198 POPULAR CONCHOLOGY. 



pearly inside, nor perforated with 

 holes ; right lip thin. Animal, 

 head large, having two tenta- 

 cula, with eyes at the base; 

 foot very large. — 4 species, re- 

 cent. 



The few species that are known are brought 

 from the Indian seas, the Atlantic Ocean, 

 and the Mediterranean. The shell is almost 

 hidden within the mantle of the animal, and 

 from this cause, probably, is devoid of co- 

 lour : some species are solid and thick, others 

 thin. 



M. Adanson found abundance of these shells 

 separated from the animal in the sand at the 

 mouth of the Niger. 



65. Stomatella. — Shell ear-shaped, ob- 

 long ; aperture large, and also ob- 

 long, not perforated; interior very 

 pearly. Animal not known. — There 

 are 5 species, recent. 



They are brought from Java, 

 India, New Holland, &c. 



66. Stomatia. — Shell not perforated; a rib 

 or raised line on the back ; spire rather more 



