124 NANINA. 



N. AURULENTA, Beck. Pitcairn's Isl. 



N. STRIOLATA, Pease. Ebon IsL, Marshall's Group. 



N. SUCCINULATA, Le Guillou. Ins. Guam, Moluccas. 



N. SUBRUTILA, Mighels. Oahu, Sandwich Is. 



N. FERNSHAWENsis, Petterd. Australia. 



N. PERFUCATA, Benson. Ceylon. 



N. RORIDA, Benson. Darjiling, India. 

 N. MARGARITA, Beck (preocc. by Hombr. et Jacq.). Pitcairn's Isl. 



N. LARDYI, Charpentier. Ins. Opara. 



N. WANGANENSIS, Cox. San Cliristoval, Solomon's Is. 



N. STRAMINEA, Semper. Ins. Palau. 



N. SUBCICERCULA, Garrett. Rarotonga, Cook's Is. 



Section MICROCYSTINA, M6rch.,.1872. 



The group Lamprocystis, Pfeffer, which at first I was inclined 

 to treat as distinct (p. 9), may very well be included here. 



N. RINKII, Morch. PL 41, fig. 82. 



Narrowly umbilicated, finely regularly spirally striate, pol- 

 ished above ; color rich sienna-brown above, covered with a dull 

 white deposit below; whorls 5, periphery rounded ; columellar 

 margin thickened, much sinuated. Diam. 5*4, alt. axis 2*6 mill. 



Isl. of Teressa, Nicobar Group. 



N. KIVAENSIS, Garrett. PL 41, fig. 61. 



Imperforate, thin, pellucid, smooth, glossy ; yellowish corn- 

 eous ; whorls 5, suture margined ; periphery rounded ; colurnella 



white, prominently toothed. Diam. 4, alt. 3 mill. 



Viti Islands. 

 N. NODULATA, Mousson. PL 41, fig. 87. 



Imperforate, thin, pellucid, polished ; dark corneous ; whorls 

 6, suture submargined, peripherj' rounded ; columella short, 

 thickened into a tooth-like white nodule. Diam. 5'1, alt. 2*3 mill. 



Vanua Balavo, Fiji Is. 



N. EXCRESCENS, Mousson. PL 41, fig. 86. 



Imperforate, thin, pellucid, polished ; dark corneous; whorls 

 4J, suture submargined, periphery rounded. 



Diam. 5, alt. 3*5 mill. 



Viti-Levu, Fiji Is., Ins Tonga (Graffe). 



