430 
Mr. Weaver on the 
elucidated by the able assistance of Mr. John Hart, Member 
of the Royal College of Surgeons, have been communicated 
from time to time to the Royal Dublin Society in the form of 
letters, and have been entered upon their minutes ; and, it is 
to be hoped, that a distinct publication on the subject may 
hereafter appear, illustrated by. a description of the splendid 
specimen of the skeleton of the animal now' deposited by the 
liberality of the Reverend Archdeacon .in the museum of that 
Society. In the mean time I propose, after giving a concise 
account of my owm inquiries, to refer briefly to the more 
prominent points in Mr. Maunsell's discoveries, in as far as 
they bear immediately on the question of the ancient or 
modern origin of those remains. 
The spot which I examined is situated in the county of 
Down, about i~ mile to the west of the village of Dundrum. 
That part of the country consists of an alternating series of 
beds of clay slate and fine grained grey wacke, with occasional 
subordinate rocks, which it is needless at present to mention ; 
the whole distinguished by numerous small contemporaneous 
veins of calcareous spar and quartz, and traversed in some 
places by true rake veins that are metalliferous. Hills of mo- 
derate elevation, from 150 to 300 feet high, are. thus com- 
posed. In a concavity between two of these hills is placed 
the bog of Kilmegan, forming a narrow slip, which extends 
about one mile in a nearly. N. and S. direction. The natural 
hollow which it occupies appears formerly to have been a 
lake, which in process of time became nearly filled by the 
continued growth and decay of marshy plants, and the con- 
sequent formation of peat. The flatter, however, from the 
flooded state of its surface, afforded little advantage as fuel, 
