DESCRIPTION. 153 



Lister Conch, tab. 709. fig. 59. 



Specimen on the back purplish white, outer lip 

 with a row of raised knots, and a single one near 

 the anterior part of the inner lip. 



Fig. 5. Bulla volva. 



Shell bi-rostrate; beaks elongated, acute, and 

 striate. 



Lister Conch, tab. 711. fig. 63, 



Specimen white with a tinge of pink within, 

 thin, subglobular, finely striated transversely; 

 beaks rather bent backwards. 



Inhabits Jamaica. 



Fig. 6. B. Ficus. 



Shell obovate, club-shaped, reticulately striate ; 

 beak exserted, suture of the spire obHterated. 



Lister Conch, tab. 751. fig. 46. a. 



Specimen white with purplish brown points and 

 spots, and five whitish transverse bands irregularly 

 spotted ; interior surface polished, lilac; aperture 

 broad, beak open, hollow. 



Inhabits the American and Indian Ocean. 



This species resembles a Murex, but the canal 



