HELIX. 



Plate XCVIII. 



Species 536. (Mus. Cuming.) 



Helix Br.vsili.\na. Hel. testa umbilicald, orbiculalo- 

 depressiuscula, undique aqiialiter t/raiiidosd, sii/ienii 

 castaned, taniis albido-Jlammulatis, sublus convexiore, 

 pallidiore, seriebiis phiribits puiictorum nifesceiiliiim 

 omatd ; spird subplanulatu ; aiifraclibiis quinque ad 

 sex, vix convexiusculis, ultimo obsolete subangulalo ; 

 columella brevi, dilatatd ; aperturd lata, transverse 

 lunar i ; peristoma te tenui, brevi ter rejlexo. 



The Bkaziliax Helix. Shell umhilicated, orbicularly 

 ratlicr depressed, equally granulated throughout, 

 chestnut-tinged about the upper part, with white- 

 flamed tillets, more convex beneath and paler, orna- 

 mented with many rows of reddish dots ; spire rather 

 flattened ; whorls five to six, rather convex, the last 

 obsoletcly angled ; columella short, dilated ; aperture 

 broad, transversely lunar; lip thin, shortly reflected. 



Desii.vyes, Encyclopedie Methodique, vol. ii. p. 211. 

 Helix pellis-serpeiiiis, var., Ferussac. 



Hob. Brazil. 



Scarcely keeled and very elaborately painted. 



Species 537. (Mus. Cuming.) 



Helix sekpexs. Hel. lestd umbilicald, lenliculari, nlrin- 

 que convexd, confertim undulato-slriatd, tenui, corneo- 

 stramined, fascia interruptd rufd ad suluram ornatd; 

 anfraclibus quinque, planis, ultimo acute carinato, 

 infra carinam fascia rufd lineisque permullis rufis siy- 

 natd ; aperturd an/julato-lunari ; peristonwte tenui, 

 breviter rejlexo. 



The serpent Helix. Shell umbilicated, lens-shaped, 

 convex on both sides, closely undulately striated, 

 thin, horny straw-eolour, ornamented with an in- 

 terrupted red band at the suture ; whorls five, flat, 

 the last sharply keeled, marked below the keel with 

 a red band and numerous red lines ; aperture angu- 

 larly lunar ; lip thin, shoilly reflected. 



Solarium serpens, Spix, Test. Brasil. pi. 17. f. 2. 

 Helix serpens, Pfeifler. 

 Helix punctata, Wagner. 



Ifab. Brazil (in the woods of Piauhy and Pcrnambuco); Spix. 



.V lighter shell than the preceding, characterized by a 

 diflfercnt style of painting, prominently keeled. 



Species 533. (Mus. Cuming.) 



Helix HELIaCa. Hel. testa umbilicatd, orbiculatd, de- 

 preud, carinatd, rugulosd, granuUitd, tuLtui Itecigatd, 

 flavidd, fasciis rttbris interrupt is omatd ; spird o6- 

 tusd ; anfraclibus sex, concexiunculia, ultimo depresso ; 

 aperturd depressd, lunato-subtriangulari ; peristomate 

 nilide alio, margine utroque siiiuoso, supero tali er- 

 panso, breviter refkzo, columellari brevi, tuidilatalo, 

 basali plane arcuato, breviter reflexo. 



The sun Helix. Shell umbilicated, orbicular, depressed, 

 keeled, rugulose, granulated, smooth underneath, yel- 

 lowish, ornamented with five interrupted red bands ; 

 whorls six, rather convex, the last dejircsscd ; aper- 

 ture depressed, lunar-subtriaugular ; lip shining- 

 white, margin on both sides sinuous, upper margin 

 broadly expanded, shortly reflected, eolumellnr margin 

 short, slightly dilated, basal flatly arched, shortly re- 

 fleeted. 



D'Orbigny, Voyage dans I'Amerique Mcridionole, p. 244. 

 pi. 26. f. 1-5. 

 Helix cicatrica, Anton. 



Hab. Bolivia; D'Orbigny. 



There is a general peculiarity in the form and painting 

 of this species difl'erent from either of the preceding. 



Species a y 'J. (^.Mus. Cuuiiug.) 



Helix Gibuoni. Hel. testa umbilicald, depressd, subleM- 

 ticnlari, snpenii longitudinaliter et regutariter striata, 

 fasciu Jlammeis rubris alhisque picta, sublus Mrrieinu 

 pluribus punctorum rufescentium ornatd ; anfraetibts 

 quinque, planiusculis, ultimo subcarinato, bast convejn ; 

 umbilico mediocri, prrvio ; aperturd late Imiari ; pr- 

 ruitomate subincrnssato, sinuoso, rrjiexo, basali ad urn- 

 bilicum breviter dilntato. 



Giuuon's Hklix. Shell umbilicated, depre'^^nl, s<>inr- 

 what lens-shaped, longitudinally regularly striated nt 

 the upper part, painted with bands of red and white 

 flames and ornamented undenirnth with numerous 

 rows of red dots ; whorls five, rather flattened, the 

 last slightly keeled, convex at the base ; umbilicus 

 middling, ojien ; ajierture broadly lunar ; lip rather 

 thickened, sinuous, reflected, basal margin shortly 

 dilated at the umbilicus. 



Pfeiffkh. Synil)ol!e. vol. iii. p. 37. 



Mav, 1852. 



