183 



dry passage of Shawnee cave, Lawrence County, revealed a multitude of 

 bat bones scattered through this earth, a fact that seems to confirm this 

 theory- 



In conclusion it may he stated that local causes may and often do 

 exist that affect the formation of a particular cave and that are dia- 

 metrically opposed to the factors enumerated above, so that no set of rules 

 or conditions can be formulated for determining the formation of a cave 

 or explaining its formation. 



