no 



satisfied with any place in the system for it ; and even 

 now we are not certain of the propriety of placing it 

 among land shells, for the specimen (fig. 1.) has a hole 

 in its side, such as is frequently bored by some marine 

 animal ; this is in the Rev. Mr, Leathe's collection. 



Should Lamarck's second division contain princi- 

 pally marine shells, as some persons suppose, and not 

 land ones as he states, his genus Conovulus should be 

 again received, and the fossil before us referred to it : 

 a change that will remove the difficulties above alluded 

 to. 



