41 



LAMXA. 



TuE snout conical; bodj- disposed to a rounded form, with a ju-onii- 

 r.ent ridge at the side near the tail; gill openings wide. Teetli long 

 and pointed, with a ])roeess on each side near the root. An anal fin. 



porbea(;le. 



Lamna cornn Jn'ru.^, 

 riiiriin n.riirlniiii'iix. 



" corun.hicu!^, 

 Longnez, 

 Lamna rormohica. 



Turton's Linnjt^us. 



CuviER. 



Rakixesqi'E; but his figure is exceed- 

 ingly bad. The genus Isurns was 

 founded by Rafinesque, but his de- 

 finition that the lobes of the tail are 

 equal, must not be taken literally. 



Gray; Catalogue of British ]\Inseuni. 



Lacepede and Risso. 



Flemixg; Br. An., p. 168. 



Jenyxs; Manual, p. 500. 



Yarrell; British Fishes, vol. ii, p. 51."). 



DoxovAX ; pi. 108, but the figure is not 

 satisfactory. 



In this placo it is proper wc should notice a tish, Avhicli has 

 borne the name of the IJeaumaris Shark, from the place in 

 North Wales where it "was first taken; and concerning Avhich 

 much doubt has existed among naturalists, as to whether it is 

 a distinct species or a variety of the Common Porbeagle, to 

 which description represents it as bearing a general resemblance. 

 Cuvicr regarded it as a separate species; but his authority is 

 of less weight, as he never possessed the opportunity of ex- 

 amining a specimen. Mr. Yarrell, also, in the first edition of 

 his "History of British Fishes," has given it as different from 



the Porbeagle; but in the second edition of that work, he has 

 VOL. I. G 



