Acus. 225 



muscaria, Lam. strigata, Sow. 



iiitida, Hinrh. stylata, Hinds. 



plumbea, Quoy. tigrina, Gmel. 



raphanula, Lam. varicosa, Hinds. 

 Senegalensis, Lam. 



Sub-gen. abretia, H. and A. Adams. 



Whorls longitudinally ribbed ; columella simple, straight, 

 produced anteriorly ; outer lip not siuuated at the fore part. 



cerithina, Lam. nassoides, Reeve. 



fictilis, Hinds. pygmaea, Hinds. 



lepida, Hinds. tenera. Hinds. 

 mera, Hinds. 



Sub-gen. hastula, H. and A. Adams. 



Whorls smooth; columella simple, straight, produced ante- 

 riorly ; outer lip simple, not sinuated at the fore part. 



albula, Mke. luctuosa, Hinds. 



anomala, Oray. penicillata, Hinds. 



cinerea. Born. rustica, Hinds. 



cuspidata. Hinds. spectabilis, Hinds. 



inconstans, Hinds. strigillata, Linn. 



lanceata, Lam. venosa, Hinds. 

 laevigata, Gray. 



Sub-gen. eueyta, H. and A. Adams. 



Shell turreted, subfusiform, smooth, whorls nodosely plicate, 

 the last rather ventricose ; columella spirally twisted, forming a 

 false umbilicus pervious to the apex of the spire, much produced 

 anteriorly; aperture somewhat effuse. 



aciculata, Lam. ' fulgurata, Phil. 



Consentini, Fliil. granulosa, Lam. 



VOL. I. GO 



