DESCRIPTION. 179 



PLATE XXIII. 



Fig. 1. BucciNUM Lepas. 



Shell oval; transversely ribbed^ longitudinally 

 and transversely striate ; ribs imbricate and tuber- 

 culate ; spire small ; aperture large^ patulous. 



D'Argenville Conch, tab. 2. fig. D. 



Specimen brown, paler and clouded with white 

 towards the apex, darker towards the margin ; ribs 

 spotted with white ; inside white, margin brown, 

 crenate with two teeth on the lower part ; colu- 

 mellar lip flattened, projecting, somewhat revolute. 



Inhabits Chili and the Falkland Islands. 



This singular shelly which is denominated Pa- 

 tella Lepas by Gmelin, has been selected as a re- 

 markable instance of doubtful generic character, 

 Conchologists are far from being agreed upon its 

 proper station. Without, therefore, presuming to 

 decide so nice a point for better judges than him- 

 self, the author has ventured to follow his own con- 

 viction, and to figure the specimen under the title 

 of a Buccinum. His reasons for doing so have 

 been, — that the canal is perfectly distinct, follow- 

 ing the revolutions of the whorls, — and that this 

 n2 



