552 



UNIVALVES, SABELLA. 



There are no less than fourteen or fifteen species, whith 

 inhabit rivers and fresli-waters; and most of them are 

 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, 



Indica. 



THL END- 



