243 



giebt keinen Aufschluss; wenn es aber auch dieselbe Art 

 ist, so muss sie wegen der früher publicirten H. Jannellei 

 Le Quill, ihren Namen ändern. 



22. Helix xiphias Pfr. — T. umbilicata, depres- 

 sissima, tenuiuscula, oblique striata, albido-cornea, fasciis 

 4 angustis castaneis, medianis 2 carinae acutae, albae con- 

 tiguis, ornata; spira vix elevata, vel subimmersa; sutura 

 carina marginata; anfr. 5 convexiusculi, lente accrescentes^ 

 ultimus non descendens; umbilicus ^j^ diametri aequans; 

 apertura perobliqua, angulato-lunaris ; perist. simplex, rectum, 

 marginibus subconvergentibus , dextro antrorsum arcuato, 

 columellari subincrassato, basi nodulum callosum gereute. — 

 Diam. maj. 18, min. IS^/g, alt. 4^/2 — 5 mill. 



ß, Paulo minor, fusca, fasciis obsoletis. 



23. Helix Gaimardi Desh. var. 



24. Helix eustoma Pfr. — T. umbilicata, de- 

 pressa, striatula et quincuncialiter punctata (pilosa?), auran- 

 tiaco-fusca; spira plana; anfr. 41/2 convexi, ultimus altus, 

 inflatus, antice sensim descendens et rufescens, basi circa 

 umbilicum infundibuliformem subangulatus ; apertura obliqua, 

 elegantissime rotundato-lunaris ; perist. fusco-carneum, sub- 

 incrassatum, undique breviter reflexum, marginibus conni- 

 ventibus, callo junctis, columellari vix dilatato. — Diam. 

 maj. 21, min. ITi/o, ^It. 11 mill. 



25. Helix ursina Pfr. — T. umbilicata, depressa, 

 tenuiuscula, striatula et sub lente punctulata, vix nitidula, 

 saturate brunnea; spira brevissime conoidea, vertice subtili; 

 anfr. 5^/2 modice convexi, ultimus major, inflatus, non 

 descendens, circa umbilicum angustum, pervium subcom- 

 pressus; apertura diagonalis, lunato-ovalis, intus lilaceo- 

 margaritacea ; perist. tenue, marginibus distantibus, dextro 

 arcuato, breviter expanso, columellari declivi, reflexiusculo, 

 ad umbilicum dilatato. — Diam. maj. 20, min. 17, alt. 

 101/2 mill. 



26. Helix murina Pfr. — T. umbilicata, depresse 



16* 



