UNIVALVES SERPULA. 195 



ScicTitific Name. Locality. Common Name. 



Denticulata Europe Toothed Serpula • 



Ocrea East Indian Seas Boot-shaped do • • 



Gigantea Caribbee Isles Great do • • 



Minute Shells. 



Stellaris Greenland Rayed pin's-hcad 



Planorbis Europe Flat do 



Minuta Ditto Minute do 



Spirorbis Ditto Tapering • • do 



Carinata Ditto Keeled do 



Granulata Grained • • • do 



Cancellata Greenland Grooved • • do 



Heterostropha • • • Britain Reversed • do 



Lucida Ditto Shining • • do 



Vitrea Greenland Glossy • • • do 



Division II. — Detached. 



Semilununi Britain Small reed do •• 



Incurvata Incurved • • do • • 



Cereolus West Indies Bougie do • • 



Nebulosa American Seas Clouded tawny do 



Lunibricalis Aniboyua Cork-screw do • • 



Arenaria India Sandy do • • 



Afra - - Goree Smooth brown do 



Volvox E. Indies Caterpillar do • • 



Anguina Ditto, China, Sicily Serpent • • • do • • 



Muricata Indian Ocean Prickly • • • do • • 



Annularis Ringed snake do 



Retorta Mediterranean Retort-shap'd do • 



Cornu-copiiB Mauritius, in stones Cornucopia do • • 



Decussata Barbadoes, America • • • • Decussated do • • 



Proboscidea Proboscis "do • • 



Protensa Amboyna Lengthened do • • 



Division lll.^With a radiated border and perforated disk. 

 Aquaria Amboyna, Red Sea Watering-pot do 



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