COLUMBELLA 



Species 5. (l''ig. n, b, Mus. Cuming.) 

 CoLUMBELLA liiKMASTOMA. Col. testd oblongd, lamjatd, 

 apice acuminato ; anfractibus septem ad octo, castaneia 

 albo maculatis; aperlitrd elongald, flexuosd, labia ex- 

 terna extits inerassato, siiperne proniinenie, albo, peri- 

 tremale aurantiaco, intus deiiticidato, columelld unilu- 

 berculatd. 

 The keu-mouthed Columbella. Shell oblong, smooth, 

 apex acuminated ; whorls seven to eight, chestnut 

 spotted with white; aperture elongated, flexuous, 

 outer lip thickened without, prominent at the upper 

 part, white, peritreme orange, denticulated within, 

 columella onc-lubercled. 

 SowEEBY, Pro. Zool. See. 1832, p. 11 G. 

 Hab. Galapagos Islands and Panama (under stones) ; 

 Cuming. 

 Prettily characterized ijy an orange-red mouth, con- 

 tracted aud tubercled in tlie middle. 



Species 6. (Fig. a, b, Mus. Cuming.) 



CoLDMBELLA CASTANEA. Col. tedd ovato-obloHija, casia- 

 ned, pmidulis albidis conspersd, spird breviusculd, acu- 

 minatd, anfractibus quinque, superne atiffuliferis, ultimo 

 magna ad basin spiraliler sulcata ; aperturd elongatd, 

 flexuosd, peritremate aurantiaco, labia externo intus 

 denticnlato, interna superne calUfero, medio albo, croso, 

 infra pUcato-rugosa. 



TuE CHESTNUT CoLDMBELLA. Shell ovately oblong, 

 chestnut, sprinkled with whitish dots, spire rather 

 short, acuminated, whorls five, angular at the upper 

 part, the last large, spirally grooved at the base ; 

 aperture elongated, flexuous, peritreme orange, outer 

 lip denticulated within, inner lip callous at the upper 

 part, white and eroded in the middle, below plicately 

 wrinkled. 



SowERBY, Pro. Zool. Soc. 1832, p. 118. 



Hab. Ileal Llejos, Central America. 



A minutely dotted chestnut shell, peculiarly depressly 



angled at the suture. 



Species 7. (Fig. a, b, Mus. Cuming.) 

 CoLUMBELLA MAJOK. Col. lestd avatd, media gibbasd, 

 castaned alba punctata et strigatd, spird pyramidali, 

 acuminata, anfractibus sex ad septem, lavigaiis, ulti- 

 ma maxima, superw. rotundato-turgido, infra spiraliler 

 sulcata; aperturd elongatd, flexuasd, albd, superne an- 

 gulatd, labia externo superne obtuse angulato, albo, 

 intus denliculata, labia columellari sitperne caUifero, 

 infra pUcata-rugosa. 

 The lakgeu Columbella. Shell ovate, gibbous in the 



middle, chestnut dotted and striped with white, 

 spire pyramidal, acuminated, whorls six to seven, 

 smooth, the last very large, rotundately swollen at 

 the upper part, spirally grooved below ; aperture 

 elongated, flexuous, white, angled at the upper part, 

 outer lip obtusely angled at the upper part, white, 

 denticulated within, columellar lip callous at the 

 upper part, plicately wrinkled below. 

 SowERBY, Pro. Zool. Soc. 1832, p. 119. 

 Hah. Island of Muerte, West Columbia (under stones) ; 

 Cuming. 

 Closely allied to C. Strambifarmis, from which spe- 

 cies it chiefly differs in having the spire more acumi- 

 nated. 



Species 8. (Fig. a, b, Mus. Cuming.) 



CoLUMBELLA Strombifokmis. Cul. testd trigona-ovatd, 

 turgidd, castaned albo strigatd, spird breviusculd, 

 acutd, anfractibus sex superne obtuse angulafm, suturis 

 subimpressis ; labia extei-no superne prominente, media 

 cantracto, intus inerassato et tenuidenticulata. 



The Strombus-shaped Columbella. Shell triangu- 

 larly ovate, swollen, chestnut streaked with white, 

 spire rather short, sharp, whorls six, obtusely angled 

 at the upper part, with the sutures rather impressed ; 

 outer lip prominent at the upper part, contracted in 

 the middle, thickened and finely denticulated within. 



Lamarck, Anim. sans vert. vol. x. p. 266. 



Hab. Island of Muerte, West Columbia ; Cuming. 



This species has very much the appearance of the last, 



differing in having a sharper and less pyramidal spire 



sunk at the sutures. 



Species 9. (Fig. a, b, Mus. Cuming.) 



Columbella puscata. Col. tesld ovato-acuminatd, ms- 

 dio ventricosd, castaned alba guttulatd, epidermide 

 fused indutd, spird acutd, anfractibus septem, Iccviga- 

 tis; aperturd elongatd, fexuasd, peritremate alba out 

 violaceo, intus denticulalo, columella inferno dentieu- 

 latd. 



The fuscous Columbella. Shell ovately acuminated, 

 ventricose in the middle, chestnut dotted with white, 

 covered with a fuscous epidermis, spire sharp, whorls 

 seven, smooth; aperture elongated, flexuous, peri- 

 treme white or violet, denticulated within, columella 

 denticulated below. 



Sowerby, Pro. Zool. Soc. 1832, p. 117. 



Ilab. Panama and West Columbia (under stones) ; 



Of a smooth ovul form, profusely white-dotted upon a 

 dark livid-chestnut ground. 



January, 1858. 



