498 Zoological Society. 



Col. testa oblongo-subpyramidali, Icevigatd, alba, castaneo-sphace- 

 latd ; aplce obtuso ; anfractibus quuujue ; aperturd lata. 



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



CoLUMBELLA GUTTATA, nob., Thes. Conch. pi. 39. f. 124. Col. 

 testa oblongd, Icevi, castaned, albo- guttata, apice obtuso, violaceo ; 

 spird longiusculd, anfractibus 5, subplanulatis, ultimo magna ; 

 aperturd magna, latd, dentibus internis labii externi ir regular ibus, 

 labio columellari dente unico postico. 



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



CoLUMBELLA jASPiDEA, nob., Tlics. Conch. pi. 39. f. 125. Col. 

 testa oblongd, pyramiduli, Icevigatd, albicante, fulvo-marmoratd. 

 apice acuminato, roseo ; anfractibus 1 , costellatis, tenuissime decus- 

 satim striaiis, costellis ultimi anfractus antice obsoletis ; aperturd 

 latiusculd ; labio externa extiis incrassato, intus denticulis nonnuUis 

 munito, dente unico antice propc canalem admoto, labio columellari 

 antice tuber cvlarum oblonge instructo. 



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

 Cuming. 



CoLUMBELLA ACHATiNA, iiob., Tlics. Conch. pi. 39. f. 126. Col. 

 testd oblongo-tnrritd, Icevi, pallide brunneo-marmoratd , apice de- 

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

 cata, sulcis paucis, inconspicuis ; aperturd brevi, latiusculd, intiis 

 violascente, labio externa antice cffuso. 



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



CoLUMBELLA iMPOLiTA, uob., Thcs. Couch. pi. 39. f. 127. Col. 

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

 unicd albidd ; anfractibus 7, subplanulatis ; aperturd breviusculd, 

 sinuosd, denticulis internis labii externi paucis, prominentibus, labio 

 columellari antice pavlulilm levato. 



In Mr. Cuming's collection, 



CoLUMBELLA RUGULosA, nob., Tlies. CoucH. pi. 39. f. 131. Col. 

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

 maculisque parvis albidis ornatd ; anfractibtis 5, longitiidinaliter 

 costtttis, tenuiter decvssatim striatis, striis anticis fortioribus ; 

 aperturd latiusculd, dentibus internis labii externi paucis majus- 

 culis. 



Gallapagos Islands ; H. Cuming. 



CoLUMBELLA ATRAMENTARIA, nob., TheS. CoUch. pi. 40. f. 174. 



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

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

 aperturd latd, labio externa incrassato, interne denticulis subin- 

 conspicuis. 



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



CoLUMBELLA TicAONis, uob., Tlics. Conch. pi. 39. f. 142. Col. 

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

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

 iiusculis ; aperturd oblongd, labio externa extus incrassato, margine 

 tenui, denticulis internis paucis, parvulis. 



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