OF CONCHOLOGY. 87 



mal Si Limax; shell ear-shaped, uni- 

 valve, and dilated, vv^ith a longitudinal 

 row of orifices along the surface ; sjni'e 

 lateral, and nearly concealed. Linn. 

 Syst. 330. Plate 9th, fig. 3lst. 



Habitation. The shells composing 

 the genus Haliotis, have only been 

 found to inhabit the sea. They adhere 

 closely to rocks, and can only be re- 

 moved by suddenly snatching them 

 from their hold. In some places the 

 animal inhabitant is esteemed good 

 eating. One species, the Haliotis 

 Tuberculata, is very common in 

 Guernsey. 



The shells of this genus are so very 

 distinct, that they can hardly be mis- 

 taken, the Helix Haleotida, indeed, 

 approaches very near to the Haliotis, 

 but it wants the most striking charac- 

 teristic, the longitudinal series of 

 orifices ; in other respects it is very 

 similar to the Haliotis, having a pear- 

 laceous inside, and being ear-shaped. 



