498 Zoological Society. 



Col. testd oblong o-subpyramidali, Icevigatd, alba, castaneo-sphace- 



latd ; apice obtuso ; anfractibus quinque ; aperturd latd. 

 St. Vincent's ; Rev. L. Guilding. In my own collection. 

 Columbella guttata, nob., Thes. Conch, pi. 39. f. 124. Col. 



testd oblongd, Icevi, castaned, albo-guttatd, apice obtuso, violaceo ; 



spird longiusculd, anfractibus 5, subplanulatis, ultimo mag no ; 



aperturd magna, latd, dentibus internis labii externi irregularibus, 



labio columellari dente unico postico. 

 In Mr. Norris's and Mr. Stainforth's collections. 



Columbella jaspidea, nob., Thes. Conch, pi. 39. f. 125. Col. 

 testd oblongd, pyramidali, lavigatd, albicante, fulvo-marmoratd, 

 apice acuminato, roseo ; anfractibus 7 , costellatis, tenuissime decus- 

 satim striatis, costellis ultimi anfractds antice obsoletis ; aperturd 

 latiusculd; labio externo extus incrassato, intiis denticulis nonnullis 

 munito, dente unico antice pr ope canalem admoto, labio columellari 

 antice tuber cularum oblonge instructo. 

 Found under stones at low water on the island of Ticao, by Mr. 

 Cuming. 



Columbella achatina, nob., Thes. Conch, pi. 39. f. 126. Col. 

 testd oblong o-turritd, Icevi, pallide brunneo-marmoratd, apice de- 

 collate; anfractibus 6, convexiusculis, ultimo majori, antice sul- 

 cato, sulcis paucis, inconspicuis ; aperturd brevi, latiusculd, intus 

 violascente, labio externo antice effuso. 



In Mr. Cuming's collection ; from Swan River. 



Columbella impolita, nob., Thes. Conch, pi. 39. f. 127. Col. 

 testd oblongd, subturritd, Icevi, obscurd, fulvescente, fascid spirali 

 unicd albidd ; anfractibus 7, subplanulatis; aperturd breviusculd, 

 sinuosd, denticulis internis labii externi paucis, prominentibus, labio 

 columellari antice paululum levato. 



In Mr. Cuming's collection. 



Columbella rugulosa, nob., Thes. Conch, pi. 39. f. 131. Col. 

 testd obovatd, rugulosd, crassd, violaceo -nigricante, fascid anticd 

 maculisque parvis albidis ornatd; anfractibus 5, longitudinaliter 

 costatis, tenuiter decussatim striatis, striis unticis fortioribus ; 

 aperturd latiusculd, dentibus internis labii externi paucis majus- 



Gallapagos Islands ; H. Cuming. 



Columbella atramentaria, nob., Thes. Conch, pi. 40. f. 174. 

 Col. testd ovato-acuminatd, crassd, medio ventricoso, transversim 

 striata, nigrd; anfractibus 5—6, tenuiter longitudinaliter costatis ; 

 aperturd latd, labio externo incrassato, interne denticulis subin- 

 conspicuis. 



Chatham Island, Gallapagos ; G. B. Sowerby's collection. 



Columbella ticaonis, nob., Thes. Conch, pi. 39. f. 142. Col. 

 testd oblongd, utrdque acuminatd, medio turgido, pallescente, cas- 

 taneo-sphacelatd ; anfractibus 6, transversim striatis, suturis leva- 

 tiusculis ; aperturd oblongd, labio externo extus incrassato, margine 

 tenui, denticulis internis paucis, parvulis. 



