An essay on the antiquity of the Irish language [electronic resource] : Being a collation of the Irish with the Punic language. With a preface proving Ireland to be the thule of the ancients. Addressed to the literati of Europe. To which is added, a correction of the mistakes of Mr. Lhwyd in reading the ancient Irish manuscript lives of the patriarches. Also, the mistakes committed by Mr. Baretti in his collation of the Irish with the Biscayan language (quoted in his late publications) exposed and corrected