174 SPECIFIC 



longing to the species, as the striae are precisely of 

 the same description. 



Fig. 2. {interior and exterior) H. impertusa. 



Shell oblong, imperforate; very finely striate 

 transversely and longitudinally ; back convex. 



Specimen rose-colour, clouded and speckled 

 with cinereous, having four dusky bands interrupt- 

 ed by yellow angular spots and lines ; inside per- 

 laceous. 



This beautiful little shell, which is believed to 

 be unique, is taken from the elegant and valuable 

 cabinet of Mrs. Mawe. It is justly entitled to the 

 designation impertusa, being not only imperforate, 

 but having no impression of an orifice; yet will it 

 hardly be denied a place in the genus Haliotis by 

 any one who attentively inspects it. 



Fig. 3. Patella fornicata. 



Shell oval, recurved towards the apex ; lip la- 

 teral, concave. 



Lister Conch, tab, 545. fig. 33. 



Specimen whitish, mottled and marked vvith 

 brown waved lines, darker towards the tip and some- 



