52 



ultimo costato, ad partem dorsalein anticam Itevi ; aperiurd suhan- 

 gustd, subsinuosd, labio eiterno crasso, intus subdenticulato, labio 

 columellari antice levato. 

 In Mr. Cuming's coUection. 



CoLūMBELLA suBULATA, nob., Thcs. Conch. pi. 40. f. 158, 159. 

 Col. testu turrito-pyramidali, Icevigatd, albidd, epidermide tenui, 

 corned, pallescente indutd ; spira subulatd, anfractibus decem, con- 

 vexiusculis, primis octo l<evibus, tribus nltimis postice transversitn 

 striatis, ultimo striato, postice tumido ; aperturn sinuosd, albd, 

 labio eiterno extus incrassato, intiis mediane incrassato.deniiculato ; 

 labio interno incrassato, levato; canali brevi, refleio. 



In Mr. Norris's collection : locality unknovvn. 



CoLŲMBELLA PuELLA, nob., Thes. Conch. pi. 40. f. 160, 161. Col. 

 testd ovato-pyramidali, spira acuminatd, acutd, pallide castaned 

 vel brunned variegatd, anfractibus 9, longitudinaliter costellatis, 

 lavibus, ultimo antice transversitn striato ; suturd crenulatd, albd ; 

 canali distincto, extus transversitn sulcato ; aperturd oblongd, sub- 

 rkomboided, labio columellari uniplicato. 



From Buriąs ; H. Cuming. A variety nearly free from the longi- 

 tudinal ribs occurs at Catbalonga. 



CoLUMBELLA suFFūSA, Dob., Thes. Concli. pi. 40. f. 166, 167. 

 Col. testd oblongd, crassiusculd, albicante, maculis liturisgue 

 fuscis ornatd ; spird acuminatd, conoidali ; anfractibus 6-7, longi- 

 tudinaliter costatis, interstitiis costarum tenuiter transversim stri- 

 atis ; aperturd latiusculd. 



Pacific Ocean ; Cuming. 



CoLUMBELLA PARVA, nob., Tlies. Conch. pi. 40. f. 170. Col. testd 

 oblongd, pallidd, fascid spirali castaned unicd ornatd, apice acumi- 

 nato ; anfractibus 6, longitudinaliter costatis, decussatim striatis, 

 ultimo antice prope labium externum variciformatum leevigato, 

 supra canalem transversim striato; aperturd breviusculd, sub- 

 sinuosd, labio columellari levato. 



Found under stones at Monte Christi, West Columbia ; H. Cuming. 



CoLUMBELLA CATENATA, uob., Thcs. Conch. pi. 40. f. 171. Col. 

 testd oblongd, crassii, pallidd, undulatim castaneo-marmoratd, apice 

 acuminato, obtusiusculo ; anfractibus 6, longitudinaliter costatis, 

 interstitiis lavibus, ultimo antice transversitn striato ; aperturd 

 latiusculd, denticuUs parvis 4, labii columellaris obtusis. 



Locality unknovvn ; Mr. Cuming's collection. 



CoLUMBELLA NiGRiCANs, uob., Thcs. Conch. pi. 40. f. 172. Col. 

 testd oblongd, nigricante, apice acuminato, anfractibus 6, longitu- 

 dinaliter costatis, interstitiis costarum tenuiter transversim striatis; 

 suturd distinctd, crenulatd, albicante, margine labii externipallido. 



Gallapagos Islands ; Mr. Cuming's collection. 



CoLUMBELLA DoRMiTOR, nob., Thcs. Conch. pi. 40. f. 173. Col. 

 testd ovatoconoided, pallescente, spird conicd, breviusculd ; anfrac- 



