DESCRIPTION OF RAVENSHEUGH. 



409 



the idea of cotemporaneous formation, as here ex- 

 plained. 



About a mile W. of Ravensheugh, there is 

 another elevated rock, consisting chiefly of clink- 

 stone and basalt, with crystals of hornblende, 

 where similar appearances in relation to the un- 

 derlying sandstone are to be observed. 



Dd 3 



