— 180 — 



albida, nitidiuscula, perlucens (specimina plurima alba, 

 opaca); anfractus 4^2 regulariter accrescentes, convexius- 

 culi, ultimus antice celeriter descendens; apertura sub- 

 rotundata, marginibus distantibus, callo pertenui junctis, 

 externo acuto, basali expansiuscalo, columellari triangulariter 

 dilatato. 



Diam. maj. 18-22, min. 15,5—18, alt. 7,5—9 mm. 

 Hab. Garm (Karategin). 



8. ßuUtninus maracandensis n. 



Affinis Bul. subobscuro, testa rimato-peiforata, elon- 

 gato-subovali, fulvo-cornea, opaca, nitidiuscula, spira 

 conico-attenuata ; anfractus ultimus V^ altiludinis omnis 

 testae aequans, ad aperturam paullatim adscendens; aper- 

 tura semiovalis, marginibus callo tenui junctis, margine 

 exteriore arcuato subs mplici, columellari expanso, dilatato. 

 Alt. 8,5,-9,5, diam. 3,25—4, alt. apert. 2,5—3 mm. 



Hab. Samarkand. 



9. BuUminus (ChondrulusJ rennenkamfi n. 



Testa rimato-perforata, subcylindrica, interdum cylin- 

 draceo-conoidea, transversim striatula, flavido-cornea, niti- 

 diuscula ; anfractus 7 —8 lenti, convexi, sutura profunda 

 tenuiter marginata discreti, ultimus ad aperturam ad- 

 scendens, basi subrotundatus, ad mediam partem marginis 

 externi modice protracti plerumque transverse paullulum 

 compressus; apertura parva, subtriangularis, bisinuata; 

 peristoma expansum et albo incrassatum, marginibus callo 

 tbrti conjunctis, callo et margine exteriore tuberculo vaiido, 

 columellari minimo aut nullo instructus. 

 Alt. 6—9, diam. 2,66—3 mm. 



Hab. Araan-Kutan et Magian Asiae centralis. 



