Zoological Society. 499 



Found at a depth of seven fathoms in sandy mud, at the island of 

 Ticao, by H. Cuming. 



Columbella decussata, nob., Thes. Conch, pi. 39. f. 133. Col. 

 testd oblongd, crassd, albd, fusco-marmoratd ; anfractibus 5, tur- 

 gidiusculis, decussatim costatd ; aperturd oblongd, subsinuosd, labio 

 externo albo, crasso, postice extds obtuse angulato, margine externo 

 crenato. 



Australia; G. Humphrey. 



Columbella blanda, Sol., Thes. Conch, pi. 39. f. 145, 146. Col. 

 testd ovato-pyramidali, pallidd, apice acuto ; anfractibus 8, Icevibus, 

 longitudinaliter undulatim fusco-lineatis, lineis prope suturam dor- 

 salem ultimi anfractds fortioribus ; aperturd laid, postice acumi- 

 natd, labio externo tenuiusculo, extds turgido, intus denticulis 

 parvis instructo ; canali latiusculo. 



Africa ; on the shore. Solander. 



Columbella nivea, nob., Thes. Conch, pi. 39. f. 151. Col. testd 

 ovato-pyramidali, crassiusculd, Icevi, nived, apice acuminato ; an- 

 fractibus 8,primis 6 Icevigatis, penultimo longitudinaliter costellato, 

 ultimo costato, ad partem dor salem anticam Icevi; aperturd suban- 

 gustd, subsinuosd, labio externo crasso, intus subdenticulato, labio 

 columellari antice levato. 



In Mr. Cuming's collection. 



Columbella subulata, nob., Thes. Conch, pi. 40. f. 158, 159. 

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

 corned, pallescente indutd ; spird subulatd, anfractibus decern, con- 

 vexiusculis, primis octo Icevibus, tribus ultimis postice transversim 

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

 labio externo extils incrassato, intus mediane incrassato, denticulato ; 

 labio interna incrassato, levato ; canali brevi, reflexo. 



In Mr. Norris's collection : locality unknown. 



Columbella Puella, nob., Thes. Conch, pi. 40. f. 160, 161. Col. 

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

 vel brunned variegatd, anfractibus 9, longitudinaliter costellatis, 

 Icevibus, ultimo antice transversim striato ; suturd crenulatd, albd ; 

 canali distincto, extils transversim sulcato ; aperturd oblongd, sub' 

 rhomboided, labio columellari uniplicato. 

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

 tudinal ribs occurs at Catbalonga. 



Columbella suffusa, nob., Thes. Conch, pi. 40. f. 166, 167. 

 Col. testd oblongd, crassiusculd, albicante, maculis liturisque 

 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., Thes.jConch. 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 Icevigato, 



2L2 



