UNIVALVES VOLUT A. 



107 



Division IV. — Shell sub-cylindrical, enamelled, and emarginated. 



Scientific N'am.&. 



Porphyrea 



Erythrostoma • ■ 



Oliva 



Ventricosa 

 lucrassata • 

 Pinguis • • • 

 Tigrina • • 

 Carneola • 

 Micans • • - ■ 



Family 1. — Spire rather obtuse. 



Locality/. 

 W. Indies, South America 

 Amboyna, Mauritius, S. 



Seas 



Ditto, South Seas, Brazils, 



East & West Indies • • 



Mindana, Moluccas 



Moluccas, Brazils 



Brazils 



Eastern Ocean 



Moluccas 



Ditto, Mauritius 



Common Name. 

 Porphyry Volute 



Orange mouth'd 



Olive do • • 



Ventricose do • • 

 Thickened 

 Quaker • • 

 Tiger • • - • 

 Carnelian 



do 

 do 

 do 

 do 



Little do . . 



Family 2. — Spire prominent or conical. 



Cruenta Amboyna, Mauritius Orange-throat do 



Annulata Ditto ' Ringed do 



Gibbosa Coromandel, Madagascar Gibbous • • do 



Ispidula Moluccas Enamelled • do 



Hiatula Africa 



Ampla 



Nivea West Indies 



Jaspidea Philippines 



Ancilla 



Nitidula Ditto, Moluccas,Mauritius 



Oryza 



Division V. — Shell fusiform, generally striated or ribbed, either 

 longitudinally or transversely. 



Family 1. — Spire less thanhalf the length of ike shell. 

 Crenulata East Indies Crenulated do • • 



