242 MR. W. H. PEASE ON NEW MARINE SHELLS, [Noy. 11, 
Shell ovate, white, depressedly convex, clathrated by concentric and 
radiating ribs ; interstices deeply pitted ; apex anterior, lip crenated 
and lirate within on its edge. 
Length 83, breadth 6 mill. 
CyYTHARA STRIGATA. 
T. oblongo-ovata, alba, nitida, longitudinaliter costata ; costis 8, 
subdistantibus, transversim elevatim striatis, interstitiis trans- 
versim subtilissime striatis: apertura longitudinis teste di- 
midium haud equans. 
Shell oblong-ovate, white, shining, longitudinally ribbed; ribs 
bout eight, rather remote, transversely elevately striated or ridged ; 
interstices very finely striated transversely ; 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 maculata, 
longitudinaliter costata, transversim elevatim striata; anfr. 
convexis : apertura longitudinis teste dimidium haud @quans. 
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 63, breadth 23 mill. 
LAIMODONTA CONICA. 
T. ovato-conica, spira acuta, transversim striata, obsolete granu- 
losa, plicis prominentibus ; anfr. 5, plano-convewis : castaneo- 
fusca, fasctis pallidis cingulata. 
Shell ovato-conical, spire acute, striated transversely, obsoletely 
granulose by irregular longitudinal lines; plaits on inner hp 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 45, breadth 23 mill. 
RissoiNA SEMIPLICATA. 
T. subulata, polita, nitida, subpellucida, alba; anfr. 6, plano- 
converis; spira obsolete longitudinaliter plicata: 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 34, breadth 1} mill. 
EULIMA EXILIS. 
T. exiliter subulata, elongata, alba, polita, recta; anfr. nume- 
rosis, planis, sutura vie impressa; apertura parva, acuto-ovata, 
columella subcallosa. 
