UNIVALVES SABELLA. 



119 



There are no less than fourteen or fifteen species, whicli 

 inhabit rivers and fresh-waters, and most of them arc 

 from the waters of Thuringia, and Belgium, where they 

 reside, affixed to stones, &c. The other species are from 

 the Indian, American, Northern, and European seas. 



THE END. 



