526 MUCK. GEOLOGY. 



parts of these islands it will appear evident that like the 

 uppermost strata of Sky, Egg, Mull, the Shiant isles, and 

 the neighbouring shores of Morven, the strata of Muck 

 are part of a series of which the remainder has disappeared 

 in the revolutions of this part of the earth's surface ; over- 

 whelmed by the incumbent rocks, or perhaps still existing 

 in a dispersed manner under the depths of the sea. 



