114 NANINA. 



N. MARGARITA, Jacq. PL 38, figs. 37-39, 35, 36. 



Imperforate, smooth, pearly ; whorls 5. Diam. 4 



, Ins. Vavao. 



I think that N. Vavauensis, Baird (figs. 35, 36), will prove to 

 be a synonym, or perhaps a larger variety of this species. 



N. CALLIFERA, Pfr. PL 38, figs. 32-34. 



Imperforate, thin, smooth, shining, pellucid ; fulvous corneous ; 

 whorls 5j, the last a little angulate on the periphery, where it 

 bears a white line. Diam. 7, alt. 3 mill. 



Marquesas. 

 N. LOWI, Issel. PL 38, figs. 43-45. 



Imperforate, fragile, pellucid, very shining, slightly obliquely 

 striatulate ; yellowish ; whorls 4, suture slightly margined. 



Diam. 3'5, alt. 2'25 mill. 



Borneo. 

 N. ORBIS, Beck. PL 38, fig. 31. 



Imperforate, smooth, shining, pellucid; greenish yellow; 

 whorls 5-6, suture submargined. Diam. 9-3, alt. 3'5 mill. 



7ns. Opara. 

 N. planulata, Anton, is a synonym, 



N. EXJEQUATA, Gould. PL 38, figs. 40-42. 



Imperforate, thin, smooth, shining, pellucid; reddish brown; 

 whorls 6, suture margined, periphery obtusely angulated. 



Diam. 7, alt. 3 mill. 



Sandwich Isles. 



N. discus and N. obtusangula of Pfeiffer are synonyms. A 

 large variety is said to have 7J whorls. Diam. 10'3, alt. 4-5 mill. 



N. NEMATOPHORA, Pfr. PL 38, fig. 46. 



Imperforate, thin, with rather close thread-like striae, diapha- 

 nous, not shining; yellowish corneous, with zigzag or tessellated 



chestnut markings ; whorls 5 J. 



Solomon's Islands. 

 N. SIMILLIMA, Pease. 



Imperforate, thin, fragile, semipellucid, glabrous, shining; 

 yellowish horn color, the suture white lined, the impressed 

 umbilical region white; whorls 4. Diam. 10, alt. 4-5 mill. 



Raiatea, Society Islands. 



