290 HELIX §. 117. 



sime conoidea; anfr. 0V2 planiusculi, sensim accrcscentes, ulti- 

 mus non descendens , turgidus , peripheria obsolotissime angu- 

 latus, basi distinctius striatus; apertura obliqua, rotundato- 

 lunaris, intus nitida; perist, callosum, album, undique breviter 

 reflexum , marginibus conniventibus , dextro subhorizontaliter 

 abeunte , cokmiellari subarcuato , sursum dilatato. — Diam. 

 maj. 15, min. 13, alt. 8 mill. (Mus. Cuming.) 



Helix Stimpsoni Pfr. in Proc. Zool. Soc. 1854. p. 149. 



— — Reeve Conch. ic. n. 1370. t. 19S. 



— — (Hygromia) Pfr. Vers. p. 128. 



Habitat in China? Australia? (E scheduHs speciminum Cumin- 

 gianorum.) 



1855. H. ursina Pfr. 



T. umbilicata, depressa, tenuiuscula, striatula et sub lente 

 punclulala, vix nitidula, saturate brunnea; spira brevissime 

 conoidea, vertice sublili; anfr. oV^ modice convexi, ultimus 

 major, inflatus, non descendens, circa umbilicum angustum, 

 pervium subcompressus ; apertura diagonalis , lunato-ovalis, 

 intus lilaceo-margaritacea; perist. tenue , marginibus distan- 

 tibus, dextro arcuato, breviter expanso, columellari declivi, 

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

 alt. IOV2 mill. (Mus. Cuming.) 



Helix iirsina Pfr. in Proc. Zool. Soc. 1856. p. 384; Malak. Bl. III. 



1856. p. 243. 



— — Pfr. Novit. conch. I. n. 194. t. 31. f. 14. 15. 



Habilat in insulis Adrairalitalis. 



Olis. Ctiaracteriljus intermedia inter H. Stimpsoni et mnmuetam. 



1856. H. mansueta Pfr. 



T. umbilicata, depressa, tcnuiuscula, striatula et sub lente 

 minutissime granulata, non nitens, nigro-rufa vel cinnamomea; 

 spira brevissime conoidea, vertice subtili; sutura impressa; 

 anfr. 5 convexiusculi, sensim accrescentes, ultimus antice vix 

 descendens , peripheria obsolete angulatus , circa uml)ilicum 

 apertum, mediocrem saturate fasciatus; apertura obliqua, lu- 

 naris; perist. roseum, breviter expansum, marginibus distan- 

 libus, columellari superne dilatato, fornicato-patente. — Diam. 

 maj. I3V27 Diin. 13^2? ^li. 8 mill. (Mus. Cuming.) 

 Helix mansueta Pfr. in Proc. Zool. Soc. 1854. p. 57. 



— — Beeve Conch. ic. n. 1304. t. 187. 



— — (Ganiaena) Pfr. Vers. p. 138. 



Habitat Moreton-Bay Australiae (Strange). 



