— 47 — 



57. HELIX HIERICA. 



Testa profunde siibpervie ac sat aperle umbilicata, de- 

 prrssa, .'ingiiiala, snpra ronvexiuscula, siiblus convexa, 

 solida, cretacea, opaciila, grisea, siiperne griseo-flammu- 

 lata, inferne zonulis griscis passim interriiptis circum- 

 ornala, eleganler costulalo striata (striae regulares con- 

 lerU-c) ; — spira valde depressa, convexiuscula ; apice ob- 

 tuso , exigtio , nigrescente, Ia;vij:ato, nilidi>simo; — 

 anfractibus (1 angulalis, supra convexiusculis, regnlariter 

 crescentibiis, suliira lineari (in ullimo impressa) separa- 

 lis; — iillimo vix majore angulato (angulus sat acutus, 

 leviter crenulalus, albidiiliis), supra convexiiisculo, siibtus 

 convexo ac circa umbilicuin tumido, ad inserlionem lubri 

 recto; — <i[iertura parum obli(]iia, mediocriter lunata, 

 semirolunduta , superne recliiisciila, inferne rotundata ; 

 — perislomale reclo, aciito, iiitus valide albo-labiato; — 

 margine columellari leviler cxp.msiusculo; — margini- 

 biis remotis tenuissimo callo junctis. — Alt. 5, diam. 

 lOmill. 



Cetle Ilelice, du groiipe de la noissj/i, habite dans Tile 

 de M;irelimo, a oi2 kilom. a roucst des coles de la Sicilc, 

 presque vis-a-vis de Trapani, 



58. HELIX HARIOTIANA. 



Tesla profunde umbilicala (umbilicus pcrvius, in ullimo 



