Noch nicht abgebildete Arten*). 



1. Buliminus (Mastoides) albocostatus Westerlund. 



Testa rimato-perforata, perioraphalo dilatato, ad tres partes cylindracea, superne longe 

 attenuato-conica, obtusiuscula, pallide brunnea, fortiter et sat distanter costata, costls albis 

 praestantibus, omnino verticalibus. Anfractus 10 perlente accrescentes, convexiusculi, ultimus 

 penultimo paulo major, circa umbilicum angulatus; sutura obliqua fere usque ad aperturam, 

 ubi paullo ascendens. Apertura parva Ve totius longitudinis, semiovata, perpendicularis, 

 marginibus callo conjunctis, exteriore recto, leviter curvato, columellari dilatato, reflexo. — 

 Westerlund. 



Alt. 12, diam. 3,5 mm. 



Buliminus (Mastoides) albocostatus Westerlund Annuaire Mus. Zoolog. 

 Acad. Petersbourg 1896 p. 192 (Sep. Abz. p. 12) mit var. 

 distortus. 



Turkestan. 



2. Buliminus (Cerastus) ambouliensis Jousseaume, 



T. rimata, rima lata in axi columellari intrans, oblongo-ovata, tenuis, subtranslucida, 

 albo-lutescens, striis obliquis productis numerosis ornata; spira oblonge conica apice obtu- 

 siusculo. Anfractus 7 convexi, regulariter crescentes; sutura impressa, funiculo marginata. 

 Apertura ovalis, obliqua, ad dextram excentrica ; peristoma parum reflexum, intus vix in- 

 crassatum, marginibus approximatis callo junctis; columella extus late reflexa, intus inferne 

 plicata, subcontorta. 



Long. 20, diam. 10, long, apert. 9, diam. 6 mm. 



Petraeus ambouliensis Jousseaume in le Naturaliste (2) XXI No. 291 p. 91. 



Hab. Djibuti, Somaliland. 



•) Die Arten werden, der bequemeren Uebersicht wegen, einfach in alphabetisoher Reihenfolge der Art- 

 namen, ohne Beiücksichtignng des Gattangsnamens, aufgeführt. 



J_ J3 8. VII. 1902. 121 



