IIEL1\. — I'LATE LX. 



The neat Helix. Shell imperforated, depressly globose, 

 thin, pellucid, slightly inflated, covered with a fulvous 

 epidermis ; spire short ; suture somewhat iinprijsstd ; 

 whorls five, convex, somewhat obliquely very closely 

 striated ; columella rather callous, appresscd ; aper- 

 ture lunar, lip simple. 



Adams, Contributions to Conchology, No. 2. p. 32. 



Uab. Jamaica. 



Similar in texture and general aspect to the preceding 

 species, but of a more depressly orbicular form. 



Species 298. (Mus. Cuming.) 



Helix columellata. lid. testa imperforatd, coiwexo- 

 yloboad, cierulescente-albd, epidennide olwaceo-luled 

 iiulutd; sj)ird brevi, siitiird peculiariter impressd ; an- 

 fractibm qulnque, rotiiiidatis, oblique temiistr'mtk ; co- 

 lumella arcuatd, callosd, appreau ; aperturd semilii- 

 nari, labro simpUci. 



The colcmellate Helix. Shell imperforated, con- 

 vexJy globose, bluish-white, covered with an olive- 

 yellow epidermis ; spire short, with the suture pecu- 

 liai'ly impressed ; whorls five, rounded, obliquely 

 finely striated ; columella arched, callous, appressed ; 

 aperture semilunar, lip simple. 



Adams, Contributions to Conchology, No. 5. p. 80. 



Hab. Jamaica. 



This has scarcely the appearance of a mature shell. It 

 is of a semitransparent bluish-white substance, covered 

 with a deciduous olive-yellow epidermis. 



Species 299. (l^'ig. 299 and 300, Mus. Cuming.) 



Helix Ccbensis. Ilel. testa imperforatd, globitlosd, id- 

 tiduld, longiludinaUler tenerrimi striata, basi convexd, 

 albidd,fuscescente fasciatd aut punclatd ; spird brevi, 

 obtusd ; anfradibus qttatuor, convexiusculis, nllimo 



renlroso ; columella brevi, tuicerticali, desceiukntt, 

 superni cix dilatatd ; aperturd magna, lunato-rotunda- 

 id ; peristomate simplici, acuto. 



The Cuba Helix. Shell imperforated, globukr, shining, 

 longitudinally very finely striated, convex at the base, 

 whitish, banded and dotted with light bronn ; spire 

 short, obtuse ; whorls four, rather convex, the last 

 ventricose ; columella short, subvertical, descending, 

 a little dilated at the upper part ; aperture large, 

 lunar-rounded ; lip simple, acute. 



Pfeifkek, AViegman's Archiv. 1840, p. 250. 

 Ueli-x Lanieriana, D'Orbigny. 

 Helix petiicUlala, Gould. 



Hab. Cuba. 



A very thin subtransparent shell, coloured with bands or 

 pencils of light brown, and sometimes rose-tinted. 



Species 300. (Fig. 301, Mus. Cuming.) 



Helix Albeksi. Hel. iestd umbilicatd, leiiui, orbiculari, 

 nperturam versus subproducld, cameo-olitaced ; spird 

 bred ; anfraclibus quatuor, contexis, undique creber- 

 rime nitide costulato-strialis ; aperturd ovatd, margini- 

 bus siibre/kxis, conjiiventibus, margine columellari late 

 dilatato, deinde dente oblongo munito. 



Albers' Helix. Shell umbilicated, thin, orbicular, 

 somewhat produced towards the aperture, flesh-tinted 

 olive ; spire short ; whorls four, convex, very closely 

 neatly rib-like striated throughout ; aperture ovate, 

 with the margins gently reflected and approximating, 

 columellar margin broadly dilated, then furnished 

 with an oblong tooth. 



Pfeiffeu, Pro. Zool. Soc. 1850. 



Hab. Haiti. 



Delicately sculptured throughout with neat close-set rib- 

 like striaj. 



