— 210 — 



transversis, regularihiis impressa, olivaceo-^ngricans, 

 unicolor^ ; spira trunkata, apicc eroso ; sutura leviter 

 impressa; anfractus superstites 2 1/2, convexiuscuîi, 

 prope suturam suhlœves, dein transversim sulcato-lirati^ 

 ultimus anfractus superstites spirw superans; apertura 

 subovatar livida, intus pallide fuscescens; peristoma con- 

 tinuum, subacutum, olivaceo-nigro limbatum, m,arginibus 

 ju7ictis, columellari arcuato, basait et externo rotundatis. 

 — Long. 12 1/2, diam. maj. 9 mill. Apertura 8 mill. 

 longa, 6 lata. — Operculum subovatum, sat tenue sed soli- 

 dulum, extus concaviusculum, corneum, nucleo subcen- 

 trali, intus nigricans, convexiusculum. (Mus. Parisiense.) 

 Habitat in rivulis regionis orientalis insulœ Madagas-* 

 car dictœ. (A. Grandidier.) 



2. Palddina Madagascariensis. 



T. anguste umbilicata, subelongato-turbinata, tenuius- 

 cula, liris regularibus subdistantibus transversim im- 

 pressa, interstitiis longitudinaliter et obsolète striatis, 

 ^pallide olivacea, lirais transversis saturatioribus ; spira 

 truhcata, apice eroso ; sutura impressa; anfractus supers- 

 tites 3, convexi, ultimus partem superstitem spirœ vix 

 superans (: : 5 : 4); apertura subovata, intus sordide 

 albida, liris transmeantibus ; peristoma subcontinuum, 

 marginibus junctis, columellari arcuato, subexpanso, ba- 

 sait et externo rotundatis, acutis. — Long. 9, diam. maj. 

 7 mill. Apertura vix o mill. longa, 4 lata. — Operculum? 

 (Mus. Parisiense.) 



Habitat in rivulis regioiiis orientalis insulœ Madagas- 

 car dictœ. (A. Grandidier.) 



U.C. et P. F. 



