MINERALOGY OF THE REDHEAD. 369 



tween lladdington and Dunbar, the red sand- 

 stone contains beds of limestone and clinkstone- 

 porphyry, and probably the other trap rocks oc- 

 curring in that neighbourhood, and considered 

 at present as members of the newest floetz-trap 

 formation. 



Manse of Flisk, Fifeshirc, 

 7ih December 1814. 



