965 



18. Buliminus (Ceraslus) darnaudi Pfeiffer. 



Testa compresse subumbilicata, conico-ovata, tenuis, subdistanter costata, striis spira- 

 libus 8ub lente obsolete decussata, virenti-fulva. Spira conica vertice obtuso. Änfractus 

 51/2—6 convexiusculi, ultimus spiram pauUo superans, basi subcompressus ; columella aub- 

 stricta, leviter procedens. Apertura vix obliqua, elliptico-ovalis, basi aubangulata; peristoma 

 breviter expansum, tenuiter albolabiatum, margine columellari diiatato, subplano, patente. 

 Alt. 23, diam. 12, alt. apert. 13, diam. 7,5 mm. 



Bulimus darnaudi Pfeiffer, in: P. zool. Soc. London 1856 p. 34; Monogr. 

 Helle, viv. y. 4 p. 413. — (Petraeus) Pfeiffer-Clessin, Nomen- 

 clator p. 286. 



Aufenthalt im oberen Sennaar. 



19. Buliminus (Petraeomastus) desgodinsi Äncey. 



T. sinistrorsa, anguste sed profunde perforata, breviter cylindrica, subventricosa, sursum 

 acuminata lateribus convexis, solida, opaca, nitida, oblique subtiliterque striatula, coerules- 

 centi-lactea, quasi pruinosa, apicem papillärem versus Cornea. Anfractus 7, primi convexi, 

 median! planiusculi, ultimus prope aperturam convexus, basi attenuatus, circa umbilicum 

 compresso-attenuatus. Apertura ovato-rotundata, intus saturate castanea; peristoma album, 

 Simplex, undique breviter expansum, marginibus valde approximatis, callo distincto junctis, 

 margine externo valde arcuato, columellari strictiusculo. 

 Alt. 25, diam. 10 mm. 



Buliminus desgodinsi Ancey, in: Ann. Soc. mal. France, 1884 p. 387. — 

 Westerlund Fauna palaearcc. Binnenconch. III p. 74 (mit var. 

 codopsis Ancey). 



Aufenthalt am Westabhang des tibetanischen Hochplateaus. 



20. Buliminus (Petraeus) dispistus Bourguignat. 



T. rimata, oblonge- fusiformis, subtiliter striatula, nitida, albido-cornea sursum lutescens. 

 Anfractus 8 convexiusculi, regulariter leniterque accrescentes, ultimus ^/g altitudinis superans, 

 convexiusculus, basi rotundatus, antice ascendens; sutura subtilis, leviter albosignata. Aper- 

 I. 13. 9. VII. 1902. 122 



L 



