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Scientific name. 



Fissurata, 



Barbadensis, 



Spadicea, 



Decussata, 



Variegata, 



Caffra, 



Locality. 

 Barbadoes. 



Africa. 



Scientific name. 

 Spiralis, 

 Patriarchalis, 

 Muriculata, 

 Pauperculata, 

 Pica, 

 Ferrugata, 



Locality. 

 Indian Seas. 

 East Indies. 

 Indian Ocean. 

 Mediterranean. 

 St. Bartholomew's. 



Family 2d. Spire half the length of the shelf. 



Cornicula, 



Scroeteri, 



Crenifera, 



Scabricula, 



Ruffina, 



Vulpecula, 



Castellans, 



Subdivisa, 



Melongena, 



Plicaria, 



Mediterranean, W. Ind. 



Guinea. 



Indian Seas. 



China. 



East Indies. 



Amboyna. 



East Indian Ocean. 



China. 



Rugosa, 



Scrutulata, 



Nigra, 



Casta, 



Serpentina, 



Digitalis, 



Episcopalis, 



Papalis, 



Thiara, 



Coronata, 



Indian Ocean. 



Guinea. 

 Amboyna. 

 Indian Ocean, 

 do. 

 do. China, Mauritius. 

 Amboyna. 

 Madagascar. 

 West Indies. 



SHELL LESS THAN HALF AN INCH IN LENGTH. 



Maculosa, 



Biplicata, 



Turricula, 



Lineata, 



Sulcata, 



Discors, 



Tarentum. 

 Tranquebar. 

 West Indies. 



Striata, 

 Lavigata, 



Ocellata, 



Nasuta, 



Marmorea, 



Minorca. 



Medit., W. Indies. 



do. 



do. 



do. 



Family 3d. Spire more than half the length of the shell. 



Acuminata, 



Virgo, 



Filaris, 



Filosa, 



Clathrus, 



Exasperata, 



Costata, 



Granosa, 



Nodulosa, 



Tranquebar. 

 Haynam. 



East Indies. 

 China. 

 East Indies. 



East Indian Ocean. 

 West Indies. 



Sarguisuga, 



Polygona, 

 Tseniata, 

 ( Jruentata, 

 Turrita, . 



Acus, 

 Abbatis, 



Amboyna, Med., South 

 Wales. 



Bombay. 

 East Indies. 



East Indies. 



DIVISION VI. Shell small, thick, strong, having the outer lip denticulated 



and rather angular. 



Mercatoria, Mediterranean. Torva, Barbadoes. 



Ziervagelii, Mendicaria, Mediterranean. 



Rustica, Med., Barbadoes, Africa. Nana, do. 



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