H E L I C I N A. 



Species 19.'). (Fig. a, h, Mus. Brit.) 

 IlEI-ICIN.v i;i[oui. ini. tctr, ,jl.,l>o,:,, cannat,;, alhidA, 

 nonnunquwn castaneo pivpc carinain imifaaciatd ; 

 spird eleratd, anfractibiis guprd cnrinam ronvcns ; 

 ultimo anfractii medio validl' cariuato, infra carinain 

 convexo ; callo ventrali mayno, rotundo ; mlinaelld 



par 



ctiiisculd, labio externa mipernr dcpr 



infra ad junctiiran emarginato, medio expanno, 

 angidato. 



Bhok's Helicina. Shell globose, carinated, whitish, 

 sometimes with a single chestnut baml near the 

 keel ; spire elevated, whorls convex above the 

 keel, last whorl strongly keeled, convex below the 

 keel; ventral calhis large, rounded; columella 

 small, rather straight, outer lip dnpres';e<l above, 

 emarginated, expanded in the middle, angular. 



Pfeiffer. Proc. Zool. See., 1848. 



Helicina Marcliionessa, Hombrigh. 



Hub. ? 



Species lOG. (Fig. a, b, Mus. Brit.) 



Helicina UBEIiTA. ILL festd pard, de/ire.<.<d. rarina/d, 

 Julvd, nonnunquam rubro maridntd, intii.< aiircd , 

 Sjnrd convexd, apice mncronato ; anfraiiibus ^>iprd 

 carinam subrotundis, infra carinani rmwixis ; 

 ultimo anfractii paulu infrd ntediunt carinato ; 

 aperturd parvd. 



The fruitful Helicina. Shell small, depressed, 

 keeled, fulvous, sometimes spotted with red, 

 golden within ; spire convex, apex mucronate, 

 ■whorls rather rounded above the keel, convex 

 below the keel ; last whorl keeled a little below the 

 middle ; aperture small. 



Gould. Proc. Bost. Soc, 1817. 



Hab. Sandwich Islands. 



Species 197. (Mus. Brit.) 



Helicina albo-labris. ITel. fesld depressd, angulatd, 

 pallide rubra; spird bretn, conicd ; vllinio anfractii 

 pavld supra medium acute caiinatn, infrd, carinani 

 convexo, callo ventrali et columelld albidis, crassis ; 

 labio exlerno supra medium angulato, hand reflexo. 



The white-lipped Helicina. Shell depressed, angular, 

 pale red ; spire short, conical ; last whorl sharply 

 keeled a little above the middle, convex below the 

 keel, ventral callus and columella whitish, thick ; 

 outer lip angular above the middle, not reflected. 



HoMBRicn. Voy. Pol. Sud. Moll. 



Hab. Tahiti, 



Species IDS. (Mus. Brit.) 



Hei.icin-a roi;i:ur,ATA. //(■/. testa parrd, ralde depressd, 

 ani/iiJal'i, finni IS,, -fused, supra medium ruijoso- 

 ■undiiliil,), spiid (Lpressd; uUimo anfrartu acute 

 rariiiiil.i, ,iiriHii nmlnlafil ; callo ventrali cras- 

 siiisi-n/ii ; odiinii'lld cum lahio externa confluenti. 



The coi;i:riiATi;i> Hkliclva. Shell small, much de- 

 pressed, angular, suioky-linnvn, rnugiily undulated 

 above the niiildle, sjiire depressed; last whorl 

 sharply keeled, keel undulated; ventral calhis 

 rathi'r thick ; columella conllueut with the outer Ii]j. 



Pease. ? 



Hab. T.ahiti. 



A curious little species characterized by undulations 



on the upper part ol' the whorls and the keel. 



Species 109. (Mus. Brit.) 



Helii'INA MAUciF.RLE. JfeJ. tcsld depressd, crassd, an- 



1 : sjiird depresso-conicd ; 



'■ii ,;ifi,iaia castaneo mii- 



■tii tni'ilii'i acute carinato, 



■nil,, r, iilralilato aurantio, 



incrassato, ,;,liii,ii'll,i siihli-ii/inid ; labio externa 



crasso, auraiilid. iiu ili,,j,i;iiliicl(i, infrd ad juncturam 



Mauger's Helicina. Shell depressed, thick, angular, 

 pale reddish; .spire depressed-conical; whorls 

 single-banded with chestnut above and below the 

 keel, last whorl sharply keeled in the middle, 

 convex below the keel ; ventral callus broad, 

 orange, thickened, columella subtrigonal ; outer lip 

 thick, orange, produced in the middle, slightly 

 emarginated below at tlie juncture. 



Gr.\y. Zoological Journal, vol. i. p. 251. 



Hab. Marciuesas. 



The thickened orange callus and outer lip of this 



species distinguish it well from others. 



Species 200. (Mus. Brit.) 



Helicina aniu'lata. Hel. testa subdepressd, angulald, 

 'pallidi' stramined, maculis parvis suprd. et infrd 

 carinam varieyatd; spird conicd; ultimo anfractii 

 medio carinateo, infra medium convexo ; columelld 

 albd, infrd in .yn'ram curvam producto ; labio 

 externa suprd medium arcuato. 



The angular Helicina. Shell subdepressed, angular, 

 pale straw, variegated with small spots above and 

 below the keel ; spire conical ; last whorl cai-inated 



October, 1873. 



