Zoological Society, 499 



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

 Ticao, by H. Cuming. 



CoLi'MBELLA DECussATA, Hob., Thes. Conch. pi. 39. f. 133. Col. 

 testa oblongd, crassd, albd, fusco-marmoratd ; anfractibus 5, tuV' 

 gidiusculis, deciissathn costatd ; aperturd oblongd, subsinuosd, labia 

 externa albo, crasso, postice extiis obtuse angulato, margine externa 

 crenato. 



Australia; G. Humphrey. 



COLUMBELLA BLANDA, Sol., ThcS. CoUCh. pi. 39. f. 145, 146. Col. 



testd ovato-pyramidali,palUdd, apice act/to ; anfractibus 8, Icevibus, 

 longitudinaUter widnlatim fusco-lineatis, lineis prope suturam dor- 

 salem ultimi anfractus fortioribus ; aperturd laid, postice acumi- 

 natd, labio externa tenuiusculo, extiis ttirgida, intiis denticulis 

 parvis ijisti'ucto ; canali latiuscula. 

 Africa ; on the shore. Solander. 



CoLUMBELLA NivEA, nob., Thes. Conch, pi. 39. f. 151. Col. testd 

 ovato-pyramidali, crassiusculd, Icevi, tiived, apice acuminata; an- 

 fractibus S,j}rimis 6 lavigatis , penultimo longitudinaUter costellato, 

 ultima costato, ad partem dorsalem anticam Icevi; aperturd sitban- 

 gustd, subsinuosd, labio externa crasso, intiis subdenticulato, labio 

 columellari antice levato. 



In Mr. Cuming's collection. 



CoLUMBELLA suBULATA, nob., Thes. Conch. pi. 40. f. 158, 159. 

 Col. testd turrito-pyro.midali, lavigatd, albidd, epidermide tenui, 

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

 vexiusculis, primis acta Icevibus, iribus ultimis postice transversim 

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

 labio externa extiis incrassafa, intiis mediane incrassato, denticulato ; 

 labio interna incrassato, levato ; canali brevi, reflexo. 



In Mr. Xorris's collection : locality unknown. 



CoLUMBELLA PuELLA, nob., Thcs. Conch. pi. 40. f. 160, 161. Col. 

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

 vel bnrnned variegatd, anfractibus 9, longitudinaUter costellatis, 

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

 canali distincto, extus transversim sulcata ; 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 Uturisque 

 fiiscis ornatd ; spird acuminatd, conoidali ; anfractibus 6-7, lo7igi- 

 iudinaliter costatis, interstitiis costarum tenuiter transversim stri- 

 atis ; aperturd latiusculd. 



Pacific Ocean ; Cuming. 



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

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

 nata ; anfractibus 6, longitudinaUter costatis, decussatim striatis, 

 ultima antice prope labium externum variciformatum Icevigato, 



2L2 



