COLUMBELLA.— Plate XXI. 



Species 123. (Mus. Cuming.) 

 CoLUMBELLA SPADICEA. Col. lestd cijUndraceo-oblongd, 

 apice acuminata, castaneo-nigrd, zonula albidd medio 

 cingulatd, bad albidd, anfractibus longitudinaliter 

 dense costatis, coslis subgranosis ; aperturd parvd, sub- 

 denticulotd. 

 The BAY CoLUMBELLA. Shell cylindrically oblong, acu- 

 minated at the apex, chestnut-black, encircled round 

 the middle with a small whitish zone, base whitish, 

 whorls longitudinally closely ribbed, ribs slightly 

 grained ; aperture small, faintly denticulated. 

 Phiuppi, MS. Mus. Cuming. 

 Hab. Mazatlan. 



A shining chestnut-black shell, discoloured specimens 

 of which are probably of a light red or bay colour, closely 

 ribbed throughout, encii-cled round the middle with a nar- 

 row white zone. 



Species 124. (Mus. Cuming.) 



CoLUMBELLA ATRAMENTARIA. Col. teHd acuminato-ova- 

 td, crassd, medio ventricosd, caruleo-nigrd, sparsim al- 

 bipunctatd, spiraliter dense mlcato-striatd, longitudina- 

 liter plicato-codatd, costis inferne evanidis; aperturd 

 ovatd, dentkulatd,fauce intense violaced, labro aupeme 

 subemarginato. 



The inky Columbella. Shell acuminately ovate, thick, 

 ventricose in the middle, blue-black, sparsely white- 

 dotted, spirally densely groove-striated, longitudinally 

 plicately ribbed, ribs fading towards the lower part ; 

 aperture ovate, denticulated, interior deep-violet, lip 

 slightly notched at the upper part. 



SowERBY, Pro. Zool. Soc. 1844, p. 51. 



Hab. Chatham Island, Galapagos. 



A solid, partially ribbed, blue-black shell, obscurely 



white-dotted towards the base, with the aperture deep- 

 violet. 



Species 125. (Mus. Cuming.) 



CoLUMBELLA lachryma. Col. testd abbreviato-fusiformi, 

 utrinque attenuatd, nived, aurantio-fusco pallide tincta, 

 superjicie omnino caticellaid, spird conicd, dense gra- 

 natd ; aperturd elongaid, anguatd, lairo auperne emar- 

 ginato. 



The tear Columbella. Shell shortly fusiform, atte- 

 nuated at each extremity, snow-white, faintly stained 

 with orange-brown, surface entirely cancellated, spire 

 conical, densely grained ; aperture elongated, narrow, 

 lip notched at the upper part. 



Gaskoin, MS. Mus. Cuming. 



Hab. ? 



Of a distinct typical form, unusually attenuated towards 

 the base, while the spire is largely conical. 



Species 126. (Mus. Cuming.) 



Columbella cancellata. Col. testd ovatd, medio ven- 

 tricosiusculd, aurantio-carned, apice basiqiie rosaceis, 

 superfine omnino cancellata, infra suturas granulaid; 

 aperturd brevi, intus denticulatd, labro superiii sube- 

 marginato. 



The cancellated Columbella. Shell ovate, rather 

 ventricose iu the middle, orange-fleshy apex and base 

 pink, surface entirely cancellated, granulated below 

 the sutures ; aperture short, denticulated within, lip 

 slightly notched at the upper part. 



Gaskoin, Pro. Zool. Soc. 1851, p. 6. 



Eab. West Indies. 



Readily distinguished by its solid cancellated sculpture 



and soft orange-pink tone of colouring. 



