PLATE XClV, 



STROMBUS COSTATUS, 



BIBBED STROMBUS, 



GENERIC CHARACTER. 



Animal a slug. Shell univalve, spiral. Aperture dilated, lip tife 

 panding, produced into a groove* 



SPECIFIC CHARACTER 



AND 



SYNONYMS* 



Shell small, brown, taper, spires swelled* and wrought with pro* 

 minent longitudinal ribs. 



Strombiformis parvus fuscis, anfractibus costis elatis longitudmalibus 



insignitis. 

 Costatus. Da Costa. Br. Conch, p. 118. sp. 71. 



Da Costa, who is the only author that describes this curious shellj 

 tays it is found on the coasts of Cornwall, 



