— 281) — 



V 



Descriptions de Clausilidse exotiques nouvelles. 



CLAUSILIA LEWISF, n. sp. 



Testa magna, subrimata, subfiisiformis (an sem- 

 per?); plus minusve latc triincala, oblique con- 

 fertissiine strialula, propc aperturam distinclius 

 striata, modice solidula vel tenuiuscula, nitidula, 

 quasi suboleosa, sat pallide corneola ; spira (in 

 spec. integriore) ad apicem longe attenuata; primi 

 anfractus diamelro paulatim crescentes, sequentes 

 subaequales vel salteni parum latiores ; anfr. (in 

 spec. eadem) 11 convexiusculi, sutura siniplici ; 

 ullimus cervice rotundatus, infra subattenuatus ; 

 apertura mediocris, fere recta, ovalis, supra mo- 

 dice angulata (sinulo angulari lato, parum pro- 

 fundo), intus cornea, aut corneo-albida; peristoma 

 continuum, haud solutum, expanso-reflexum, in- 

 crassatum, haud effusuni, album; lamella supera 

 marginalis, exlus crassiuscula, cum spirali per- 

 distincta conjuncta ; infera obliqua, valida, valde 

 spiraliter torta, extus complanata, compressa; 

 subcolumellaris extus plus minusve perspicua 

 et emersa, aliquando usque ad peristoma pro- 

 ducta , marginem exteriorem tamen non attin- 

 gens. Plica principalis longiuscula, lineam late- 

 ralem sed haud multo transgrediens ; palatales 

 7-9 abbreviati, latérales, arcum lilterœ G instar 

 formantes, prima aliis longiore. 



Bu/I. Soc. Maint: Franai. IV. Juillet 1887. — 19 



