Reconstructs the development of the Irish origin legend and discusses the Greek element in the pedigrees of the Gaels. Appendixes contain (1) the pedigrees from Noah to Míl and (2) of Partholón, Góedel and Nemed.
Argues that the Manx Tynwald continues a Celtic rather than a Germanic tradition. Appendix contains a contemporary account of the Tynwald Fair Day of 1691.