IX. Earliest Notices of the Bishopric of lxxix-lxxxvii. Caithness—Andrew, first known Bishop—John—Adam—Letter of Pope Honorius referring to the burning of Bishop Adam—Gilbert the Saint—William—Walter—Archibald—Alan—Adam— Andrew—Ferquhard—Nicolas—David—Alan—Thomas— Malcolm—Alexander—Robert—William. X. Cathedral of St. Magnus—Removal of the Relics of lxxxvii-ci. St. Magnus from Christ’s Church in Birsay to St. Olaf’s Church in Kirkwall: Transference to the Cathedral—Egilsey Church—Munch’s view of the Origin of the Name Egilsey—Discussion of the probable Age of the Church—Church of Orphir built in imitation of the Church of the Holy Sepulchre at Jerusalem—Earl Hacon probably its Founder—Christ’s Church in Birsay the first recorded Christian Church in the Islands—Remains of an older Church at the Site of the present Parish Church—Church of Weir: Bishop Bjarni probably its Founder—Church at Lybster, in Reay, Caithness—Church on the Brough of Birsay probably twin-towered—Church on the Brough of Deerness: Superstitious Practices at it in last Century—Old Parish Church of Deerness—Towered Churches of Shetland XI. Maeshow, the Orkahaug of the Saga—The ci-cviii. Hogboy—Description of Maeshow—The Runic Inscriptions on its Walls—Carved Dragon and Cross on its Buttresses—The Jorsala-farer s—Names of Persons mentioned in the Saga carved on it—The Stones of Stennis—The Ring of Brogar—The Ring of Stennis, and Cromlech—The Ring of Bookan—Stennis mentioned in the Saga—Havard’s teigr—Earl Havard’s Grave-Mound XII. Mousa and its Tower—Description of cix-cxi. Moseyarborg—Number and Distribution of the Pictish Towers—Results of recent Excavations in them—Condition of the People who lived in them—Roman Coins found in them—Notices of the Tower of Mousa in the Sagas