c;losia, volvahia. 47 



Section Closia, (Jray. 



Spire involute ; lip thick, usually dentate within ; columella 

 heavily incrusted with callus, two lower folds of columella very 

 prominent, two superior ones not so prominent ; above them 

 there are sometimes deposited a series of false folds or transverse 

 ridges as in Gyprsea : which it resembles ; especially its dorsal 

 aspect. 



M. Largillierti, Kiener. PL 12, figs. 77, 78. 



Pale violet fawn-color or yellowish brown, more or less 

 obscurely banded and flecked with yellowish white. 



Length, -75-1 inch. 



Bahia, Brazil. 

 M. ovum, Reeve (fig. 78), is only an unpainted, probably faded, 

 state of this species. 



M. LiLAciNA, Sowb. PL 12, fig. 80. 



Flesh-w^hite, stained with pale lilac, with an indistinct broad 

 central band. Length, -9 inch. 



Habitat unknown. 

 M. SARDA, Kiener. PL 12, figs. 81-83. 



Whitish, faintly three-banded with violet; lip tinged exteriorly 

 with yellowish brown. Length, '65 inch. 



Ceylon, Mauritius. 



M. il/a/jce/i, Jousseaume (fig. 83), appears to be identical with 

 this species. 



M. QUADRILTNEATA, Gaskoin. PL 12, fig. 79. 



Ash-gray, with four distant, dark revolving lines. 



Length, -8 inch. 



Habitat iinknown. 

 M. CONTAMINATA, Gaskoiu. 



This unfigured and unrecognized species, without assigned 

 habitat and undeterminable, appears to belong in this group. 



Subgenus Volvsria, Lam. 



Shell subcylindrical ; spire very short or sunken ; aperture 

 narrow, anteriorly dilated ; columella sinuous in front, subflexuous, 

 obliquely truncated, and with four oblique plaits ; outer lip 

 slightl}' thickened without, or with only a slight marginal varix. 



A single recent species, M. pallida, is very similar to the fossil 



