[17] Bede’s Ecclesiastical History, book i. chap. 12.

[18] De Bell. Gal., lib. vi.

[19] Strabo, lib. iv.

[20] Plate xxvi. Sculptured stones of Scotland.

[21] Plate No. 3.

[22] Plate No. 4.

[23] Pinkerton’s Vitæ Sanctorum Scotiæ, pp. 286-7, quoted in the preface to the Sculptured Stones of Scotland, p. 5.

[24] Ulster Journal of Archæology, vol. v. p. 81.

[25] From Patricius His Purgatory, attributed to Spottiswood Bishop of Clogher, and also to his successor Bishop Jones, quoted in the Ulster Journal of Archæology, vol. v. p. 71, and in Carleton’s tale of “The Lough Derg Pilgrim.”

[26] Though a poetical authority is of no weight in antiquarian argument, it would be wrong to omit quoting Sir Walter Scott’s account of the famous fiery cross formed of twigs.