MARGIN ELLA. 



plicis sex, inferioribus majoribus ; and to this section be- 

 longs the Voluta Persicula, V. cingulata^ F. JPorcellana, &c. 

 and V. catenata, Mont. 



A few fossil species are found in the Calcaire grossiere, 

 near Paris, and in other places ; we are not aware that 

 they are found in the London Clay, nor do we know of 

 any in the older formations. 



Fig. 1. Marginella Glabella (Vol. Glabella, Dillw.) 



2. cingulata ( V. cingulata, Dillw.) 



3. marginala. 



5 



