352 



PROCEEDINGS OF THE GEOLOGICAL SOCIETY. 



The following section on the south side of the North Sutor of 

 Cromarty, for which I am indebted to my friend Mr. Miller, enables 

 us to extend the same inference to Easter Ross. 



Drift. 





Crimson and brick-red sandstones. 



Yellow sandstones. 



Limestone and clay. 



8 



(D 



Is 



Yellow sandstones, in tMck beds. 



Limestone and shale, resembling fish-beds. 



Yellow sandstones. 



Shales and a few nodules with fish and plants, of 

 the same kind as at Cromarty, Letlien, &c. (Thin.) 



Reddish-yellow sandstone ; 70 feet. 



Great Conglomerate ; 100 feet. 



Grneiss, broken up : veins not seen at junction, but 

 numerous at a Httle distance. 



Mr. Miller informs me that the same plants and fish-scales are 

 found in various parts of the low cliffs of red and yellow sandstones, 

 extending from the opposite side of the Sutor to Tarbet-ness *. 



On the Succession of the Older Rocks in the Northernmost Counties 

 of Scotland ; luith some Observations on the Orkney and Shetland 

 Islands. Part I. 



By Sir R. I. Murchison, G.C.St.S., F.R.S., Y.P.G.S., &c. 



[Read February 3rd, 1858 1.] 



[This communication is incorporated with the next succeeding Memoir.] 



* See Sedgwick and Murchison in Geol. Trans. 2nd ser. vol. iii. 

 t See Quart. Journ. Geol. Soc. vol. xiv. p. 501. 



