PLATE CXLIII. 



BULLA PATULA. 



PATULOUS BULLA. 



GENERIC CHARACTER. 



Animal Limax. Shell rather convoluted at one end, suboval : aper- 

 ture oblong. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 



Shell ovate, smooth, and somewhat beaked at both ends ; that at the 

 base produced and sub-umbilicated : lip entire. 



Bulla patula : testa ovatalaevi sub-birostri : basi production sub- 



umbilicata, labro integro. 

 Bulla patula. Open. B. with one one end much produced and 



fuciform. The aperture very patulous. Penn. 



Brit. Zool. V. 4. p. 111. sp. 85. 



Pennant seems to be the only author who has noticed this species. 

 Da Costa imagined, from the description given by that author, 

 that it was of the same kind as that which he inserted in his British 



