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Charles Mac I ar en on 



ficult to draw the line that separates them. There is no am- 

 biguity, however, in the mounds above the village, which un- 

 questionably belong to Glensluan. 



Moraines in Glenmessan. 



Ancient moraines of an equally remarkable character are 

 found in Glenmessan, about three miles north-west from the 

 village of Kilmun. This glen is a rugged, straight valley, 

 two miles long, inclosed between mountains 1500 feet in 

 height. At its head, or northern end, it is joined by two la- 

 teral valleys ; and here it is nearly level and comparatively 

 wide, while its southern portion is extremely narrow, and de- 

 scends rapidly. The river Messan, which flows through it, is 

 a considerable stream (r, r, r in the map below), and has a 

 pretty waterfall. At the farm-house of Corusk (k on the map), 



Fig. 6. — Glenmessan. 





• i 1 i ' /' 







the glen terminates in a plain from two to live furlongs in 

 breadth, and which extends, with some inequalities, to the 

 head of Holy Loch. Precisely at this southern termina- 

 tion, where the glen is still very narrow, it is crossed by two 

 large mounds of earth (A, B). In shape they closely resemble 

 the artificial embankments made for railways, or the dikes 

 thrown across valleys to form reservoirs, or the ramparts con- 

 structed for military purposes to fortify or close up a moun- 



