COLUMBELLA.— Plate XXXL 



alba, strigii longitudinalihui aurarUio-ftiscis oblitd, I 

 anfractibus superne concavo-impressis ; aperturd parvd, 

 columelld excavatd, labro simpUci. i 



The smeared Columbella. Shell acuminately oblong, j 

 minutely spirally elevately striated throughout, I 

 transparent-white, smeared with longitudinal orange- I 

 brown streaks, whorls concavely impressed round the ' 

 upper part ; aperture small, columella excavated, lip | 

 simple. I 



Hob. Peru. 

 Spirally sculptured throughout with close-set raised 



striae, and coloured promiscuously with longitudinal smears 



of orange-brown. 



chestnut ribs purple ; aperture oblong, lip notched at 



the upper part, denticulated within. 



Hab. ? 



The longitudinal ribs of this species are unusually pro- 

 minent and dark-coloured, giving the shell a somewhat 

 cage-like appearance. 



Species 203. (Mus. Cuming.) 

 Columbella cavea. Col. testa ovatd, medio obesd, 



valide obliqtii tuberculato-costatd, cadaned, costis 



purpureis; aperturd oblongd, labro superne emarginalo, 



intus denticulato. 

 The bird-cage Columbella. Shell ovate, stout in 



the middle, strongly obliquely tubercularly ribbed. 



Species 204. (Mus. Cuming.) 

 Columbella tenebrica. Col. testd acuminalo-ovatd, 

 lavi, intense fulvo-castaned, obscure longiiudiiialiter 

 strigatd, anfractibus subplanulatis ; aperturd parvd, 

 fauce nigricanie-castaned, labro simplici. 

 The dark Columbella. Shell acuminately ovate, 

 smooth, dark fulvous-chestnut, obscurely longitudi- 

 nally streaked, whorls rather flattened ; aperture small, 

 interior blackish-chestnut, bp simple. 



n,!h. ? 



AUied to C. pnlla in form and general appearance, but 

 it will be found on examination to be obscurely striped, 

 while it has not the white columella distinctive of that 

 species. 



