102 



Proceedings of the Royal Irish Academy. 



The dimensions of the northern chamber are very similar to the 

 other two before described. Since the removal of the loose stones which 

 fdled up the interior, the upright stones forming its walls have become 

 much depressed by the superincumbent weight of loose stones above 

 them ; and if not soon placed again erect, this chamber must inevitablv 

 become a ruin, a catastrophe which all students of archaeology would 

 have just reason to regret. 



Lower surfaces of lintel and roofing stone over northern chamber. 



The chamber has a beehive roof, formed by five flags projecting 

 inwards, and covered in by a horizontal one, on which are cut in very 

 fine lines, less than a quarter of an inch asunder, among other devices, 

 four remarkable chevron lines, about one foot in length. The charac- 

 ters sculptured on the lower surface of the lintel and of the roofing 

 stone are very carefully represented in the above woodcut. 



The stone here represented forms the left-hand or western side of 



