FOUND IN THE FRITH OF FORTH. 549 



CHONDROPTERYGII. t 



AdPENSER. 



A. Sturio. Common Sturgeon. 



One or two specimens are generally found eve- 

 ry summer, about the mouth of the Almond, or 

 of the Esk. Those brought to our market seldom 

 exceed seven or eight feet in length ; but in some 

 of our rivers, they are got twelve or fourteen feet 

 long, often tearing to pieces the salmon-nets in 

 which they are accidentally entangled. 



Squalus. 

 S. Canicula. 



This is sometimes likewise an unwelcome intru - 

 der into the nets, among which, being of a large 

 size, he makes great havock. 



S. Catulus. Spotted Dog-fish. 



This is sometimes, though not often, entangled 

 in the skate-nets. 



S. Mustelus. Smooth Hound ; Murlocb. 



This is occasionally found, along with the Piked 

 Dog^ fish. 



S. Cornubicus. Porbeagle Shark. 



This is rather uncommon in the Frith. A spe- 

 cimen was accidentally taken in a net in June 

 1804, and brought into Newhaven. It was about 

 six feet in length ; two feet longer than the one 



m m 3 



