262 MANGILIA. 



banded with chocolate and shoulder tinged with the same color. 



Length, 16 mill. 



West Indies (Reeve). 



The locality may be doubted, as it has not been confirmed by 

 any other authorities ; its distinctness from the preceding species 

 is also doubtful. 



M. RETICULATA, Reeve. PL 24, fig. 10 ; PI. 25, figs. 45, 47. 



Longitudinally plicately ribbed, finely transversely striated ; 

 yellowish, broadly two-banded with chocolate or bluish ash, the 

 two bands sometimes coalescing into one and covering all except 

 the upper portion of the body-whorl. Length, 9-12 mill. 



Philippines, N. Caledonia, Solomon's Is., Viti Isles. 



M. Guestieri, Souverb. (PI. 25, fig. 41), is a synonym, and M. 

 Bichardi, Crosse (PI. 25, fig. 45), appears to be a small form, 

 without bands. 



M. OBESA, Reeve. PI. 26, fig. 11. 



Interstices of the ribs with strong revolving striae ; whitish, 

 the shoulder and base of the body-whorl tinged with chocolate, 

 with a central rather broad band of the same color. 



Length, 10 mill. 



Philippines, 



Perhaps a variety of the preceding species. Described under 

 the name ofvittata, preoccupied by Hinds. 



M. PONDEROSA, Reeve. PL 23, fig. 5. 



Numerously narrowly and delicately longitudinally ribbed, 

 latticed by revolving striae ; yellowish white, interruptedly nar- 

 rowly brown-banded at the slight shoulder, and occasionally 

 tinged with brown elsewhere. Length, 16 mill. 



Philippines (C tuning) ; N. Australia (Brazier). 



M. CONOHELICOIDES. Reeve. PL 23, fig. 4. 



Longitudinally many ridged, transversely striate ; yellowish 

 white, with sometimes a large orange-brown blotch on the back 

 of the body-whorl. Length. 12 mill. 



Philippines, under stones (Cuming). 

 M. GRADATA, Nevill. PL 25, fig. 44. 



Ribs narrow, straight, continuing to the base of the body- 

 whorl, interstices regularly transversely striated ; columella 



