42 NERITINA. 



and aperture greenish yellow, the former concave, with 2-3 margi- 

 nal teeth. Diam. 7, alt. 10-12 mill. 



New Caledonia. 

 Possibly a variety of the preceding species. 



N. MODicELLA, Desh. PL 13, fig. 71. 



Oval-globose, whorls 3, the last large, rugose, blackish brown, 

 Avith small greyish-white irregular scale-like spots ; aperture yellow- 

 ish white, columellar area wide, plane, smooth, the edge with a 

 single obscure tooth-like elevation. Alt. 12, diam. 9 mill. 



Ins. Bourbon. 



Section Puperita, Gray. 1857. 



N. PUPA, Linn. PI. 14, figs. 72-74. 



Smooth, opaque, white, longitudinally more or less flexuously'and 

 anastomosely strigate or coarsely or finely, reticulated Avith black ; 

 aperture light orange-brown. Diam. 8-13 mill. 



West Indies. 



The synonyms are N. delineata, Boubee, N. liturata, Schultze, N. 

 venosa, Menke and var. tristis, d'Orb., the latter for closely reticu- 

 lated specimens. 



N. RETICULATA, Sowb, PI. 14, figs. 75, 7(3. 



Solid, smooth or obsoletely spirally engraved, transverse, whitish, 

 openly or closely reticulated with black ; aperture yellowish. 



Diam. 13 mill. 



Tahiti, Pauinotus, Mauritius. 



Distinguished from JV. pupa by its more transverse form and sul- 

 cations- — when the latter are present. The synonyms are : X. Des- 

 mo'idinsiana and X. Bensoni, Recluz. 



N. HOLOSERicA, Garrett. PI. 14, fig. 77. 



Closely spirally striate, with sharp spire, blackish, under a thin 

 greyish olivaceous, somewhat tomentose epidermis ; aperture oli- 

 vaceous yellow, columellar area flattened, polished, but very mi- 

 nutely granular. Diam. 12 mill. 



Viti Is. 

 N. AMQiNA, Gould. PI. 14, figs. 78-80, 84. 



Shell transverse, whorls rapidly increasing, the last whorl swollen, 

 spire scarcely raised ; with rugose growth-lines and slight, impressed 

 spiral strite ; greyish olivaceous or purplish-blue, sometimes with 



