BEN-LEDI. 



tion, that is, resting on the mica-slate, from the 

 heights above Loch Lubnaig, through the whole 

 rising grounds towards Loch Vennachar on the 

 south, a distance of more than ten miles. In all 

 this tract, the usual features of a clay-slate country, 

 as smooth and declining, may be observed. We 

 also find, that the outermost part of the formation 

 assumes a kind of deep violet or reddish colour, 

 one of the characters of the newest kind. And 

 thus the structure of this mountain, so far as it 

 has fbeen ascertained, completely justifies one 

 branch of the general doctrine of the Geognosy. 



LOCH-KATTERIN. 



Continuing to stretch in the usual direction of 

 south-west, the different strata, which compose 

 Ben-Ledi, form at length the rude and splendid 

 scenery of Loch Katterin, [so justly admired, and 

 so often » visited. The whole of this remarkable 

 district, including Benian on the north, and Ben 

 Venue on the south, objects of singular beauty 

 and grandeur, consist therefore of rocks belong- 

 ing to the species of mica and clay slate, which 

 present various degrees of induration or compact- 

 ness, and are much traversed with veins of quartz. 

 Along the side of Loch Vennachar, the clay- slate 

 is repeatedly seen cropping out, and particular 

 portions are quarried for use. Its dip here ,is 

 towards the south, or opposite to the declivity of 

 the hills, of which it forms the base. This is pro- 



