Page:A Journey to the Western Islands of Scotland - Johnson (1775).djvu/362

 could not be violated without the blackest infamy. In those days of violence and rapine, it was of great importance to impress upon savage minds the sanctity of an oath, by some particular and extraordinary circumstances. They would not have recourse to the black stones, upon small or common occasions, and when they had established their faith by this tremendous sanction, inconstancy and treachery were no longer feared.

The chapel of the nunnery is now used by the inhabitants as a kind of general cow-house, and the bottom is consequently too miry for examination. Some of the stones which covered the later abbesses have inscriptions, which might yet be read, if the chapel were cleansed. The roof of this, as of all the other buildings, is totally destroyed, not only because timber quickly decays when it is neglected, but because in an island utterly destitute of wood,