PISCES. 447 



Suniish ( Orthagoriscus mola) . Common during every summer. 

 Oblong Qun-&8h. {Orthagoriscus ohlonffus). Eare. 



STURION'ID^.—{tijl^ Sturgeons.) ^ 

 Sturgeon {Acipenser sturio). Eare. 



S QVALID ^.—{tk^ Shark Tribe.) 



The Nurse {ScylUum stellaris). The Nursehound. The Eough- 

 hound. A bottom feeding shark of considerable size, 

 reaching usually to f of a cwt. Not uncommon. 



Th.Q M.ovga;j {Squalus catulus : Linnaeus). The small spotted dog 

 fish. The commonest of our small sharks. A pest to fisher- 

 men, but makes good soup, and does not eat badly when 

 salted. 



The Black-mouthed Dogfish {Scyllium melanostomum). The eyed 

 dog-fish. Only one specimen on record as Cornish or even 

 British. Caught in 1834. 



Six-gilled Shark {Sexanchus griseus). Eare. 



White Shark (/S^m«/ms Carcharias : Linnaeus.) I place this in the 

 list in deference to the authority of Mr. Couch, but I can 

 find no record of the appearance of this shark in Cornish 

 waters. 



Blue Shark {Carcharias glaucus). A very common pest of our 

 fishermen. 



Thrasher {Carcharias, ot Sqtiahis vulpes). Sea Fox. Fox Shark. 

 By no means uncommon. A few are taken every year by 

 the mackerel and pilchard drivers. 



Porbeagle {Squalus Cornubicus). The Beaumaris Shark. Not 

 uncommon. 



Toper {Galeus vulgaris.) This fish is beyond question known in 

 our seas, but I do not consider it a common fish. In my 

 opinion the Smooth Hound is often mistaken for it. 



The Smooth Hound {Mustelus l^vis). The Eay-mouthed Dog (it 

 has teeth like a Eay) is common. 



The Dogfish {Squalus acanthias). The picked dog. A savage 

 brute who knows well how to use his spurs even after 

 capture. 



The Spinous Shark (Squalus spinosusj. Eare. It is at present 

 doubtful whether there are not two permanent varieties of 



