CONCHOLOGY. 



PLATE LXI. 



VOLUTA DUFRESNII 

 DUFRESNE'S VOLUTA 



Univalve. 



generic character. 



Shell spiral : aperture without a beak and somewhat effuse : 

 pillar twisted or plaited, and generally without lips or perforation. 



Fusiform: 



SPECIFIC CHARACTER. 



Shell elongated, smooth, somewhat yellowish, with zig-zag 

 flexuous brown lines ; aperture orange : pillar lip three plaited : first 

 whorl of the spire slightly carinated. 



VoLUTA DUFRESNII : testa elongata laevi subflavicante : Hneis 

 angulato.flexuosis fuscis : apertura aurantia, 

 columella triplicata : anfractu primo subcarinato. 

 VOL, II. CC 



