114 



CoLUMBELLA BucciNoiDES. Col. tcstd oblongd, l(Evi, piceo-jugrd, 

 prope suturas paU'ule maailatd ; spird aamiinatd ; anfractibus 8, 

 nlt'inin infrh spbvliter striata ; labii extcrni extus subincrassati, 

 iiittis obsolete denticulati, marginesuperiori subemarginatd ; canuli 

 brevissimd : long. -,V, lat. ,V poll. 



Hah. ad oras Peruvianas. 



Found under stones at low water mark, at Ancon. It very closely 

 resembles a Bitccinum. 



CoLUMBELLA coRONATA. Col. tcstd oblotigo-acuminatd , albd, brun- 

 neo variegatd ; anfractibus 7-8, Uevibus, tribus ultimis serie uni- 

 cd tubercidormn mucronatorvm coronatis ; labio externa ititus den- 

 ticulato : long. ^4, lat. ^V poll. 



Hah. in Sinn Panamse sub lapidibus. 



A very pretty species^ which varies much in the arrangement of its 

 colours. 



CoLUMBELLA LYRATA. Col. testd oblo?igd, acmninotd, albidd, epi- 

 dermide fused indiitd ; anfractibus \0, longitudinaliter costatis, 

 costis infrtX nigris ; ultimo anfractu infrd spi^'aliter striato, su- 

 perne longitudinaliter costato, castis nigro-articulatis ; aperturd 

 oblongd, breviusculd, media coarctatd, labia externa intits deniicu- 

 lata : long. ,V» ^«^- -st^ poll. 



Hah. sub lapidibus in Sinu Panamae et ad Chiriqui. 



CoLUMBELLA UNCiNATA. Col. testd oblongd, utrinque acuminatd, 

 fulvd, fascid centrali albida-articulatd ; anfractibus 6-7 ; supe- 

 rioribus parvis, subnodulosis ; ultima maxima, superne angulato ; 

 aperturd longitudinali, elongatd, flexuosd, superne. in canalem 

 hrevem uncinafam porrectd ; labio externa incrassato, ititiis den- 

 ticulato, denticulis confertis ; labio interna granulosa : long, i^^y, 

 lat. tV poll. 



Hal), ad oras Columbiae. (Isle of Muerte, Bay of Guayaquil.) 



Found in sandy mud at a depth of ten fathoms. 



CoLUMBELLA ELEGANS. Col. testd elongato-subukitd, albd fusco 

 variegatd et retictilatd, epidermide tenui fulvd indiitd ; aifractibus 

 11-12, primis lav ibus, cceteris longitudinaliter costatis ; ultimo 

 infra spiraliter sulcata ; labio externa incrassato ; peritrcmate 

 subrefexo, stiperne intits emarginato, demiim dentibus nonnullis 

 internis ; labia interna lamellari ; canali incrassatd : long.l-^^-^, 

 lat. -^^ poll. 



Hah. ad Guacamayo in America Centrali. 



A very fine species, found in sandy mud. 



CoLUMBELLA UNiFASCiATA. Col. tcstd oblongo-pyramidali, Icevi, 

 castaneo-nigricante ; anfractibus 6, iuedio spiraliter albido teni- 

 fasciatis ; aperturd breviusculd ; peritremate intus denticulis 

 nonmillis : long. -rV. If^t. -rV (fere) poll. 



Hah. ad Valparaiso. 



Found under stones at low water. 



