occurrence. I may observe also, that the horizontal-headed window and the triangular-headed one, are usually found in the south wall of the chancel, and very rarely in the east wall, which usually contains a semicircular-headed window, the arch of which is often cut out of a single stone, as in the annexed example in the church of the Trinity, at Glendalough. p. 179.
WINDOWS OF THE CHURCH OF THE TRINITY AT GLENDALOUGH.
Window of St. Cronan's Church.
"A semicircular-headed window in the east end of St. Mac Dara's church, on the island called Cruach Mic Dara, off the coast of Connamara; and a semicircular-headed window, quadrangular on the inside, in the east end of St. Cronan's church, at Termoncronan, in the parish of Carron, barony of Burren, and county of Clare:
"The same mode of construction is observable in the windows of the ancient oratories, which are built without cement, in the neighbourhood of Dingle, in the county of Kerry, as in the east and only window in the oratory at Gallerus, of which an external view has been already given, p. 182.
"As an example of the general appearance of these primitive structures, when of inferior size, I annex an engraving of the very ancient church called Tempull Ceannanach, on Inis Meadhoin, or the Middle Island, of Aran, in the Bay of Galway. This little church,—which would be in perfect preservation if its stone roof remained,—measures on the inside but sixteen feet six inches in length, and twelve feet six inches in breadth; and its walls, which are three feet in thickness, are built in a style quite
