/Vt ScALBY j^ILL, NEAR SCARBOROUGH. 



Sub-class 

 CVCLOSTOMATA. 



Family 

 PETROMyZONTIDAL. 



.EA 



AMPREY. 



fPetromyzon niarinus.J 



Lanipetra major, 



]\Iuslela sive Lampdra, 



A Lamprey or Lamprev Eel, 



Pelromyzon ?naculosus, ordinihus Jcntium 



circiter viginli, 

 Pelromyzon marinus. 



Sea Lamprev, 



Aldrov., iv. cap. 13. 

 Hellon, De Aquatil. p. 76. 

 WiLLUGHP.Y, Hist. Pise. p. 105. 



Artedi, Spec. Pise. p. go, No. 2. 



Lin., Sys. Nat. i. p. 394; Donovan, Brit. Fish. iv. pi. 81; 

 Flem., Brit. An. p. 163; Yarrell, ii. p. 598; Siebold, 

 Siisserwasserf. p. 368; Gunther's Cat. viii. p. 501. 



Pennant, Brit. Zool. iii. p. 102, ed. 1812; Couch, Fish. Brit. Isl 

 iv. p. 385, pi. 2+7, fig. I. 



Characlers of the Genus Petromyzon. — "Dorsal fins two, the posterior continuous with the caudal. The maxillary 

 dentition consists of two teeth placed close together, or of a transverse bicuspid ridge; lingual teeth serrated. Coasts 

 and fresh waters of the northern hemisphere." — Gunther. 



THE Sea Lamprey, which from its marbled appearance was called Petromyzon maculosus 

 by Artedi, is an inhabitant of the rivers and coasts of Europe, North America, and West 

 Africa, and specimens from all these parts are now in the British Museum. It occurs in 



2 c 



