PLATE XVII. 



it Queen Fish ; it is also found near Fowey and other shores of that 

 county. I have seen some from Weymouth^ and Mr. Petiver received 

 it from the ifland of Purbeck, in Dorsetshire. Dr. Leigh mentions 

 that it is got on tlie coasts of Cheshire." 



Pennant has not noticed this Shell. Linnaeus described it as an 

 Asiatic species in the Systema Naturae, but adds it is perhaps an Eu- 

 ropean species also. In the last edition by Gmelin, it stands expressly 

 as a British Shell. Habitat in Man Britannico, &(c. 



This Shell is thick, strong and heavy : the outside smooth and 

 glossy, with numerous concentric transverse wrinkles, and several 

 faint rays in a longitudinal direction. The margins are plain. The 

 jnside milk white and glossy. 



