218 
THE GEOLOGIST. 
manus Bay on the north and Eoaring-water Bay on the south, 
terminating in Mizen Head, the glacial striae are very generally 
to be observed, their usual direction being "W-N-W. and E.S.E. 
Some of the finest examples of glacial furrowing and polishing in the 
whole South of Ireland appear on the east shoulder of Mount Ga- 
briel, at an elevation of close on 1000 feet above the sea in the gap 
where the road to Skull from Bantry passes ; the groovings, which 
are some of them more than 18 inches in depth, mark the preci- 
pitous face of the hill with polished, architectural-looking flutings 
and mouldings. It is very probable that glacial scratches occur on 
the very summit of the mountain, which is 1339 feet above the sea. 
Bosses of rock, beautifully rounded and polished by glacial action 
are exposed over all the district around Bally dehob and Skull ; and 
at the mouths of the rocky glens there the remains of the moraines 
are distinctly to be seen. 
On the northern flank of the Coraeragh mountains, in the county 
Waterford, and to the E. of the village of Ballymacarbury, there 
Fig. 2. Old Red Sandstone, cleaved, and exhibiting horizontal glacial striae. 
Duumanway, Co. Cork. 
s a narrow rocky glen facing to the N.W., which is the most 
clear example of the bed of an ancient glacier that I know of in 
the South of Ireland. The mouth of this glen is blocked up by a 
series of the most perfect moraines, now cut through by the small 
stream issuing from the gorge. 
