South-isles are the Hebrides, and the other islands down to Man.
"Harald the Unshorn:" he was so called at first because he made a vow not to cut his hair till he was sole king of Norway. When he had attained to this, and Earl Rognvald had taken him to the bath and trimmed his hair, he was called "Fair-hair," from its length and beauty.
"Godi" is the name for the rulers of the thirty-nine districts into which the republic of Iceland was anciently divided. While the ancient religion lasted, their office combined in itself the highest civil and sacerdotal functions.