40 NERITINA. 



serpent's skin. The synonymy is enormous, including N. Brasili- 

 ana, Recluz, N. trabalis, and N. chlorina, Link, N. flavopicta and 

 N. vinosa, Mouss., N. Listeri, Pfr., N. turriculata, Menke, N. Matoni, 

 Morch, N. meleagris, Lam., N. elegantissima, Hartm. (figs. 44, 45), 

 y. Jamaicensis, Ads., N. pulchella, Gray, probably N. Leachii, 

 Recluz, and N. tenebricosa, Ads., and vars. oblonga and elongata, 

 von Martens. 



N. TRISERIALIS, Sowb. PI. 12, figs. 46, 47. 



Whitish, closely lined with dark grey, covered by white triangu- 

 lar spots which are usually more conspicuous in three spiral series 

 or bands. Diam. 14 mill. 



Hdb'. unknown. 



This species has not been identified ; its coloring resembles that 

 of N. virginea, but its form is more globose, with the whorls a little 

 excavated above. 



N. WALLACE:, Dohrn. PL 12, fig. 48. 



Striulate, greenish, with seven narrow, dark green or blackish 

 spiral bands ; aperture white, columellar area strongly callous. 



Diam. 18 mill. 



Arm Islands. 

 K POUCHETI, Hombr. and Jacq. PL 12, fig. 49. 



Brownish, with black transverse stria? ; aperture large, rounded, 

 with the columellar margin numerously dentate. Diam. 17*5 mill. 



Amboina. 



This species is only known through the original figure and de- 

 scription. 



N. ADANSONIANA, Recluz. PL 13, figs. 50, 51. 



Yellowish brown, flexuously strigate, and reticulate with dark 

 olivaceous or black, usually with an overlaying pattern of miscel- 

 laneously arranged light spots ; aperture and columellar area bluish 

 white or yellowish white. Alt. 11 mill. 



Senegal, Cape Palmas, W. Africa. 



N. Sangara, Morelet is a synonym. 



N. ATERRIMA, Koch. PL 11, fig. 99. 



Globosely oblong, smooth, black, the spire elate, conical, some- 

 what acute ; aperture white, columellar area flattened, the margin 

 toothed in the middle. Diam. lo mill. 



Habitat unknown. 



This species has not been identified. 



