— 14 — 

 Xaiiiiia Vitelliis ShuUl. 



Testa perforaia, orhiculato-globosa, obsolete striatula, vix nitida, 

 parum diapliana, solidiuscula, pallide citrinaj spira globosa, obtusa, 

 anfr. 5, convexiusculi, ad suturani appressam albo-marginati, linea- 

 que impressa notati, ultimus magnus, subinflatus ; apertura magna, 

 liinati-suborbicularis^ peiist. acutum, rectum, intus subcalloso-in- 

 ciassatum, margine columellari brevissime dilatalo-rcflexo. 



Diani. maj. 3T, min. 31 ; Alt. 25 mill. 

 Hab. Amboyna (Dom. a Steurs). 

 Obs. Nanina3 citrin« pioxime affinis, testa solidiori et dimensionum 



jatione certe distincta : variat testa paululum depressiore et 



coloi-e aurantiaco vel pallide carnco. Exempl. 4 vidi. 



]\aiiiiia 8teur8ii Shutll. 



Testa peiforata, depresso-turbinala, striis irregularibus lincisque 

 spiralibus impressis confertim decussaJa, absque nitore, pallide lu- 

 tescens, ad peiipheriam superne fascia atro-purpurea, inferne fas- 

 cia lata albida circumdata j spira acutiuscqla; anfr. 5, sensim ac- 

 crescenles, vix convexi, uUimus basi planiuseulus, ad pcrforationem 

 iirea fusco-purpurea notatus j apertura obliqua , lunaris; perist. 

 Simplex, acutum, marginc columellari vix brevissime dilatato-reflexo. 



Diam. n^aj. 33, min. 19 ; AU. 14 mill. 

 Hab. Amboyna (Dom. a Steurs). 

 Obs. Species elegans, distinctissima, forma forsan Naninse gum- 



mata? Sowb. paululum similis, sed notis fere omnibus ab ea 



rceedcns. Specimina 2 habui. 



Nailiiia atraiiieiitaria Shutll. 



Tcsfa perforata, depressa, subdiscoidea, subdiaphana, saturate 

 atro-purpurea, superne sub Icnte minutissime undulatim rugulosa, 

 subtus Itevis, nitidissinta j spira vix elevata, obtusa; anfr. 4, con- 

 convexiusculi, rapide accrescentes, ultimus anticc deflcxus et de- 

 piTssus : apertura obliqua, lunato-ovalis, intus concolor; perist. 

 siinjilex, epldennide undique breviter inflexa indutum, margine su- 

 pcriore flexuoso-producto, columellari breviter dilaJato-reflexo, pcr- 

 forationem scini-occultantc. 



Diam. maj. 30, min. 24^ Alt. 14 mill. 

 Hab In Nov. Hollandia : Port Philip. (Mus. Ncocomcnse). 

 Obs. Tcs(a solummodo perforata, ncc aperte umbilicata, et dimcn- 



sionibus cxceptis, notis omnibus Helicem Busbyi Gray refert, 



et cum ea melius ad Naninam quam ad Helicem rcferenda. 



Zoiiitcs Placeiitula Shutll. 



Testa aperte umbilicata, depressissima, arctispira, nitidissima, 

 stiiis distantibus irregulaiibus impres sis notata. cornea, diapliana, 



