131 



TURBO moniliferus. 



TAB. CCCXCV.— /-. 1. 



SfEC. Char. Short, conical, transversely 

 .striated, umbilicated ; whorls separated 

 above by a canal, their edges granulated ; 

 nmbiiicuts large, wrinkled. 



J. HE length and breadth of this shell, are nearly equal ; 

 the base is rather conical ; the striae are prominent, 

 sin)ple upon the base, but granulated and less numerous 

 upon the spire ; tljc umbilicus is granulated within, tlie 

 edge of it is unduhited. 



The large umbilicus would induce us to place this 

 species under the Genus Delphinula, Avere the lips of 

 the aperture separated from the preceding Avhorl : it is 

 found replaced by Calcedony, in the Greensand of 

 piackdown in WiUshirc, 



H'^.i' ■ ii . 6^, 



