CHAPTER XV.

THE LATER COLUMBIAN SCHOOLS IN IRELAND.

I.--KELLS HEAD OF THE COLUMBIAN HOUSES 348 Kells pillaged by the Danes 348 The Cathach 348

II.--MARIANUS SCOTUS 349 _Commentaries on the Epistles of St. Paul_ 351

III.--THE LATER SCHOOL OF DERRY 352 The Ua Brolchain 352 St. Maelisa O'Brolchain 353 Flaithbhertach O'Brolchain 354 The Abbot of Derry resolves to renovate his monastery and collects funds for the purpose 355 Synod of the Clergy of Ireland convened at Bri Mac Taidgh in Laeghaire 356 See of Derry established 357

IV.--GELASIUS 358 His name of _Mac Liag_ 358 Gelasius becomes Abbot of Derry, 359 He reforms the morals of clergy and people 359 Synod of Kells 360 Synod of Mellifont 361 Synod of Brigh Mac-Taidgh 361 Synod of Clane 362 Gelasius consecrates St. Laurence O'Toole 362 Death of Gelasius 363