138 



COKCHOLOGY. 



very long conical tentacula ; eyes at the extremity of an inflation 

 which forms a part of them ; a transverse buccal orifice at the 

 extremity of a kind of cavity, at the bottom of which is the true 

 mouth between two thick vertical lips ; a lingual hand bristled 

 with small teeth and prolonged into the abdomen. 



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. 



Cypraea princeps. 

 C. mappa. 

 C. tigris. 

 C. pantherina. 

 C mauritania. 

 C. stercararia. 

 0. 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. 



Cyprsea dediculus. 



C. oryza, 



C. coccinella. 



C. Australis. 



C. Child rini. 



C. depauparata. 



C. solandri. 



C. Californica. 



C. suffusa. 



C. pacifica. 



C. pediculus. 



C. nivea. 



C. oryxa. 



C. stercus-muscarum. 



C. pulex. 



C. fusca. 



C. Europea. 



C. sanguinea. 



C. quadripunctata. 



C. rufescens. 



C. maugerise. 



C. aperta. 



C. Adansonii. 



C. caput-serpentis. 



C. Lamarchii. 



