148 



CONCHOLOGY. 



Shell. Oval, convex, very smooth, involute ; spire entirely 

 posterior, very small, often concealed by a calcareous layer de- 

 posited by the lobes of the mantle ; aperture longitudinal, very 

 narrow, slightly arcuated, as long as the shell, and with the edges 

 internally dentated, and notched at each extremity. Inhabits the 

 W. Indian seas and Sandwich Islands. One hundred and eigh- 

 teen species. 



Cyprsea princeps. 



C. mappa. 



C. tigris. 



C. pmtherina. 



C. mauritania. 



C stercoraria. 



C. aurora. 



C. leucodon. 



C. sulcidentata. 



C. Arabica. 



C. lynx. 



C. vitellus. 



C. carneola. 



C. cinerea. 



C. Reevi. 



C. obscurus. 



C. achatina. 



C. arenosa. 



C. nivosa. 



C. Broderipii. 



C. exanthema. 



C. cervus. 



C. testudinaria. 



C. talpa. 



C. exusta. 



C. argus. 



C. scurra. 



C. pulchra. 



C. Isabella. 



C, controversa. 



C. lurida. 



Cyprsea dediculus. 



C, oryza. 



C. coccinella. 



C Australis. 



C. Childrini. 



C. depauparata. 



C. solandri. 



C. Californica. 



C. suff'usa. 



C. Pacifica. 



C. pediculus. 



C. nivea 



C. oryxa. 



C. stercus-muscarum. 



C. pulex. 



C. fusca. 



C. Europea. 



C. sanguinea. 



C. quadripunctata. 



C. rufescens. 



C. maugeriae. 



C. aperta. 



C. Adansonii. 



C. caput-serpen tis. 



C. Lamarchii. 



C. Cumingii. 



C Goodalii. 



C. Humphrey sii. 



C. Walkeri. 



C. Listeri. 



C. pulchella. 



