242 MR. W. H. PEASE ON NEW MARINE SHELLS. [NoV. 1 1, 



Shell ovate, white, depressedly convex, clathrated hy concentric anil 

 radiating ribs ; interstices deeply pitted ; apex anterior, lip crenated 

 and lirate within on its edge. 



Length Sf, breadth 6 mill. 



Cythara strigata. 



T. ohlongo-ovata, alba, nitida, longitudinaliter eostata ; costis 8, 

 subdistantibus, transi^ersim elevatim striatis, interstifAis tranS' 

 versim subtilissime striatis : apertura longitudinis testce di- 

 midiiim haud csquans. 



Shell oblong-ovate, white, shining, longitudinally ribbed ; ribs 

 bout eight, rather remote, transversely clevately striated or ridged ; 

 interstices very finely striated transversely 5 aperture rather less than 

 half the length of the shell. 

 Length 7, breadth 2| mill. 



Clathurella maculosa. 



T. oblongo-ovata, alba, nitida, castaneo-fusco sparsim macidata, 

 longitudinaliter^ eostata, transversim elevatim striata ; anfr. 

 convexis : apertura longitudinis testce dimidium haud cequans. 



Shell oblong-ovate, white, shining, sparsely blotched with dark 

 chestnut -brown, longitudinally ribbed, transversely elevately striated. 

 Whorls convex ; aperture less than one-half the length of the shell. 



Length 6|, breadth 2| mill. 



Laimodonta conica. 



T. ovato-conica, spira acuta, transversim striata, obsolete granu- 

 losa, plicis prominentibus ; anfr. 5, plano-convexis : castaneo- 

 fusca, fasciis pallidis cingulata. 



Shell ovato-conical, spire acute, striated transversely, obsoletely 

 granulose by irregular longitudinal lines ; plaits on inner lip and 

 columella- fold at base prominent ; whorls five, plano-convex. Co- 

 lour dark chestnut-brown, encircled with one or two bands of a 

 lighter colour. 



Length 4|, breadth 2|- mill. 



RlSSOlNA SEMIPLICATA. 



T. subulata, polita, nitida, subpellucida, alba; anfr. 6, plano- 

 convexis ; spira obsolete longitudinaliter plicaia : apertura 

 ovata, antice obsolete canaliculata. 



Shell subulate, white, shining, subpellucid, polished ; whorls six, 

 plano-convex; spire longitudinally and somewhat obsoletely plicated ; 

 aperture ovate, basal canal very slight. 



Length 3^, breadth l^- mill. 



EULIMA EXILIS. 



T. exiliter subidata, elongata, alba, p>olita, recta; anfr. nume- 

 rosis, planis, sutura vix impressa : apertura parva, acuto-ovata, 

 columella subcallosa. 



