290 IIELIX §.117. 



sime conoidea; anfr. 57.2 planiusculi, sensim accrescentes, ulli- 

 mus non descendens , turgidus , peripheria obsoletissime angu- 

 latus, basi distinctius striatus; apertura obliqua, rotundato- 

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

 reflexum , marginibus conniventibus, dextro subhorizontaliter 

 abeunte , columellari subarcuato , sursum dilatato. — Diam. 

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



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



— — Reeve Conch. ic. n. 1370. t. 195. 



— — (Hygromia) Pfr. Vers. p. 128. 



Habitat in China? Australia? (E schedulis speciminum Gumin- 

 gianorum.) 



1855. H. ursina Pfr. 



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

 punctulata, vix nitidula, saturate brunnea; spira brevissime 

 conoidea, vertice subtili; anfr. oY^ modice convexi, ultimus 

 major, inflatus, non descendens, circa umbiUcum angustum, 

 pervium subcompressus ; apertura diagonalis , lunato-ovalis, 

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

 tibus, dextro arcuato, breviter expanso, columellari declivi, 

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

 alt. IOV2 mill. (Mus. Guming.) 



Helix ursina 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. 

 Habitat in insulis Admiralitatis. 



Obs. Characteribiis intermedia intor H. Stimpsoni et mansuelam. 



1856. H. mansucta Pfr. 



T. umbilicata, depressa, tenuiuscula, 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 umbilicum 

 apertum, mediocrem saturate fasciatus; apertura obliqua, lu- 

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

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

 maj. I0V2, min- 13^2» alt. 8 mill. (Mus. Guming.) 

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



— — Reeve Conch. ic n. 1304. t. 187. 



— — (Camaena) Pfr. Vers. p. 138. 

 Habitat Moreton-Bay Australiae (Strange). 



