a86 ' THE SHAn. 



the Severn there is a variety csught near GloceJIer, called 

 the twaite, which is equally difefteemed with the Thame-t 

 fhad. Thefe varieties are diflinguifhed by their fize, the 

 twaite being nearly one half fmaller than the true fliad j 

 and has always fewer black fpots behind the gills ^. 



• Briuftt Zoology, Gen. 3(7-. 



