HELIX §. 39. 40. 149 



788. Kivi Gray. Mon. I. p. 19-2. 



789. H. virginca Adams. •{• 



T. imperforala, conica, pallide brunnea, anfractibus su- 

 preinis et zona peripherica corneis, epiderniide alba, hydro- 

 phana fulguratim strigata; striae incremenli subliles; spira 

 elevata, apice ohtusiuscula ; sutura parum impressa; anfr. fere 

 6 convexiusculi, ullimus supra aperluram suborbicularem valde 

 protraclus; perist. tenue, acututn, margine columeliari incras- 

 sato, expanso, rubro, arcuatim in dextrum abiente. — Diverg. 

 80°. — Diam. maj. 0,78, min. 0,67, alt. 0,73". (A.) 



HeMx virginea Adains Contrib. to Conchol. N. 3. p. 33. 

 Habitat in insula Jamaica. 



§. 40. 

 790. H. Poiretiana Pfr. 



T. perforata, conica, solida, strialula, nitida, carneo-al- 

 bida, strigis pallide fuscuiis irregulariter picta; spira conica, 

 obtusiuscula; sutura impressa, subtilissime crenulata; anfr. 7 

 vix convexiusculi, ullimus subrotundatus, fascia unica fusca 

 signalus, aniice breviter descendens; apertura diagonalis, lu- 

 nato-rolundata; perist. acutum, margine dextro repando, basali 

 subincrassalo, columellari fornicatim reflexo, perforalionem fere 

 tegente. — Diam. maj. 19%, min. ISy^, alt. 23 mill. (Mus. 

 Cuming. ) 



Helix Poiretiana Pfr. in Proc. Zool. Soc. 1851. 



— — Cliemn. ed. II. Helix N. 907. t. 140. f. 5. 6. 

 Habitat ad Portum Essington. 



791. H. nautiloidcs Valcncienncs. •{• 



T. orbiculato-discoidea, depressa, tenuis, pellucida, laevi- 

 gata, corneo-lutescens; spira brevis, obtusa; anfr. 4 convexi- 

 usculi, rapide crescentes, ultimus magnus, latus, convexus, 

 subtus depressus, umbilico parvo perforatus; apertura magna, 

 vix obliqua, ovato-lunaris; perist. simplex, acutum, basi rectum, 

 albufn, dilatatum, incrassalum. — Diam.SI, alt. 12 mill. (Desh. ) 

 Helix nautiloides Valenc. in Mus. Paris. 



— — Z)es/l. iu Fer. hist. I.p. 191. N. 236. t. 37A.f. 4. 

 Habitat . . . ? 



792. vclutina Lam. -j- {Chenu t. 6. f. l. t. 12. f. 2. 



Chemn. ed. II. Helix N. 749. t. -la^. f. 7—10.). Mon. I. p. 193. 



793. Mcxicana Koch - _- 193. 



