CRYPTOSPIRA. 35 



out, body-whorl attenuated below ; lip flexuous, smooth, not 

 much thickened externally, not thickened within ; columella 

 obliquely four-plaited. Length, 8 mill. 



Dredged off Florida (Pourtales). 



Of same general type as M. paxillus, but proportionally much 

 narrower, with the spire exserted. 



M. ANNULATA, Reeve. PL 10, fig. 100. 



Rather solid, yellowish white, brown-margined below the 

 sutures; body-whorl gibbously angled above; lip thickened, 

 flexuous, columella four-plaited. Length, 8 mill. 



Habitat unknown. 

 M. TRIPLICATA, Gaskoin. PL 10, figs. 1, 2. 



Tumid pear-shaped, fleshy white, shining; spire small; lip 

 thickly margined ; columella triplicate. Length, 7 mill. 



Philippines. 

 A very characteristic, cowry-shaped species. 



Section Volutelia, Swui f<>n. 



Bulliform, ovate-oblong; spire depressed; pillar with four 

 oblique plaits at the fore-part, lip smooth within. 



M. BULLATA, Born. PL 10, figs. 3, 4. 



Pale buflf, sometimes very indistinctly banded with a darker 

 tint ; reddish brown within the aperture. 



Length, 2'5-3'5 inches. 



Bahia, Brazil. 



. This is the largest species of the genus and a veritable giant 

 among Marginellas. A pale lemon-colored variet^y has been 



called M. Cuvieri, Desh. (fig. 4). 

 



M. ANGUSTATA, Sowb. PL 10, fig. 5. 



White, covered by interrupted chocolate or chestnut revolving 

 lines, some of them approximating into bands. 



Length, '7- 1*25 inches. 



Indian Ocean ; Australia. 

 M. BLANDA, Hinds. PL 10, fig. 6. 



Orange-brown, outside and inside ; obsoletely fasciated. 



Length, '75 inch. 



Cape Blanco, W. Africa, 12-15 fathoms. 



