140 LIST OF FISH. 



2. LAMPETRA. 



Upper inner tooth single, transverse, lunate, entire, with a co- 

 nical prominence at each end. Lower inner tooth single, trans- 

 verse, lunate, many-toothed, outer lobe largest. Labial teeth un- 

 equal, the outer numerous, small, subequal, conical, in a single, 

 submarginal series, the inner larger, unequal ; of the upper part 

 small, in series ; of the sides in a single series, larger, with two or 

 three conical tubercles. Tongue with two compressed, pectinated 

 teeth above, and a large, crescent-shaped, transverse tooth below, 

 crenated on the edge, and with a larger, conical projection in the 

 centre, t. 1, f. 2. Yarr. Brit. Fish. fig. p. 604. De Kay, Nat. 

 Hist, of New York, t. 79, 249 (bad). 



Pelromyzon, sp., Linn., Cuv., Mull. 



Lampetra, sp., Ray. 



Lampetra, Gray, Proc. Zool. Soc. 1851. 



* Dorsal Jins separate. 



1. Lampetra fluviatilis. Lampern or River Lamprey. 



Petrornyzon fluviatilis, Linn. Bloch, pt. 3, pi. 78, f. 1, Linn, edit 

 de Gmelin. Mull. Prod. 37, n. 307. Aldrov. 587. Perm 

 Brit. Zool. v. pt. 100, pi. 10, 1776—78. Schneid. Bloch 

 530, 2, 1801. Shaw, Gen. Zool. v. 257, pt. 2, 1804. Don 

 Brit. Fish. pi. 80, 1820—28. Flem. Brit. An. 404, 1827 

 Guv, Bey. An. ii. 404, 1829. Mem. de VAcad. Berlin, 78 

 1834. Jen. Man. Brit. Vert. 521, sp. 210, 1835. Yarr. Brit 

 Fish. 2 cd. ii. 598, 1841. Parnell. Rich. Faun. Bor. 294 

 1836. 



Petromyzon fluviatilis, Cuv. Rey. An. ii. 118, 1817. 



Lamproie prycka, Daub. Encycl. Meth. 



Nein-oga natting, Faun. Suec. 106. 



Petromyzon, &c, Artedi, gen. 64, syn. 89, sp. 99. 



La petite lamproie, Bloch, 34, pt. 3, pi. 78, f. 1. 



La lamproie branchiale, Bonn. Planches de I' Encycl. M6th. 



Petroinyzou, prick (negeu-oog), Gronov. Mus. i. 64, n. 114. Zooph 

 38. 



Mustela, Pliny, liv. 9, c. 17. 



Mustela fluviatilis, Belon, Aquat. 75. 



Lampetra subcinerea, maculis carens, Salv. Aqaal. 62. 



Lampetra, alteram genus, Gesn. Aquat. 597. 



