. Umbrella Indica. 
. Carinaria vilrea. 
. Dolabella. 
. Bullea. 
. Bulla operta. 
. Infundibulum echinulatum. 
. Stomatia phymotis 
. Stomatella imbricata. 
. Septaria seu Navicella (- Patella Borbonica). 
a. Back view. 
b. Under .. 
c. Side 
d. Operculum. 
. Halyotis vulgaris. 
. Sigaretus concavus. 
Some of the figures in this Plate ave inadyertently reversed. 
