UNIVALVES SERPULA. 195 



Scientific Name. Locality/. Common Name. 



Deuticulata Europe Toothed Serpula • 



Ocrea East Indian Seas Boot-shaped do • • 



Gigantea Caribbee Isles Great do • • 



Minute Shells. 



Stellaris Greenland Rayed pin's-head 



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 I[. — Detached. 



Semilunum Britain Small reed do • • 



Incurvata Incurved • • do • • 



Cereolus West Indies Bougie • • • • do • • 



Nebulosa American Seas Clouded tawny do 



Lumbricalis • • • • Amboyna 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-copiae Mauritius, in stones Cornucopia do • • 



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



Proboscidea Proboscis • • do • • 



Protensa Amboyna • Lengthened do • • 



Division III..— With a radiated border and perforated disk. 

 Aquaria Amboyna, Red Sea Watering-pot do 



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