236 BULLETIN 91, UNITED STATES NATIONAL MUSEUM. 



Crassatella glabrata Lamarck, Ocean d'Afrique ? de l'Inde? 



subquadrata Sowerby, Agulhas Bank, South Africa. 

 tenuis Sowerby, Cape St. Blaize. 

 Crepidula adspersa Dunker, Guinea. 



capensis Quoy, Table Bay; Cape of Good Hope. 

 rugulosa Dunker, Cape of Good Hope. 

 Cryptodon investigatoris Smith, Ceylon, off Colombo. 

 polygonius Gould, Simons Bay. 

 subradiatus Gould, Simons Bay. 

 Cryptogramma arakauensis Nevill, Arakon. 

 Cultellus decipiens Smith, Port Alfred. 

 pellucidus Pennant, British. 

 Cuspidaria forticostata Sowerby, Cape Natal. 

 gilchristi Sowerby, Cape Natal. 

 nasuta Sowerby, Cape Point Lighthouse. 

 optima Sowerby, Umtralumi River, mouth. 

 Cyclas capensis Krauss, Knysna River. 



ferruginea Krauss, Knysna River. 

 Cyclostoma ligatura Lamarck, Madagascar. 



Cyclostrema cingulifcra A. Adams, Negros, Philippine Islands; Japan. 

 injlata Sowerby, Port Elizabeth. 

 pellucida Smith, Port Shepstone, Natal. 

 rotundata Sowerby, Port Elizabeth. 

 semisculptum Martens, Agulhas Bank; South Africa. 

 Cylichna fragilis Jeffreys, Spezia, Spain. 



nitens Smith, Fiji Islands. 

 Cylindrobulla sculpta G. and H. Nevill, Ceylon. 

 Cypraea angustata Gmelin. 



annulus Linnaeus, Amboyna. 



arabica Linnaeus, East Indies; Sunda Strait. 



barclayi Reeve, Mauritius. 



caput-serpentis Linnaeus, Mauritius. 



carneola Linnaeus, Asia. 



caurica Linnaeus. 



clandestina Linnaeus. 



costata Gmelin. 



cribraria Linnaeus. 



cruenta Gmelin. 



erosa Linnaeus, Mauritius and Ascension Islands. 



felina Gmelin. 



fultoni Sowerby, South Africa. 



fuscodentata Gray, Cape of Good Hope. 



helvola Linnaeus. 



Isabella Linnaeus, Mauritius; Madagascar. 



larnarckii Gray, Indian Ocean. 



listeri Gray, Bengal. 



lynx Lamarck, coasts of Madagascar; Isle of France. 



miliaris Gmelin. 



minorideus Melvill, Pacific Ocean? 



moneta Linnaeus, Mediterranean Sea (shores of Africa). 



nebulosa Kiener, Cape of Good Hope. 



neglecta Sowerby (Mauritius; Borneo)? 



ocellata Linnaeus. 



ovulata Lamarck. 



