48 NANINA. 



and sinuously indistinctly fasciate ; columellar lip slightly sinu- 

 ous, callously reflexed and adnate at the insertion. 

 Diarn. 7, alt. 4-4-5 mill. 



Sunday Island, Kermandec Archipelago. 



N. TATS, Hombr. et Jacq. PL 23, fig. 61. 



Imperforate, thin, distinctly striate and very obsoletely decus- 

 sated by spiral lines above, smoother and more shining below ; 

 yellowish corneous or brownish, lighter colored below; whorls 

 6, the last acutely angulated on the periphery. 



Diam. 13, alt. 7 mill. 



Marquesas Is. 

 N. TROPIDOPHORA, Ad. and Rve. PL 23, fig. 62. 



Imperforate, distinctly striulate with obsolete decussating- 

 spiral lines above, below smoother and more shining ; dark 

 brown, lighter below ; whorls 5^-6, the last bearing an acute 

 peripheral carina, slightly concave above and below it. 



Diam. 11-5, alt. 7 mill. 



Borneo. 

 N. INSCULPTA, Pfr. PL 23, figs. 63-65. 



Imperforate, moderately solid, above closely costulate, with 

 impressed spiral lines parallel with the carina, base smooth, with 

 impressed lines next the carina ; whorls 5, the last with a sharp 

 peripheral angle; columella with a short white tooth. 



Diam. 8, alt. 4 mill. 



Inx. Norfolk ? Siam. 



N. basiodon, Morelet, is a synonym. 



N. CONICOIDES, Metcalfe. PL 23, figs, 66-68. 



Imperforate, rather thin, striulate, with obsolete concentric 

 raised striae at the carina, somewhat shining, polished below ; 

 yellowish brown ; whorls 7, compressed at the peripheral carina, 

 which is acute, with a brown line below it, sometimes obsolete. 



Diam. 18. alt. 8 mill. 



Borneo. 

 Yar. LABUANENSIS, Pfr. Figs. 67, 68. 



Spiral raised striae more distinct, shell more depressed, with 

 more acute carina, suture margined. Diam. 16'5, alt. 6 mill. 



Ins. Labuan. 

 N. vitrea, Bonnet, is a synonym. 



