OBSERVATIONS. 



Although very much depressed, this pretty species is 

 more convex than the preceding, and the spire ^vhen view- 

 ed from the side is more distinct : the striae also are more 

 close set. ItdifTers from all the species in having coloured 

 spotted bands, and within it has a slight pearly appearance. 

 This species in found on the southern coast and is rare. 



REFERENCE TO THE PLATE. 



The middle figures are the superior and inferior view*. 

 PT, VTE XXV. 



