HELIX 



Plate LV. 



Species 261. (Mus. Cuming.) 



Helix avell.vna. Uel. ies/a imperforaid, coiioideo-glo- 

 hom, crat-iii, ponderoaa, mhlcn'ujalu, canlaned, interdum 

 albo irregulariter radiatd el variegatd ; spird cotioided, 

 ohtusd ; aiifractU/m quinque, contexh, ad mturam pro- 

 fundam plerumque pUcatulU el alio-fascialU, ullimo 

 venlricotu, antice vix descendente ; aperlurd obliqud, 

 parculd, sub»emicirculari ; peruslomate subreclo, intm 

 iiirraiaato, rnargitiibm calio jiinctu, columellari talo, 

 reftexo, appreuo. 



The filbekt Helix. Shell imperforated, conoidlj glo- 

 bose, thick, ponderous, rather smooth, chestnut, 

 sometimes irregularly rayed and variegated with 

 wliite ; spire conoid, obtuse ; whorls five, convex, 

 white-banded and generally finely plaited at the 

 suture, which is deep, last whorl ventricose, scarcely 

 descending in front ; aperture oblique, rather small, 

 somewhat semicircnlar ; lip rather straight, thickened 

 within, margins joined by a callosity, columellar 

 margin broad, reflected, appressed. 



Ferlssac, Hist. Moll. pi. 103. f. \, 5. 



Hah. ? 



A tliin solid shell, marked obliquely with fine chestnut 

 lines. 



Fig. 262. (Mus. Cuming.) 



The shell here represented proves to be a variety of 

 H. Gos-sei. 



reflected, right margin sinuous, columellar margin 

 rather drawn out, inwardly callous about the middle. 



D'Orbig.ny, Hist. Moll. Cuba, vol. i. p. 140. pi. 7. f. 7-0 



Hai. Cuba. 



This species is chiefly characterized by lU spiral 

 grooving. 



Species 263. (Mus. Cuming.) 



Helix Parraia.va. Uel. testa imperforaid, globoso-conicd, 

 cra^d, ipiraliter mlcald, fulto-rubrd, zona albidd el 

 fuicd cinctd ; spird eletald, conicd ; aiifractibui sex 

 ad aeptem, convexiwiculis, ullimo auhangidato, anlici 

 gibbo, ad aperluram con»lriclo ; aperlurd parrd, oblusi 

 triaiigulari ; periMomale incra»sato, breriter refiexo, 

 margiiie drxlro siiiuoso, columellari slrictiusculo, medio 

 inlrorsum calloao. 



Parra's Helix. Shell imperforated, globoscly coniKil, 

 thick, spirally grooved, fulvous-red, encircled with a 

 whitish or brown zone ; spire raised, conical ; whorls 

 six to seven, rather convex, the last slightly angled, 

 gibbous anteriorly, drawn out at the aperture; aper- 

 ture small, obtusely triangular ; lip thickened, shortly 



December, 



Species 264. (Mus. Cuming.) 



Helix svpertexta. Ilel. te»td aagiuli miiUeatd, orbi- 

 culato-conoided, solidiutcula, ttriit incrrmenti ei liaei* 

 impreuis concent r' ' ' ' ' " ' i", 



medio pallide unij ,. 



diatim iiululd ; tuturd profunda, crenutata ; anfmc- 

 tibus quinque, concexis ; aperlurd lunalo-otali, imttu 

 fined ; periitomaie albo, morgine tup^o expo mo, bamli 

 incrasaato, reftexo, umbilicum angustum temitegentf. 



The covered Helix. Shell narrowly umbilicated, or- 

 bicularly conoid, rather solid, slightly decussated 

 with stria- of growth and impressed con 

 reddish-fulvous, with a faint baud rouoi: • ii-, 



radiately covered with a hydrophanous epidermis ; 

 sutiu-e deep, crenulaled ; whorls five, cr ■ r- 



ture lunar-oval, brown within; lip wh -r 



margin expanded, basal thickened, reflected, half- 

 covering a narrow umbilicus. 



Pfeiffer, Zeitschrifl fiir Malac. 1S45, p. 153. 



Hab. Cuba. 



This species approximates in some measure to the duiin 



North .Vmcrican type of Ilelir. 



Species 265. (Mus. f 



Helix Sagrajaxa. Hel. testd . _ 



Trochifomu, lirit periHuUi) tpiralibmi aculi etetatii 



interstiltU nui ■ ■ ■ .... - 



conoided ; aiij 



ullimo aubcarinato, bati converitueiiio, eirea u. 



su/. ' ' '■■-- '■'- - 



latosittualo. 

 The Sagrai Helix. Shell narrowly umbilicated, some- 

 what Trochus-shaped. enrirrlcd with numerous sharply 

 raised spiral lines. r 



solid, whitish; spirt ■■■, 



rather convex, the hist sUghtly kccltti, rather convex 

 at the base, slightly compressed around the umbi- 



1S51. 



