II E L I C I N A. 



Species 217. (Mus. Bnt.) 



Helicina n.EMASTOMA. Hcl. testa sitl/globosd, kevi, alba, 

 (1(1 lahium externum, callum ventralem apiccmqiie 

 riridi' ruhra ; spird hrcvi, aiifvactihiis parcis, 

 ultimo anfractu subventricoso, medio obscure aiigu- 

 lalo ; labio externo superne subdepresso, medio 

 subangulato,clevato ; coUmcUd rectiascidd, adjiinc- 

 tiiram cinieafu. 



TiiE i:ed-mouthed Helicina. Shell suhglobose, 

 smooth, white, bright red at the outer lip, ventral 

 cuUus and apex ; spire short, whorls small, last 

 whorl rather ventricose, obscurely angular in the 

 middle ; outer lip rather depressed, a little angular 

 in the middle, elevated ; columella rather straight, 

 cornered at the juncture. 



MoEic.\Nn. Mem. III. p. 3fi. 



Hal. Bahia. 



Species 218. (Mus. Brit.) 

 Helicina jdcunda. Hel. testd pp-amidatd, luted vel 



pallide fulvd, columella et labio externo rubris, faucc 



aureolatd. 

 The jocund Helicina. Shell pyramidal, yellow or pale 



fulvous, columella and outer lip red, throat golden. 

 GuNDLACn. Pffr. lil. Malak., KSC;5, p. 19T. 

 Ilab. Cuba. 



Species 219. (Mus. Brit.) 



Helicina citiuna. IIcl. testd depresso-subglobosd, 

 tenui, Icevi, lutei ; ultimo anfractu ventricoso, 

 coliimelld brevi, sublrigond ; labio esterno albv, 

 rcjlexo, planulato. 



The cithon Helicina. Shell depressed, subglobose, 

 thin, smooth, yellow ; last whorl ventricose, colu- 

 mella short, subtrigonal ; outer lip white, reflected, 

 flattened. 



Gratelodp. Not //. polita, Sowerby. Not 77, citrina, 

 Sowerby. 



IJab. Cuba. 



Species 220. (Fig. a, b, Mus. Brit.) 



Helicina agglutinans. Hel. te.ttd deprcssd, angulatd, 

 aurantid, frequenter ad angulum anfmctuum InUum 

 in nodis regularibus agglutinanti ; aperturd angu- 

 latd ; labio externo rejle.vo, albo, planulato ; ultimo 

 anfractu depresso, carinato ; columelld obliqud. 



The aggldtinating Helicina. Shell depressed, 

 angulated, orange, frequently glueing to it little 

 nodes of mud at the angle of the whorls ; aperture 

 angular ; outer lip reflected, white, flattened ; last 

 whorl depressed, keeled ; columella oblique. 



SowEEcy. Proc. Zool. Soc, 1842. 



Hab. Philippines. 



The singular habit of glueing particles of dust and 

 mud in regular form at the keel is not apparently 

 exercised by aU the specimens of this species, although 

 the power is possessed. 



Species 221. (Mus. Brit.) 



Helicina clobulosa. Hel. testd globuld tenui, Iwvigatd, 

 aureola; spird brevi, anfractibus pa/'vis ; ultimo 

 anfractu ad suturam mediumque albo fasciato, supra 

 et infra medium rubra fasciato ; aperturd semi- 

 lunatd ; labio externo albo, planulato, reflexo. 



The globose Helicina. Shell globose, thin, smooth, 

 golden ; spire short, whorls small ; last whorl, 

 suture and middle banded with white above, and 

 below the middle banded with red ; aperture 

 semilunar ; outer lip white, flattened, reflected. 



Okbignt. Moll. Cuba, p. 245. 



77a6. Cuba. 



A small species, very prettily ribanded with red and 



white. 



Species 222. (Mus. Brit.) 

 Helicina lutea. 77d7. testd erased, luted, globusu-an- 

 gulatd ; spird conicd, lateraliter fvnvexiiisculd , 



December, 187S. 



