31 



Scientific name. 



Paphia, 



Fasciata, 



Succincta, 



Cinginda, 



Dysera, 



Tiara, 



Plicata, 



Excavata, 



Spinifera, 



Verrucosa, 



Rigida, 



Casina, 



Cancellata, 



Subcordata, 



Minima, 



Sulcata, 



Montagui, 



Scotica, 



Danmonia, 



Reflexa, 



Gallina, 



Chione, 



Maculata, 



Casta, 



Meretrix, 



Paradoxa, 



Lseta, 



Pinguis, 



Triradiata, 



Nebulosa, 



Exilis, 



Recens, 



Japonica, 



Striata, 



Castrensis, 



Pedunculus, 



Lorenziana, 



Locality. 

 W. Indies, Med. 

 do. do. G. Britain. 



do. do. Frith of Forth. 

 Am. and Asiatic Ocean. 

 East Indies. 

 Levant Sea. 

 Great Britain. 

 Devonshire. 

 Great Britain, Med. 

 W. Indies, Brazil. 

 Great Britain. 

 E. and W. Indies. 



Falmouth Harbor. 

 Coast of Scotland. 



do. do. 



do. do. 



Devonshire. 



Med., Norway, G. Brit. 



Asiatic O., Med., G. Br. 



W. I. Brazil, N.S.Wales. 



East Indies. 



I. Seas, Mo. of R.Ceylon. 



Coast of Peru. 



Medit. and Indian Seas. 



East Indies. 



Tranquebar. 



do. 

 Malabar. 

 Coromandel. 

 Japan. 



Nicobar Isles. 

 E. and W. Indies. 

 Red Sea, E. Indies. 

 Ceylon. 



Scientific name. 

 Circinati, 

 Caliste, 

 Compressa, 

 Exalbida, 

 Petulca, 

 Granulata, 

 Ovata, 

 Paupercula, 

 Flexuosa, 

 Mactroides, 

 Tripla, 

 Triangularis, 

 Malabarica, 

 Flammea, 

 Erycina, 

 Costata, 

 Pacifica, 

 Mercenaria, 

 Islandica, 

 Coaxans, 

 Lusoria, 

 Ornata, 

 Phryne, 

 Meroe, 

 Callipyga, 

 Deflorata, 

 Fimbriata, 

 Reticulata, 

 Puerpera, 

 Crenulata, 

 Radiata, 

 Cincta, 

 Squamosa, 

 Lapicida, 

 Diverge ns, 

 Plumbea, 



Locality. 

 Guinea, Frith of Forth. 

 Red Sea. 



Falkland Isles. 

 So. Coast of Europe. 

 W. Indies, G. Britain. 

 Great Britain. 

 Coromandel. 

 West Indies. 

 Guinea, W. Indies. 

 Africa, Mo. of the Niger. 

 C. of Devonshire. 

 Malabar. 

 Red Sea. 

 Europe, E. Indies. 

 Ceylon. 



South Seas, China. 

 N. America, Norway. 

 Iceland, G. Britain. 

 Rivers in Ceylon. 

 Amboyna, China. 

 Tranquebar, Mauritius. 

 S. Ocean, Persian Gulf. 

 E. Indies, Brazil. 

 Red Sea. 



G. Britain, W. Indies. 

 E. Indies, Pacific Ocean. 

 Tranquebar, N.S.Wales. 

 E. Indies, China. 



do. Campeachy. 



Amboyna. 



W. Indies, in Corals. 



do. 

 New Zealand. 



DIVISION III. Sub orbicular. 



Tigrina, 



Sinensis, 



Prostrata, 



Punctata, 



Excisa, 



Exoleta, 



Concentrica, 



Juvenis, 



Histrio, 



Undata, 



Timidula, 



W. Indies, Britain. 

 China. 

 Tranquebar. 

 New South Wales. 

 Tranquebar. 

 Jamaica, G. Britain. 

 N. Am. Jamaica, Brazil. 

 E. Indies. 



do. 

 Coast of Britain. 



Borealis, Coast of Europe. 

 Aculeata, 



Pectinata, Amboyna, South Sea. 



Discors, Mauritius, China. 



Dispar, South Sea. 



Equivoca, E. Indies. 

 Divaricata, do. 



Contraria, Guinea, W. Indies. 



Corrugata, Red Sea. 



Scripta, Amboyna, Naples, South 

 Seas. 



