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. PI. 13, fig. 71. 



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

 with 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. 



IS". PUPA, Linn. PI. 14, figs. 72-74. 



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

 anastomosely strigate or coarsely or finely reticulated with black ; 

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



West Indies. 



The synonyms are N. delineata, Boube"e, N. liturata, Schultze, ^\ 7 . 

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

 lated specimens. 



N. RETICULATA, Sowb. PI. 14, figs. 75, 76. 



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

 openty or closely reticulated with black ; aperture yellowish. 



Diam. 13 mill. 



Tahiti, Paumotus, Mauritius. 



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

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

 moulinsiana and N. Bensoni, Recluz. 



N. HOLOSERICA, Garrett. PL 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. 



via is. 



K AMfENA, Gould. PL 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 strise; greyish olivaceous or purplish-blue, sometimes with 



