116 NANINA. 



N. PERTENUIS, Gould. PL 38, figs. 65-67. 



Imperforate, pellucid, glossy; greenish orange; whorls 4J, 

 periphery angulated, base remotely radiately sulcate. 



Diam. 4*3, alt. 3'7 mill. 



Aurora Island. 

 N. VENOSA, Pease. PI. 38, figs. 62-64. 



Imperforate, smooth, shining, thin ; light yellowish ash-color, 

 with hair-like radiating and spiral darker lines, base usually 

 darker ; whorls 5, periphery angulated. Diam. 10, alt. 6'25 mill. 



Ins. Harotonga. 

 N. FRIVOLA, Pease. PI. 38, figs. 77-79. 



Imperforate, thin, smooth, shining ; light yellowish corneous ; 

 whorls 4, scarcely angulated on the periphery, suture obsoletely 



margined. Diam. 5*5, alt. 3*5 mill. 



Ins. Oualau. 



N. CHAMISSOI, Pfr. PI. 38, figs. 74-76. 



Imperforate, thin, very closely radiately and concentrically 

 striate above; scarcely shining; light yellowish corneous, the 

 strias often appearing as whitish scratches, below smoother, 

 more polished, darker colored ; whorls 4^, periphery angulated. 



Diam. 9, alt. 4-5 mill. 



Sandwich Islands. 



N. CICERCULA, Gould. PI. 38, figs. 71-73. 



Imperforate, thin, subopaque, fulvous ; incremental striae con- 

 spicuous, spiral striae few ; whorls 5, the last angulate. 



Diam. 7, alt. 3-3 mill. 



Mis. of Hawaii, Sandwich Is. 



N. CRYPTOPORTICA, Gould. PI. 38, figs. 68-70. 



Imperforate, thin, pellucid, shining, slightly striate ; greenish 

 yellow ; whorls 5A, periphery obtusely angulated. 



Diam. 5*75 mill. 



Sandwich Is. 

 N. NORMALIS, Pease. PI. 39, figs. 80-82. 



Imperforate, thin, fragile, shining, lightly closely striate ; 

 yellowish or reddish corneous ; whorls 5-6, periphery carinate, 

 the carina margining the suture in the upper whorls. 



Diam. 4, alt. 3 mill. 



Society Islands. 



