97 



NOTES ON THE GEOLOGY OF DUNBAR SHORE. 



BY W. FERGUSON^ ESQ. 



Bass Rock 

 CTrap.} 



Tantallon. 



Traprainlaw 



Slates, probably equivalent to Silurian Rocks. 

 These extend rig:ht across the country to Wijjton, 

 and yield graptolites, etc. 





-The dotted lines mark the boundaries of the different formations. 

 indicate division of counties. 



Lines marked thus 



I had lately, along with n)y friend, Mr. Gray, to whose notes on the 

 Zoology of Dunbar shore, the present article is introductory, an opportunity 

 of examining, though somewhat hurriedly, the interesting rocky features of this 

 coast; and I propose to sketch shortly, what then came under oiir notice, 

 supplemented by information obtained since, much in the order in which our 



VOL. I. 



