [Tail ; Oxford Mus.] 



sp. From Oxford Clay ; Peterborough. [Portions of fishes ; Brit. 

 Mus., Woodwardian Mus., and A. N. Leeds Coll.] 



FACHYEKIZODUS, F. Dixon (ex Agassiz, MS.), Geol. Sussex, 



1850, p. 374; E. D. Cope, Vert. Cret. Form. West (Rep. 



U. S. Geol. Sun\ Territ., vol. ii, 1875), p. 220. 

 Megalodon, L. Agassiz (non Sowerby), Poiss. Foss., Feuill., 



P- 55 (1835) {pars). 

 Hypsodon, L. Agassiz, Neues Jahrb., 1838, p. 108, and Poiss. 



Foss., Feuill., p. 104 (1837), and vol. v, pt. i (1843), pp. 8, 



99 (Jars). 

 Rhaphiosalrus, R. Owen, Trans. Geol. Soc. [2] vol. vi (1840), 



p. 413 (Raphiosaurus). 

 Acrodontosaukus, J. W T . Mason, Quart. Joum. Geol. Soc, 



vol. xxv, 1869, p. 444. 



basalis, F. Dixon, Geol. Sussex, 1850, p. 374, pi. xxxiv, f. 9, 10 ; 

 J. Morris, Cat. Brit. Foss., 1854, p. 336. 

 LOC. Chalk ; Steyning, Sussex. [Fragment of mandib. ramus ; 

 Brit. Mus.] T. 



gardneri 'Mason), A. S. Woodward, Proc. Geol. Assoc, vol. x 



(1888), p. 314. 

 Hypsodon leivesiensis, L. Agassiz (Pars), Neues Jahrb., 1839, p. 



120, and Poiss. Foss., Feuill., p. 104 (1837), and vol. v, pt. i 



(1843), p. 99, pi. xxv a, f. I, 2, 4, pi. xxv b, f. 4, 5 ; E. T. 



Newton, Quart. Journ. Geol. Soc, vol. xxxiii, 1877, p. 508. 

 'Reptile or Fish,' Toulmin Smith, Lond. Geol. Journ. (1846), 



p. 21, woodcut. [Group of bones; Brit. Mus.] 

 Acrodontosaurus gardtieri, J. W. Mason, Quart. Journ. Geol. 



Soc, vol. xxv, 1869, p. 444, pi. xix. T. (Acrodontosaurus?) 

 LOC. Chalk; S.E.England. [Portion of mandib. ramus ; Brit. 



Mus.] 



