500 Zoological Society. 



supra canalem transversim striato; aperturd breviusculd, sub- 

 sinuosd, labio columellari levato. 

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



Columbella catenata, nob., Thes. Conch, pi. 40. f. 171. Col. 

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

 acuminato, obtusiusculo ; anfractibus 6, longitudinaliter costatis, 

 interstitiis Icevibus, ultimo antice transversim striato ; aperturd 

 latiusculd, denticulis parvis 4, labii columellaris obtusis. 



Locality unknown ; Mr. Cuming's collection. 



Columbella nigricans, nob., Thes. 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., Thes. Conch, pi. 40. f. 173. Col. 

 testd ovato-conoided, pallescente, spird conicd, breviusculd ; anfrac- 

 tibus 6, transversim sulcatis ; aperturd Icevigatd, margine interno 

 labii externi crenulato. 



St. Vincent's ; Rev. L. Guilding. In Mr. Gray's collection. 



Columbella Guildingii, nob., Thes, Conch, pi. 40. f. 175, 176. 

 Col. testd oblong o-pyramidali, pallescente, brunneo-variegatd, apice 

 acum.inato-subturritd ; anfractibus 6, longitudinaliter costatis et 

 transversim striatis ; aperturd longiusculd, sinuosd, canali subelon- 

 gato, extiis transversim sulcato. 



In the British Museum ; found at St. Vincent's by the late Rev. 

 Lansdowne Guilding. 



Columbella Broderipii, nob., Thes. Conch, pi. 40. f. 178, 179. 

 Col. testd oblong o-turritd, Icevi, castaned, varie albo-maculatd et 

 guttatd; anfractibus 5, subventricosis, oblongd, latiusculd, labio 

 externo inths denticulis 2-3 obsoletis instructo ; anfractu ultimo 

 antice transversim striato. 



Alboran Island ; W. J. Broderip, Esq. In the British Museum. 



Columbella Kraussii, nob., Thes. Conch, pi. 40. f. 180, 181. 

 Col. testd ovato-oblongd, la3vi, albicante, lineis castaneis undulatis 

 signatd; anfractibus 5-6, subventricosis, longitudinaliter costel- 

 latis, costellis distantibus, interstitiis Icevibus ; aperturd laid; 

 canali brevissimo. 



In the British Museum ; found at Natal by Dr. Krauss. 



Columbella monilifera, nob., Thes. Conch, pi. 40. f. 177. Col. 

 testd turritd, albd, maculis irregularibus brunneis pictd, spird 

 acuminata; anfractibus 7, longitudinaliter costatis et transversim 

 sulcatis, series ires posticas et seriem unicam costellarum granuli- 

 ferarum anticam efformantibus ; aperturd brevi, latiusculd. 



From the West Indies ; the late G. Humphrey. 



Columbella pusilla, nob., Thes. Conch, pi. 40. f. 182, 183. 

 Col. testd ovatd, lavi, albicante, lineis pallide brunneis pictd ; spird, 

 subacuminatd ; anfractibus 5-6, subventricosis ; aperturd latiusculd, 



