ML'K.EXID.E. 
343 
tooth, near the symphysial end of the dentary', is rather 
large and sharply conical. An undetermined fragment 
of the upper jaw (x.) is preserved. Purchased , 1880. 
28859, 36118, 38132, 38897-98, 40521. Imperfect pyritised skulls, 
partly of this, partly probably of the larger species ; 
Sheppey. Purchased, 1854-07. 
RLynchorhinus major, sp. nov. 
1 HP e - Imperfect head ; British Museum. 
About twice as large as the type species. Coronoid region of 
“andible about one third as long as the deutary border; teetli 
' er - s tout and bluntly conical. 
i orm. Loc. Lower Eocene: London Basin. 
1746 a. Type specimen, in nodule with pyrites; London Clay, 
8heppey. The supraoccipital forms a conspicuous crest. 
The squamosals are remarkably attenuated and produced 
forwards. The pterygoid arcade is shown to bo moder- 
ately robust, with a cluster of bluntly conical teeth. 
Similar teeth are seen in the mandible, which, on the 
right side, exhibits the relatively short coronoid region 
noted in the specific diagnosis. Egerton Coll. 
1746 b. More imperfect larger head ; Sheppey. The very small 
triangular operculum is shown, with remains of about 
12 pairs of branchiostegal rays. Egerton Coll. 
1745-46. More imperfect specimens, one exhibiting associated 
vertebrae ; Sheppey. Egerton Coll. 
Genus PAR ANGUILLA, Bleeker. 
[Atlas Ichthyol. vol. iv. 1864, pp. 5, 8.] 
“^3 n. Enchelyopvs, L. Agassiz (non Bloch & Schneider, 1801), loirs. 
Foss. vol. v. 1844, pt. i. p. 16, pt. ii. p. 137. 
An eel generally resembling the species from Monte Bolca above 
provisionally referred to Eomyrus , but distinguished by its moie 
delicate skeleton and smaller head. 
Paranguilla tigrina (Agassiz). 
1796. Ophidium barbatum, G. S. Volta, Ittiolit. Veronese, p. clvii, 
pi. xxxviii. fig. 2 (errore). 
1835. Enchelyopvs tiyrlms, L. Agassiz, Neues Jahib. p. 307 (name 
only). 
