334 HELIX §. 62. 



877. H. bigonia Fcrussac. 



T. umbilicata, depresso -conoidea, tenuis, oblique strialula, 

 fulvido-alba, fasciis rulis ornata , basi planulata; sutura linearis ; 

 spira late conoidea; anfr. 4^2 planiusculi, ultimus basi angulatus; 

 umbilicus angustus, pervius; apertura horizontalis, elliptica; 

 perist. simplex, margine supero expanso, basali late reflexo. — 

 R. a. = 3:4. — Diam. maj. 23, min. 19, alt. 13 mill. (Coll. 

 Nr. 526.) 



Helix bigonia (Hellcella) Fer. hist. t. 70. f. 2. 



— — Lam. ed. Dh. -170. p. 108. 



— — Phil Icon. I. 4. p. 78. Helix l. 4. f. 7. 



_ _ Cheinn. ed. II. Helix N. 329. t. 58. f. 1 3. U. 



— Samarensis Pfr. iu Proc. Zool. Soc. 1842. p. 87. 

 Planispira bigonia Beck ind. p. 30. 



Habitat in insula Samar Philippinarum (Guming). 



877% H. pedestris Gould. "Y 



T. rudis, depresso-globosa, late perforata, luteo-cornea, ad 

 apicem virens , striis incrementalibus conspicuis inaequalibus et 

 striis minutissimis confertis volventibus decussata; anfr. 5 '/2 con- 

 Yexiusculi, ultimus ventricosus, prope aperturam deflexus; aper- 

 tura obhqua, transversa, rotundato-Iunaris; perist. reflexum, 

 album, ad basira dilatatum, juxta columellam sinuatum. — Lat. ~/s, 

 alt. y^poll. (G.) 



Helix pedestris Gonld 1846. Exped. shells p. 18. 

 Habitat in Nova HoUandia (New Soulh Wales). 



Obs. «Forma et aspeclus H. zaletae; subtus H. profundae similior». 



878. H. Recluziana Le Guillou. >f- 



T. orbicularis, supra convexo-depressa , rufo-fusca, subtus 

 albida; anfi\ 5 leviter ac crebre slriati, convexo-depressi, ultimus 

 rotundatus, fascia alba, linea rufa superne marginata circum- 

 cinctus; apertura subrotunda, reflcxa, fusco-tincta; columella di- 

 lalata, intus truncata et obtuse unidentata; umbiiicus consolidatus, 

 rufescens. — Diam. 26 — 27, alt. 17—20 mill. (G.) 



Helix Reduziana Le Guill. in Revue zool. 1842. p. 137. 

 Ilabitat . . . ? 



879. H. dichroa Pfr. 

 T. umbilicata, globoso-depressa, tenuis, oblique striata, lineis 

 confertis sub lente decussata , pallide cornea , diaphana , cingulis 

 permultis, opacis, albis, interruptis ornata; anfr. 6 convexiusculi, 

 ultimus antice deflexus, basi convexus ; umbilicus angustus ; aper- 

 tura lunato-circularis, intus concolor; pcrist. tenue, marginibus 

 conniventibus, supero expansiusculo, basali brevissime reflexo. 



