The following abbreviations have been used in quoting authorities for the Irish forms:—

“F.M.,” The Annals of the Four Masters.
“Book of R,” The Book of Rights (Leabhar-na-gCeart).
“Hy F.,” The Tribes and Customs of Hy Fiachrath.
“O’Dugan,” The topographical Poems of O’Dugan and O’Heeren.
“O’C. Cal.,” O’Clery’s Calendar of Irish Saints, or, The Martyrology of Donegal.
“Wars of GG.,” The Wars of the Gaedhil with the Gaill (of the Irish with the Danes).
“Mart. Tam.,” The Martyrology of Tallaght.
The Irish forms are always in Italics.
The pronunciation of the principal Irish words is given in brackets, as nearly as can be represented by English letters.

Note that comments in the present tense were written in 1869.