EDINBURGH: EDMONSTON AND DOUGLAS. 1861. l$(o Q 9o It is more than nine years since I began the work which is now published, and which has occupied most of my leisure hours in the interval. The result may be quite inadequate to the time and labour bestowed, but those who are best acquainted with the task which I proposed to myself will be the most ready to make allowance for defects in its execution. I have spared no pains in endeavouring to reach the best sources of information, and have made diligent use of all that were accessible to me. I have thus been able to correct many mistakes and to supply not a few deficiencies in the narratives of former writers. ork I cannot hope that my own wT will be found to be without its faults; but I trust that, when they are pointed out, I shall be ready to acknowledge them, and —if opportunity be afforded me—to amend them. It is only within the last few years that the original authorities for a large portion of the early ecclesiastical history of Scotland have been made generally available even to scholars. Unpublished materials of some im portance ...