the Primari/ Rocks and the Oolitic Series in the North of Scotland. 159 



Formations, 

 8. Newer red sandstone and conglomerate. . . 



Localities. 

 Inch. Kenneth, and opposite coast of Mull (?); 

 sands of Groinard Ross; Brochel Castle, 

 Rasay. — The lowest part of this system (?) 

 in the headlands of Tarbet Ness, Dunnet- 

 head, and the southern cliffs of the Orkneys, 

 &c, &c. 

 9. Calcareo-bituminous schists; the upper part Plains of Caithness, Castle Hill, Banniskirk 

 graduating into the superior sandstone ; Lybster, Wick, Thurso, &c. In Ross-shire 



the lower part alternating with siliceous Coul, Inchcoulter, Geanies, Tulloch Castle 



flagstone sometimes resembling gran- Banks of the Orron.under-Fairburn,&c. &c. 



wacke. (See the preceding pages.) The Inches near Inverness, «&c, &c. 



whole group charged with fossil fish .... 

 (N.B. North of the Grampians the true coal, 

 measures do not appear.) 

 10. Old red sandstone and conglomerate; upper Conglomerate hills forming the south flank of 

 part graduating into No. 9. ; lower part the Grampians ; axis of the secondary rocks 



composed of the debris of the neighbour- on the east coast of Arran. Coast and islands 



ing primary rocks, and generally resting near Oban ; detached masses in the lino of the 



unconformably upon them. Caledonian Canal. Great Headlands of the 



western coasts of Ross and Sutherland, viz. 

 Applecross, Gareloch, Assynt, Loch In- 

 chard, &c. &c. Detached mountain masses 

 in the interior. Masses flanking the gneiss of 

 Cape Wrath ; Loch Tongue. Great interior 

 zone of Caithness from Port Skerry to the 

 Ord of Caithness; hills bounding the Brora 

 coal-field ; sides of Ben Wyvis ; Fairburu 

 and Beauiey hills; Mealfonrvony ; Fall of 

 Foyers ; sandstone and concretionary lime- 

 stone of Nairn and Elgin ; Troup Head and 

 Kings of Cullen. 



Secondary Formations in the South of Scotland. 



We had no opportunity of examining- in any detail the secondary forma- 

 tions of Scotland south of the Ochill chain. We may^ however, state that 

 they differ from the series given in the preceding- table in the following- par- 

 ticulars. 



1st. In the less development of the old red sandstone and conglomerates. 



2nd. In the extensive development of the true coal-measures which are not 

 represented (at least in any ordinary form) in the preceding series. 



3rd. In the greater expansion of the newer red sandstone, e. g. in Dum- 

 friesshire, and on the north shores of the Solway Firth, &c. &c. 



4th. In the entire absence of the oolitic series. 



