FULGURARIA. 165 



Species of Valuta . 



liebraea, Linn. musicalis, Mart. 



musica, Linn. 



Genus harpula, Swainson. 



Shell ovate-conic, solid, smooth or sub-nodulous ; spire 

 conical, produced, with a small, pointed, papillary apex ; 

 aperture long, wider anteriorly ; columella with numerous 

 oblique plaits, the anterior the largest; outer lip acute, 

 thickened internally. 



Ea^. H. vexillum, Martini, pi. 18, fig. 5. 



The species of this genus, usually known under the 

 name of " Flag Volutes," are smooth, solid shells, hand- 

 somely ornamented with transverse coloured bands and 

 rows of spots; the apex of the spire is rather acute, 

 and the plaits on the columella are obliquely disposed. 



Species of Harpula. 

 Lapponica, Linn. vexillum, Mart. 



Genus FULGURARIA, Schumacher. 



Shell oblong, fusiform ; spire acuminated, apex large, 

 smooth, papillary, whorls longitudinally plicate and trans- 

 versely striated, the last anteriorly contracted and acu- 

 minated ; aperture elongated ; columella shai'p anteriorly, 

 with from six to ten oblique plaits, the middle plaits 



