No. 50.] 37 



DOLIUM . 



BuccmuM PAPILLOSUM. Tkc Prichly-lip Buccinum. 



Eburna areolata. 



Eburna glabrata, 3 sp. 



Terebra maculata, 3 sp. The Spotted Terebra. 



Terebra . 



FAMILY COLUMELLARIA. 

 MiTRA episcopalis. The Episcopal Mitre, 



MlTRA . 



MiTRA . 



MiTRA . 



VoLTJTA iETHiopicA. The Ethiopian Volute, 



VOLUTA VESPERTILIO, 4 Sp. 

 VoLTJTA UNDULATA, 2 Sp. 



VoLUTA . 



VoLTJTA . 



FAMILY CONVOLUTA. 



OvuLA voLVA. The Weaver's Shuttle, 

 OvuLA GiBBosA, 4 sp. The Belted Ovula, 



CYPRiEA MAURITIANA. 



Cypr-ea histrio, 3 sp. 



CypRiEA cApuT-sERPENTis. The SerpenV s-head Cyprtsa^ 



Cyprxa TIGRIS. The Tiger Cyprcsa. 



Cypr-ea europa. 



CyPR^A LYNX, 2 sp. 

 CYPRiEA RUVEI, 5 Sp. 



Cypr^a bitjs, 4 sp. The Mouse-colored Cypraa. 

 Cyprjea asellus, 2 sp. 

 Cyprjea helve ola. 

 Cyprjea , 



