20Q C O N C H O L O G Y. 



are very full-bodied Shells, nearly glo* 

 bpfe ; and the turban is never much pro- 

 duced, but lies flat or level with the 

 bottom. 



The Nerits are moil; generally toothed 

 pn both lips. 



The arrangement of this genus In all 

 authors is near to or with the Snails ; 

 and they are molT: generally called Nerits. 

 Rumphius calls them Cochleae Valvati^, 

 and by many they are alfo called Se- 

 milunares. 



The fpecies of this genus are very nu- 

 merous, and they are generally beautiful 

 Shells. PI. III. fig. 14, the Magpye Ne- 

 rit fliewn in two views. 



There ib found, in a calcareous fub- 

 ih\:ice ia France, a large kind of foffil 

 Nerit, which I (hall call the Limpet -like 

 Neri/s, It is a very thick Shell, llze of 

 an apricot^ and rather flattiOi. The 



upper 



