PISCES. 121 



MESODON trig-onus {continued) — 



Microdon trigonus, L. Agassiz, Poiss. Foss., vol. i (1844), p. xlii 

 Pycnodus latirostris, L. Agassiz, Poiss. Foss., vol. ii, pt. ii (1843), 



p. 199 (undefined). [Mandib. dentition ; Brit. Mus.] 

 i.OC. Stonesfield Slate. [Vomer ; Brit. Mus.] 



umbonatus : Pycnodus umbonalus, L. Agassiz, Poiss. Foss., 

 vol. ii, pt. ii (1843), P- IQ 4> pi- l xxu a , f- I_ 4 ; J- Morris, Cat. 

 Brit. Foss., 1S54, p. 343. 

 LOC. Forest Marble ; England. [Mandib. dentition.] 



sp. : Pycnodus bucklandi, R. Damon (non Agassiz), Geol. Wey- 

 mouth, ed. 3, 1888, Suppl., pi. viii, f. 9. 



LOC. Portland Stone ; Portland. [Mandib. dentition ; Brit. 

 Mus.] 



MESOGOMPIIUS, Davis, v. Copodus. 

 lingua. Davis, v. Copodus lingua. 



MESOLEPIS. J. Young, Quart. Journ. Geol. Soc, vol. xxii, 1866, 

 p. 313 ; K. H. Traquair, Trans. Roy. Soc. Edinb., vol. xxix 

 (1879;, P- 355- 

 ? Pododus, L. Agassiz, Poiss. Foss., vol. ii, pt. ii (1843), p. 83 

 (name only). 



micropterus. R. H. Traquair, Trans. Roy. Soc. Edinb., vol. 

 xxix f 1 879), p. 356, pi. iv, f. 8. 

 LOC. L. Coa'-Meas. (Dalemoor-Rake Ironstone); Stanton-by- 

 Dale, Derbyshire. [Fish ; Manchester Mus.] 



scalaris. J. Young, Quart. Journ. Geol. Soc, vol. xxii, 1865, 

 p. 313 ; J. Ward, [Proc] N. Staffs. Nat. Field Club, 1876, 

 p. 235, and Trans. N. Staffs. Inst. Mining Engin., vol. x (1889), 

 pi. vii, f. 10-14; R. H. Traquair, Trans. Roy. Soc. Edinb., 

 vol. xxix (1879), P- 355> pl- > v > f- I_ 5- 

 LOC. Coal-Meas.; North Staffordshire. [Fish; J. Ward Coll.] 



wardi, J. Young, Quart. Journ. Geol. Soc, vol. xxii, 1866, p. 313, 



pi. xxi, f. 1, 37 J. Ward, [Proc] N. Staffs. Nat. Field Club, 



1875. P- 2 34 ! R- H. Traquair (?), Trans. Roy. Soc. Edinb., 



vol. xxix ( 1879), p. 355. T. 



LOC. Coal-Meas. ; North Staffordshire. [Fish ; J. Ward Coll.] 



? sp., R. H. Traquair, Trans. Roy. Soc. Edinb., vol. xxix (1879), 



P- 355- 

 ? Pododus capitatus, L. Agassiz, Poiss. Foss., vol. ii, pt. ii (1843), 



p. 163 (name only). T. {Pododus.) 



LOC. Coal-Meas.; Carluke. [Teeth.] 



MESOLOPHODUS, A. S. Woodward, Cat. Foss. Fishes B. M., 

 pt. i, 1889, p. 61. 

 protlematicus, A. S. Woodward, ibid., p. 61, pi. i, f. 18, 19. 

 LOC. L. Carb. Limest; Armagh. [Tooth; Brit. Mus.] T. 



