[ "6 ] 



of Water that can bring them at all to 

 our Knowledge in their recent State. 



Thofe of the fofTil Kind are numerous 

 enough in many Parts of England^ and 

 particularly in Qlocefterfliire^ and fome other 

 Counties, they are as common on the 

 ploughed Lands as Pebbles in other 

 Places. Many of theie Shells have the 

 outward Surface fmooth, and fome of them 

 have Ridges and Furrows, or are other- 

 wife irregular on the Outfide, and are an- 

 gular or corner'd inftead of having circu- 

 lar Rims. 



Conchites^ fome Specimens of bivalve 

 Shells", being foflil Oyfters and Mufcles, 

 with circular Lines on the Outfide of the 

 Shell. Thefe Kind of FofTil Shells are 

 often found in the Mines in DerbyfliirCy 

 and in the Rocks at Beresford in Stafford- 

 /fiire. 



Pe^inites, Foflil Shells of the fcollop 

 Oyfter Kind ; they have longitudinal Lines 

 or Furrows on the exterior Surface of the 



Shell i 



