The Pooka, rectè Púca, seems essentially an animal spirit. Some derive his name from poc, a he-goat; and speculative persons consider him the forefather of Shakespere's "Puck." On solitary mountains and among old ruins he lives, "grown monstrous with much solitude," and is of the race of the nightmare. "In the MS. story, called 'Mac-na-Michomhairle,' of uncertain authorship," writes me Mr. Douglas Hyde, "we read that 'out of a certain hill in Leinster, there used to emerge as far as his middle, a plump, sleek, terrible steed, and speak in human voice to each person about November-day, and he was accustomed to give intelligent and proper answers to such as consulted him concerning all that would befall them until the November of next year. And the people used to leave gifts and presents at the hill until the coming of Patrick and the holy clergy.' T............