early Norse rulers, 18;
defeated at Mortlach, 36;
raids on Moray coast, 76;
Freskyns appointed guardians of Moray against, 92;
expedition against south Hebrides, 98;
invasion of Sutherland repulsed at Embo, 121;
law and language in Orkney and Shetland, 128;
intermarriage with Celts, 130, 131;
influence of, on British law, 130;
religion of early settlers in British Isles, 130;