CLAVELLA. 



85 



the recently taken state with a thick coarse brown epi- 

 dermis, and they are more or less longitudinally plicate. 



Species of Cantharus. 



erythrostoma, Reeve. 

 inelauostoma, Soio. 

 pagodus. Reeve. 



spiralis, Gray. 

 Tranquebaricus, Mart. 



Sub-gen. tritonidea, Swainson (Lagena, Bolt.). 



Shell turreted ; canal lengthened. 



assimilis, Reeve. 

 auritulus, Linlc. 

 balteatus, Reeve. 

 biliratus, Reeve. 

 cancellaroides, Reeve. 

 cinis, Reeve. 

 concentricus. Reeve. 

 contractus, Reeve. 

 D'Orbignyi, Payr. 

 farinosus, Gould. 

 gemmatus, Reeve. 

 gracilis. Reeve. 

 heptagonalis. Reeve. 

 incisus, Gould. 

 insignis, Reeve. 

 lautus, Reeve. 



ligneus, Reeve. 

 liratus, Goidd. 

 lugubris, G. B. Adams. 

 marmoratus, Reeve. 

 nigricostatus, Reeve. 

 obliquicostatus, Reeve. 

 pastinaca. Reeve. 

 Proteus, Reeve. 

 ringens. Reeve. 

 rubiginosus, Reeve. 

 sanguinolentus, Duel. 

 scalarinus, Lam. 

 solidus. Reeve, 

 undosus, Linn. 

 variegatus, Gray. 

 violaceus, Quoy and Gaim. 



Genus CLAVELLA, Swainson. 



Shell solid, thick, subfusiform ; spire acuminate, last 

 whorl ventricose, suddenly contracted in front, thickened 

 and rounded next the suture ; aperture narrow ; canal long 



