INSULARUiM MADEIiENSlUM 137 



tens, castaneo-fiisca, fialliJe fasciala, remote costukita, lineis spiralibus sulitilik r 

 decussata; spira subabbreviata; sutura vix dislincta; anfractus 6 planati, ultimus 

 antice adscendens, suljdistortus, manifeste sibbus; apertura sublrilobato-aurifoi - 

 mis, S-plicata, plicis venfraiiljus "2, interiore máxima, lalissima, obliqua, pni- 

 minente, exteriore crassa, antice abrupto dilatata, columellari 1 magna, horison- 

 tali, crassa, palatalibus 2 immersis, fere inconspicuis; perisloma incrassatum, 

 reflexuui, sursum inflexo-sinuatuni, denticulo prominente, crassiusculo muni- 

 tum. — Animal observare non licuit. 



Long. I '/2-2, diam. 1-1 '/2 mill. 



Pupa gibba Low. Syn. Diagn. ; el Cat. moil. Mad. 

 » » Pleif. Mon. iieiic. 

 » .) Alb. -Alal. Mad. 



Habitat raiissima in insulae Maderae convalle Ribeira de S.'« Liiziri jierliis 

 adhaerens, ad lupiuni irriguas fissuras; fossilis haud rara ad Caniçal. 



Obs. Inter congéneres cerle distincta propter testae conformationcm valde 

 cartam, abbrevialam, coslis aequidistantibus, interstiliis exiliter et spiralitcr 

 slrialis notalani, anfractinn nllimum partira antice adscendentem, subdistorlum, 

 gilibum, aperturam ringiMjtem, snijlrifoliato-lobatam, plicas magnas, proniinentes. 



Species sic dicta ob dentem tuberculiformem ad anfractum ultimum situm, 

 et anticam distorsiononi quodammodo gibbam mentientem. 



A congeneiibus valde disliiicla. 



Recens primum a clariss. Wollastono; fossilis a clariss. Rev.'' Loweo de- 

 tecta. 



23. Piijia abbreviala, Lnwe 



Testa rimata, pusilia, compacta, utrinque obtusíssima, latitudine -/3 longi- 

 tudinis aequans; spira valde abbreviata ; sutura distincla; anfractus G-7 pla- 

 nati, arcte aequaliter striati, slriis validiusculis, saepe flexuosis, ullimus sulco 

 subspirali antice exaratus, ad rimam angulatus; apertura semiovalis s. subtrian- 

 gularis, 4-plicata, plicis ventralibus 2, obliquis, parallelis, majusculis, cnlu- 

 mellari 1 conspícua, palatali 1 immersa; peristoma tenue, reflexum, sursum 

 inflexo-sinuatum, denticulo intus prominente instructum. — Animal non licuit 

 observare. 



Long. 2-2 V4, diam. 1- '/2 mill. 



Pupa abbreviata Low. Syn. Diagn.; et Cat. moll. Mad. 

 » » Pfeif. Mon. helic. 



í » Alb. Mal. Mad. 



18 



