!260 



MINUTE LAMPREY. 



Petromj'-zon Branehialis. P. pallidus, corpore annulato, ore 



suhtus lobato. 



Pale Lamprey^, with annulated body, and mouth lobated be* 

 neath. 



Petromyzon branehialis. P. pinna posferiore lineari, labio oris 



posteriore latere lobato. Lin. Syst. Nat, p. 394. 

 Lampetra coeca. Will, ichth. t, g* 3 /. II, 

 Pride. Plot Hist. Ox. p. 182. t. 10, 

 Pride. Penn. Brit, Zool. 



Length from four or five to six or seven, and 

 jspmetimes, though rarely, eight inches : body cyHn- 

 dric, somewhat tapering at each end, and marked 

 with numerous annular lines or transverse streaks 

 on each side, giving it somewhat of a worm-like 

 aspect : beneath the body, from head to tail, a 

 continued middle line : mouth toothless, and mark- 

 ed on each side the lower part by a kind of small 

 lobe : fins very ■shallow : tail lanceolate and sharp- 

 ish at the tip: inhabits the European rivers: in 

 England more frequent in the Isis than elsewhere : 

 instead of concealing itself under stones this species 

 lodges itself among the mud, and is not observed to 

 adhere to any other body like the rest of the genus: 

 it is used as a bait for other fish : it seems to have 

 been first distinctly described, as an English species, 

 by Dr. Plot, in his History of Oxfordshire, 



