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DIVISION II. Shell ovate, smooth, outer margin thickened, aperture 



nearly entire. 



Locality. 



Scientific name. 



Locality. 



Scientific name. 



I 



Elegans, 





Faba, 



Bombay 



Pallida, 



Senegal, Britain. 



Strigata, 



Guinea. 



Exilis, 



do. 



Prunurn, 



Goree. 



Monilis, 



China. 



Chimnitzii, 



Guinea. 



Miliaria, 



Mediterranean. 



Glabella, 



do. 



Guttata, 



Jamaica. 



Picta, 



Brazils. 



Marginata, 



Guinea. 



Castanea, 



do. 



DIVISION III. Shell ovate, smooth, spire fiat, aperture effuse, linear. 



Porcellana, 



Indian Ocean. 



Bullata, 



East Indies. 



Persecula, 



African Ocean. 



Lsevis, 



Devon., W. Indies 



Cingulata, 



Cape Verd, Goree. 



Catenata, 



England, do. 



DIVISION IV. Shell subcylindrical, enamelled and emarginated. 

 Family 1st. Spire rather obtuse. 



Porphyrea, W. Indies, S. America. Incrassata, Brazils, do. 



Erythrostoma, Amboyna, Mauritius, So. Pinguis, Brazils. 



Seas. Tigrina, Eastern Ocean. 



Oliva, do. Brazils, E. W. Ind. Cameola, Moluccas. 



South Seas. Micans, do. Mauritius. 



Ventricosa, Mendana, Moluccas. 



Family 2cZ. Spire prominent or conical. 



Cruenta, 



Amboyna, Mauritius. 



Nivea, 



West Indies. 



Annulata, 



do. 



Jaspedea, 



Philippine Isles. 



Gibbosa, 



Coromandel, Madagas. 



Ancilla, 





Ispedula, 



Moluccas. 



Nitidula, 



do. Moluccas, M 



Hiatula, 



Africa. 



Oryza, 





Ampla, 









DIVISION V. Shell fusiform, generally striated or ribbed, either longitu- 

 dinally or transversely. 



Family 1st. Spire less than half the length of the shell. 



Crenulata, 



Fenestrata, 



Dactylus, 



Conus, 



Texurata, 



Microzonias, 



Tringa, 



East Indies. 

 Indian Seas. 

 Bengal, India. 



Indian Ocean, Medit. 

 Mediterranean. 



Leucozonias, 



Morio, 



Aurantia, 



Vitulina, 



Olivaria, 



Nubila, 



Pertusa, 



West Indies. 



Indian Seas. 



Friendly Isles. 

 East Indies. 



