(h)Erinn; but the initial _h_ is often omitted.

See Max Mueller's Lectures for an interesting note on this subject, to which we shall again refer.
[18] _Poets_ .-- The _Book of Lecain_ was written in 1416, by an ancestor of Mac Firbis.

Usher had it for some time in his possession; James II.
carried it to Paris, and deposited it in the Irish College in the presence of a notary and witnesses.

In 1787, the Chevalier O'Reilly procured its restoration to Ireland; and it passed eventually from Vallancey to the Royal Irish Academy, where it is now carefully preserved.
[19] _Murdered_ .-- The circumstances of the murder are unhappily characteristic of the times.

The Celtic race was under the ban of penal laws for adherence to the faith of their fathers.