INDJCX. xiii 



ORDER VI. PECTINIBRANCHIATA-rcon/tnu^J. 

 Fam. 2. CAPULOIDA, 62 



Capsulas, 63 

 Hipponyx, 63 

 Crepidula, 63 

 Pileolus, 63 

 Septaria, 63 

 Calyptrae, 64 

 Siphonaria, 64 

 Sigaretus, 64 

 Coriocella, 65 

 Cryptostoma, 65 



Fam. 3. BUCCINOIDA, 65 



Conus, 65 

 Cypraea, 66 

 Ovula, 66 



Ooula proper, 67 

 Volva, 67 

 Terebellum, 67 

 Voluta, 67 



Oliva, 67 

 Volvaria, 67 

 Voluta proper, 68 



Cymbium, 68 

 Voluta, 68 

 Marginelia, 68 

 Colombella, 68 

 Mitra, 69 

 Cancellaria, 69 

 Buccinum, 69 



Buccinum proper, 69 

 Nassa, 70 

 Eburna, 70 

 Aucillaria, 70 

 Dolium, 70 



Dolium proper, 70 

 Perdix, 70 

 Harpa, 70 

 Perpura, 71 



Monoceros, 71 

 Sistra, 71 

 Ricinula, 71 

 Concholepas, 71 

 Casis, 71 

 Morio, 72 

 Tc-rabra, 72 

 Cerithium, 72 



Potaraida, 72 

 Murex, 73 



