IV.--THE FOUNDATION OF KELLS 306 King Diarmait 306 St. Columba's House 308 Round Tower of Kells 309 _Book of Kells_ 309 This MS. caused the Battle of Cuil-Dreimhne 310 Columba's departure from Derry 312 Port-a-Churraich 314 CHAPTER XIV. THE COLUMBIAN SCHOOL IN ALBA. I.--IONA 315 Columba settles in Iona 316 Reilig Odhran 317 Columba's Monasteries 318 Scribes in Iona 319 Rule in Iona 319 II.--COLUMBA PROTECTS THE BARDS 320 Threatened destruction of the Bards 320 Convention of Drumceat 321 Columba's defence of the Bards 322 The Bardic Schools 323 III.--DEATH OF COLUMBA 324 IV.--WRITINGS OF COLUMBA 326 _The Altus Prosator_ 327 _In te Christe_ 328 _Noli Pater_ 328 Irish Poems attributed to Columcille 329 Columba's Prophecies 329 V.--LIVES OF COLUMCILLE 330 VI.--OTHER SCHOLARS OF IONA 331 Baithen 331 Death of Baithen 333 Laisren 333 Seghine 333 Suibhne 334 Cuimine the Fair 334