XVIII. Of the return of Juzef Ben Taxfin to Africa; incursions
of the Almoravides on the Kingdom of Seville;
Huesca is taken by the Christians after the victory
of Alcozara; second voyage of Juzef to Spain
XIX. Of the dissensions now prevailing among the Moslemah;
Juzef Ben Taxfin returns to Africa in alarm at the
advance of Alfonso; returns to Spain; arrives at
Toledo, and thence repairs to Cordova; the Almo-
ravides become masters of Spain
XX. Conquests of the Almoravides in Andalusia; Alfonso,
King of Gallicia, raises an army in aid of the King
of Seville; his forces are defeated by the Almo-
ravides; subsequent fortunes of the King of Seville;