Geological Relations of the "East of Ireland. 
125 
fDjouce Mountain . . . 
Little Sugar Loaf . . . 
Bray Head 
Seechon 
Croghan Kinshela . . . 
The highest parts of the ran- 
ges of West Aston, Dungans- 
town, Ballinvallow, and Kil- 
cashel hills, the same nearly 
as Cronebane hill, or , . 
Cronebane hill . . . . 
Comaderry mountain 
Lugnaquilla . . , 
From these data we collect, 
(in so far as we may depend 
on the deductions taken from 
these numbers), 
That the fall of the river 
Avonmore, from Glenda- 
lough to the meeting of 
the two Avons, is . . 
Authorities. 
Mr. Richard Griffith, jun. 
and the Author. * 
2392 
1183 
807 
Mr. Hugh Hamill, jun. 
2150 . . . 
The Author 
2064 
1000 
708 
1567 
2096 
Feet being per mile 
409 . . 37 feet . . 
Avonbeg, from Glenmalur > 
to the same point, is $ 
682 , . 76 ditto . 
Above low water 
mark in Dublin Bay. 
Above the Ovoca, 
a little below the 
junction of the 
two Avons. 
Above the Lake 
of Glendalough. 
Above the level of 
the adit of Ballr- 
nafinchogue lead- 
mine in Glenmalur 
on a line of 
. 11 miles 
. 9 ditto 
* Measured by them conjointly. 
+ It is thus pronounced by the people of the country, and not Douce. 
