INDEX. 
xin 
Order VI. — PECTINIBRANCHIATA — ( continued) 
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. — Buqcjnoida, 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 
Marginella, 68 
Colombella, 68 
Mitra, 69 
Cancellaria, 69 
' Buccinum, 69 
Buccinum proper, 69 - 
Nassa, 70 
Eburna, 70 
Aucillaria, 70 
' Dolium, 70 
Dolium proper, 70 
Perdix, jo 
Harpa, 70 
Perpura, 71 
Monoceros, 71 
Sistra, 71 
Ricinula, 71 
Concbolepas, 71 
Casis, 71 
Morio, 72 
Terabra, 72 
Cerithium, 72 
Potamida, 72 
Murex, 73 
