PLATE XXX. 



FIG. II. 

 LEPAS COSTATA. 



RIBBED ^CORN SHELL. 

 SPECIFIC CHARACTER. 



Shell somewhat conic. Ribs equidirtant and diverging from the 



aperture. Operculum sharp pointed. 

 Lepas Cost ATA : testa subconica operculis acutis: valvulis costatls. 



This curious and rare species, which has not been hitherto de- 

 scribed or figured, was found by the late T. Adams, Esq. of Pem- 

 broke, adhering to pieces of broken rock, and is in the pofleflion of 

 the Rev. T. Rackett, of Spetishury, Dorset, to whose liberality we 

 indebted for figures of this, and several other Britifli flaells not in- 

 cluded in our own collection. 



FIG. III. 

 LEPAS CONOIDES. 



SPECIFIC CHARACTER. 



Conic. Smooth, valves pointed at the apex : aperture very small. 

 Lepas CoNoiDEs : testa conica Isvi valvulis acuminatis, apertura 



angustiflima. 



FoVild by Mr. Bryer of Weymouth, affixed to the Lepas anatlfera. 



