— 27 — 



Bulirnus macropleurus, 



— Bertrandi, 



— Tiani. 



2° Ouverture excentrique plus ou moins portée a droite. 



Bulimus Georgi, 



— Pauli, 



— Delagenieri. 



BULIMUS REVOILI [fig. 1). 



Testa rimata (rima elongato-curvata, in axi columellari 

 non penetrans), magna, oblonga, tumida, solidula, sub- 

 translucida (aut in speciminibus mortuis plus minusve 

 opaca), nitidissima, uniformiter cornea vel eorneo-sub- 

 carneola(in mortuis decolorata ac plus minusve candida), 

 argutissime substriatula, sicut lsevigata (striolse minutis- 

 simse obsoletissimse, sa3pe in medianis anfractibus sicut 

 evanidœ) ; — spira oblonga, ad summum attenuata, 

 obtusula ; apice exiguo, pallidiore, sub lente striatulo; — 

 anfractibus 8 convexiusculis, regulariter crescentibus, 

 sutura fere lineari (in ultimo prope aperturam solum sat 

 impressa) separatis ; — ultimo magno postice bene con- 

 vexo, ad insertionem labri sat breviter ascendente, ad basin 

 circarimam umbilicalem subangulato; — apertura leviter 

 obliqua aut aliquando fere sub verticali,subovata, superne 

 mediocriter angulata, ad marginem columellarem rectius- 

 cula, ad basin et marginem externum rotundata ; — pe- 



