368 Zoological Society. 



fasciis duabus intemtptis latis rufescenti-brunneis ; faseid un- 

 tied pallidiore ; spird acum'matd, anfi'actibus septem vet octo ; 

 aperturd latiusculd prcecijme ad partem posticani ; labio ex- 

 terno crasso maryine acuta, intiis denticulato, denticulis qua- 

 tuor vel qidyique ; labio interno cum margine externa denticu- 

 lato, aurantiaco ; testd extus cancellatd striis spiralibus vali- 

 dis, longitudinalibus tenuihus ; peritremate pallide aurantiaco, 

 postice subobtuso angidart ; canali breviuseulo latiusculo. 



Length -^^-^ of an inch ; width, -^^-^ of an inch. 



Hab. ? Cah. Gaskoin. 



4. CoLXTMBELLA LEUCOSTOMA. Testa ovata, albicans, nitens, 

 postice faseid latd brunned spirali ornata ; apice albicante di- 

 midio antico anfractus idtimi albido ; spird acuminata, anfrac- 

 tibus septem ; aperturd guldque albis latiusculis. Hid postice 

 subquadratd, labio externa intus subdenticulato, dentibiis sex 

 posticis majoribns ; canali brevi latiuscido. 



Length, yYo^ of an inch ; width, ^y^ of an inch. 

 Hab. 1 Cah. Gaskoin. 



5. CoLUMBELLA Pacifica. Testa oblongo-ovata, lacteo-opaco , 

 maculis irregtdaribus distantibus rufescenti-brunneis ornata; 

 intus alba ; spird acuminatd, anfractibus convexis septem vel 

 octo postich obtusissime coronatis ; aperturd latd rectiusculd ; 

 labii externi margine tenui iyitus edentido ; labio interno Icevi 

 externe margine tenui; anfractu ultimo antice valde striata, 

 striis tenuioribus longitudinaliter decussantibus ; canali brevi, 

 lata, subreciirvo. 



This shell differs from Colmnbella Miser, Sowerhy, in the absence 

 of denticulation, in the last volution being much more gibbous, the 

 aperture much wider, the channel decided, the spire more pyramidal, 

 and much less coloration and markings. 



Length, -^^-^ of an inch ; width, y^o^ of an inch. 



Hah. Sandwich Islands. Cab. Gaskoin. 



G, CoLUMBELLA VAKicosA. Tcsta oblougo-ovata, nitens, crassa, 

 albicans, colore nigricanti-brunneo irregulariter induta ; mar- 

 ginibus posticis anfractuum albicantibus ; spird acuminatd, an- 

 fractibus septem vel octo subventricosis varicosis validis promi- 

 nentibus subobliqtiis inst metis ; j^arte anticd ultimi anfractus 

 Icevigatd, antice supra canalem transverse striata ; ajjerturd ob- 

 longd subquadratd rectd intus cceridescente, labio externa recto, 

 marginato postich incisurd magnd instructo, intus denticulato 

 denticulis posticis validiusculis, labio inferno Icevi margine elc- 

 vato tenui ; canali brevi latiusculo. 



Length, -^-^ of an inch ; width, -^^ of an inch. 



Hab. Peyta, Peru. Cab. Cuming, Gaskoin. 



7. CoLUMBELLA AusTRALis. Tcsta oblongo-ovatu, albicans, 

 maculis parvis irregularibus brunneis ineequalibtis ornata, ma- 

 joribus saturatioribusque apud marginem posticum anfractuum 

 positis ; spird acuminatd, anfractibus octo subgibbosis, apice al- 

 bicante ; aperturd latiusculd intus ccerulescente, labio externa 



