33 



820 Calypti-aea auriculata, Patella auriculata, Dillw. 



many varieties 



821 Comiiia-nofata 



822 radians. Trochns radians, Lam. 



CREPIDUL.4. 



823 Crepidula fornieata 



824 Porcellana 



825 ■ aeuleata 



826 tuiifuiformis 



82" dilatata 



828 adimca 



BULLAE A. 



829 BuUaea apcrta 



BULLA. 



830 Bulla lignaria 



831 iVinpulIa, a considerable series of fine va- 

 rieties in colour and markings 



832 striata 



833 Naucum 



834 Physis, several fine specimens 



835 fasciata, several fine spccinieus, of whicli 



one is remarkable for being white witli four 

 fuscous, transverse bands 



836 Aplustre, several fine specimens 



837 Ilydatis 



S38 so'lida 



839 nitidula, Solander 



DOLABKLLA. 



840 Dolabella Rumphii 



