TRITIA. 07 



middle, and the otlit'i- somewhat below ; aperture bluish wJiite. 



showing the external bunding. Length, 13'5 mill. 



Patagonia. 

 N. T^NTOLATA, Phil. PI. 18, fig. 313. 



Yellowish brown, tipped with chocolate on the nodules. 



Length, ll-Ki mill. 



ChonoH Inl. and So, Patagonia. 

 Is not N. (-oppingeri the same ? 



■■ Japan, Philippines, Indian Ocean, W. Africa. 

 N. NiVEA, A. Ad. PI. n, fig. 326' 



White, solid. Length, 1 inch. 



PMlippineit. 

 Very like A'. reticaJatn. Linn., of Europe. 



N. MuNfERiANA, Crosse. PI. IT, tig. 33L 



White, with a scared}' apparent pale brown revolving band. 



Length, IG mill. 



So. Australia. 



N. siGNATA, Dunker. PI. 17, figs. 327, 328. 



Yellowish brown, with a pale central band. Length, "4 inch. 



So. Africa. 

 Very like N. ino'assafa^ but without the external lip-varix. 

 N. regularis., Kiister (fig. 328), is probably the same. 



N. TURBiNEA, Gould. PL 17, fig. 329. 



Shell white. Length, "9 inch. 



Africa. 



I am not acquainted with this species. The precise locality 



is unknown. 



N. RoissYi, Deshayes. PL 17, figs. 330, 332. 



Whitish, rather thin ; clathrate. Length, lb mill. 



East Indies. 

 N. d<))ninula, Tapparone-Canefri (tig. 332). does not appear to 

 differ. 



N. PUMiLio, E. A. Smith. PL 17, fig. 333. 



Whitish corneous. Length, 3 "5 mill. 



Wydah, W. Africa. 



Is this really distinct from the preceding species? At any 



rate the shell is so decidedly immature that it ought not to have 



been described. 



8 



