PLATE XXVII. 



BULLA LIGNARIA. 



WOOD DIPPER. 

 GENERIC CHARACTER. 



Shell sub-oval. Aperture oblong, very patulous, and smooth or 

 even. One end rather convoluted. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 



Oblong, oval, narrow towards one end, and somewhat umbilicated, 

 (or rather convoluted) . Striated transversely. 



Bulla Lignaria : testa obovata oblongiuscula transverse striata, 



vertice subumbilicato. Linn. Si/st. Nat. 

 Bulla Lignaria major, leviter et dense transverse striata. Da 



Costa. Br. Conch, p. 26. sp. 14. tab. 1. fig. 9. 

 Concha veneris major, leviter et dense striata. List. II. Conch, tab. 



714. fig. 71. 

 Bulla lignaria. Wood. Perm. Brit. Zool. No. 83. tab. 70. fig. 83. 

 Oublie, ou papier roule, tonne a bouche entiere. D'Avila. Cab. 



p. 206,- No. 387. 



This species is not very common. It is found on the coasts of 

 Cornwall, Devonshire, and Dorsetshire, and also on several of the 

 coasts of Ireland. 



