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victories over that people, was laying siege to Lisbon, when Robert, Duke of Gloucester, on his way to the Holy Land, appeared upon the coast of that kingdom. As the cause was the same, Robert was easily persuaded to make his first crusade in Portugal. He demanded that the storming of the Castle of Lisbon, situated on a considerable hill, and whose ruins shew it to have been of great strength, should be allotted to him, while Alphonso was to assail the walls and the city. Both Leaders were successful; and Alphonso, among the rewards which he bestowed upon the English, granted to those who were wounded, or unable to proceed to Palestine, the Castle of Almada, and the adjoining lands.
The river Tagus below and opposite to Lisbon, is edged by steep grotesque rocks, particularly on the south side. Those on the south are generally higher and much more magnificent and picturesque than the Cliffs of Dover. Upon one of the highest of these, and directly opposite to Lisbon, remain the stately ruins of the Castle of Almada.
In December, 1779, as the Author was wandering among these ruins, he was struck with the idea, and formed the plan of the following poem; an idea, which, it may be
