40 NANINA. 



N. CARTERETI, E. A. Smith. PL 13, figs. 71, 72. 



Narrowly perforate, rather solid, with oblique growth-lines 

 and minute microscopic spiral striae; fulvous brown above, 

 paler below, whorls 7, the last obtusely angular at the periphery, 

 and peculiarly narrowed a little behind the aperture ; aperture 

 flesh-tinted within. Diam. 22, alt. 15 mill. 



Wild //., Admiralty Archipelago. 



Differs from the preceding species in having no band on the 

 periphery and in the narrowing of the last whorl. 



N. DARONDEAUI, Souleyet. PI. 13, fig, 74. 



Umbilicated, obliquely rugose, spirally striated; olivaceous 

 brown, chestnut-colored beneath; whorls five, the last strongly 

 carinate, carina lighter colored ; aperture light chestnut, with 

 a yellowish band. Diam. 41, alt. 19 mill. 



///*. Luzon, Philippines. 

 N. SOULEYETIANA, Pfr. PI. 13, fig. 75. 



Perforate, rather solid, rugosely striated above, very closely 

 but slightly imdulately lineate between the striae; light brown, 

 with a deeper brown band below the peripheiy, base brownish 

 white. Diam. 42, alt. 18 mill. 



Borneo. 

 N. DONOVANT, Pfr. PI. 13, fig. 76. 



Perforate, thin, diaphanous, striate, ver}' minutely decussated 

 above b}' oblique lines ; yellowish brown, the peripheral angle 

 whitish with a narrow chestnut band below it, base brownish 

 white; whorls 5-J, the last angulated on the periphery; interior 

 opaline, showing the bands. Diam. 47, alt. 21 mill. 



Borneo. 



Very closely allied to the preceding species. 



N. ISABELLTNA, Pfr. PL 13, fig. 77. 



Perforate, thin, very minutely granulately rugulose, pellucid ; 

 light yellowish or flesh-color; whorls 5, the last acutely cari- 

 nated. Diam. 33, alt. 14 mill. 



Ceylon. 

 X. ACUDUCTA, Benson. PL 13, fig. 81. 



Perforate, thin, costulately striate, granulately decussated by 

 very close impressed lines, smooth below, with impressed spiral 



