M E L I C I N A. 



Plate XXIX. 



Spiicies 25G. (Mus. Brit.) 



IIklitina IIaxletana. IIcl. testa glohoso-conM, pallid!- 

 fulvd ; spird conici'i, arifnictiliKS convexiuscitlis ; 

 ultimo anfractu siibrofundo ; columelld triijond ; 

 lahio externa rotunda. 



Hanlev's Helicuna. Shell globose- conical, pale 

 fulvous; spire conical, whorls rather convex ; last 

 whorl rather round, columella trigonal ; outer lip 

 round. 



Pfeiffei;. Proc. Zool. Soc, 1848. 



Ilab. Xew Orleans. 



>pecies 



(Fig. a, h. .Mus. Brit. ) 



Helici.n-a Loi-is.ADENSis. lIcl. tcstd jKirvd, pdlUdissimh 

 fulvd, tenui ; gpird subcoiiicd, depressi'i, ultimo an- 

 fractu rotunda ; columelld parvd, trigond ; lahio 

 externa reflexo, alio. 



The LorisADA Helicina. Shell small, very pale 

 fulvous, thin; spire a little conical depressed, last 

 whorl round ; columella small, trigonal; outer lip 

 retlected, white. 



Forbes. Voyage of liattlesnako. 



Uab. Round Island. 



Species 258. (Fig. «, '', Mus. Brit.) 



Hei.icina Dysoxi. Hel. testa depresso-ylobosd, tenui, 

 spiraliter rubra trifasciatd ; spird conied, depressd ; 

 ultimo anfractu infrd, calloso, cnllo rotunda, alba ; 

 columella parvd, rectiusculd ; aperturd neiiiihiiKiri ; 

 lahio externa anguslo. 



Dyson's Helicina. Shell depressed-globose, thin, 

 spirally three-banded with red ; spire conical, 

 depressed ; last whorl callous below, callus 

 rounded white ; columella small, rather straight ; 

 aperture semilunar; outer lip narrow. 



Pfeikfer. Proc. Zool. Soc, 1848. 



Helicina foveata, PfeiiFer (Dysoui, var.). 



Hah. Honduras, Isl. St. Thomas. 



Species 259. (Fig. a, h, Mus. Brit.) 



Helicina modesta. Hel. testa globoso-suhangukdd, 

 luted, tenui ; spird conied, subelatd, anfractibus 

 convexiilsculis ; ultimo anfractu rotundo-angulato, 

 columelld trigand, acuminatd ; labia externa teniii. 



The modest Helicina. Shell globose-subangular, 

 yellow, thin ; spire conical, rather elated, whorls 

 rather convex ; last whorl rounded, angular ; 

 columella trigonal, acuminated ; outer lip thin. 



Pfeiffei:. Proc. Zool. See, 1853. 



Hah. New Hebrides. 



Species 2C(). (Mus. Brit.) 



Helicina occulta. Hel. tesld parvd, globosd, pallide 

 fulvd, salidiusculd, media alba fasciatd, suprd et 

 infrd ruhrofasciatd ; spird vix conied, anfractibus 

 parvis, canvexiusculis ; ultimo anfractu rotunda ; 

 columelld parvd, trigoru, albd ; labia externa albn, 

 planulata, reflexo. 



The hidden Helicina. Shell small, globose, pale 

 fulvous, rather solid, banded with white in the 

 middle, and with red above and below the 

 middle ; spire scarcely conical, whorls small, 

 rather convex ; last whorl rounded ; columella 

 small, trigonal, white ; outer lip white, ilattened, 

 reflected. 



SoWEKBY. Thes. Conch. Helicina, f. 137. 



Hab. New York. 



Species 2G1. (Mus. Brit.) 



Helicina oi:biculata. Hel. testd globosd, crassd, fulvd ; 

 spir'd parvd ; ultimo anfractu ventricoso ; callo 

 ventrali rotunda, columelld cum labia externa can- 

 fluent i, ad jiincturam obscurissime' angidato ; lahio 

 externa crassiiiscula ; apierlurd semicirculari. 



The orbicular Helicina. Shell globo.se, thick, fulvous ; 

 spire small ; last whorl ventricose ; ventral callus 



December, 1873. 



