-Mr. ]•]. Diiproy on Jersey Littoral Shells. 343 



Odostomia itnidentatn, Mont. 



lartfa, L. 



Natica cntfiHi, Da Costa. 



Al'lrri, Forbes. 



Adeorhis sidu-nriiuitus, Mont. Not uncommon. I havo kept living 

 speciiuciis for sovcnil wivks, and otl'or the t'ollowin;,' description 

 of tlio unimal : — ^Body white with ii j)inkish hue, Hcmitransparent, 

 fasily contaiiinlih' in the slicll : xuont rather lonjj, extensile, 

 cloven at its extremity, and of a hrij^ht red internally : tentacles 

 diverj^inj;, rather lonff. extensile, blunt, or even a little club- 

 8hai>ed : upper portion white, lower half pink inside : eijes very 

 small, ut the outward base and somewhat behind the tentacles, 

 under cover of the shell, and visible only when the unimal is 

 twisting itself: foot slightly notched in front, with rounded and 

 widened corners, nearly s(inare behind ; white, with a pinkish 

 stripe lengthwise along the middle : <jiU comb-like, on the right 

 side of the body, and not always protruded. 



It is not timid, and swims on its back under the surface of the 

 •water. Some shells are white ; but the greater number are of an 

 ochreous colour. 



Lamellaria j^fi'spicua, L. Rather common in autumn. 



Cerithium reticulntum. Da Costa. 



perversum, L. 



Purpura lapUlus, L. White, orange, brown, banded, and various 

 other colours. 



Bucciiiutn uiidatum, L. At low water, and also its egg-cases 

 adhering to stones. 



Mure,v erinaeeus, L. Inside of the shell sometimes dark brown. 



ncicxdatus, Lam. Common. The shell is sometimes of a 



light flesh -colour. 



Lachesix minuiia, Mont. 



Nassa reticulata, L. In some specimens the mouth is of a bright 

 green colour. 



incrassata, Striim. 



Defrancia Leufroifi, Michaud. 



purpurea, Mont. Body white, with specks of a more opaque 



white, and not tinged with purple or brown : pallial tuf>e grey. 

 Shell purple, sometimes with grey blotches. Ix-ngth US, breadth 

 0-3li. In smaller specimens, although full-grown, length = 0-4o. 



Pleurotoma rufa, Mont. 



, var. lacteal. Dead only. 



Cypnra europrva, Mont. Plain specimens are more common than 

 three-spotted ones. It can swim on its back. 



Bulla fiifdatis, L. Rare. Empty shells more common. 



Phillne ajterfa, L. 



Aphfsia punctata, Cuvier. 



Pleurohranrhns memhrainirnLg, Mont. Two young specimens. 

 Length of shell 0(\. 



plumula, Mont. 



Mflampus hidentntux, Mont. 



