266 Sitzung der physikalisch-mathematischen Klasse 



6. Nanina (Orobia") hyalina n. sp. 



Testa semiobtecte perforata, orbiculata, strlatula, valde ni- 

 tida, corneoflava; spira vix prominula, sutura marginata, viola- 

 scentl-rufa; anfr. 6^, convexiuscuH, ultimus rotundatus, antice 

 non descendens, regione umbillcali excavata; perlstoma rectum, 

 acutum, marginibus distantibus, columellari in ipsa excavatione 

 umbilicali reflexo. Diam. maj. 21^, min. 18, alt. 12; apert. 

 long. 11, lat. 9 Mill. 



Westliches Borneo, oberhalb Pontianak. 



7. Nanina {Or obia) fulvocarnea n. sp. 



Testa perforata, orbiculata, striatula, lineis spiralibus con- 

 fertissimis subtilissimis sculpta, satis nitida, supra aurantiobrun- 

 nea, subtus in roseum vergens; spira brevis, conoidea; sutura 

 marginata, plicatula, nigricanti-violacea; anfr. 5, vix conviusculi, 

 ultimus rotundatus, antice non descendens; apertura parum obli- 

 qua, late lunata; peristoma rectum, acutum, marginibus distanti- 

 bus, basali leviter anlrorsum convexo, columellari perobliquo, 

 paululum reflexiusculo. Diam. maj. 17, min. 14, alt. 10, apert. 

 long. 9^, lat. 7 Mill. 



Manado, von Hrn. Riedel erhalten. 



8. Nanina (jOrobia) aurea n. sp. 



Testa subobtecte perforata, orbiculata, distincte striatula, 

 nitidissima, aureofulva, infra paulum pallidior; spira breviter et 

 coneave conoidea; sutura marginata, violacea; anfr. 5, supra non 

 convexi, ultimus rotundatus, basi convexa, antice non descen- 

 dens; apertura fere verticalis, oblique lunata; peristoma rectum, 

 acutum, margine basali antrorsum convexo, columellari ad inser- 

 tionem breviter reflexo. Diam. maj. 12, min. 10^, alt. 6^, 

 apert. long. 6% lat. 6\ Mill. 



Mittleres Sumatra, bei Kepahlang. 



9. Hy alina Amboine nsis n. sp. 



Testa depressa, anguste umbilicata, oblique striatula, splen- 

 dida, corÄeofulva, subtus paulum pallidior; spira paulum promi- 

 nula, apice rubicunda ; sutura albida; anfr. 5, convexlusculi, ul- 

 timus rotundatus; apertura subdiagonalis, oblique lunata; peri- 

 stoma simplex, acutum, margine columellari valde obliquo, band 

 reflexo. Diam. maj. 15, min. 12, alt. 8^, apert. long. 8, lat. 

 6 Mill. 



