most eminent of our Oriental scholars. The Apology is absolutely unique of its kind. In antiquity, daring, rhetoric and power, we have nothing in the annals of the Mahometan controversy at all approaching it. And any research that might throw light upon the origin of the argument, the life and circumstances of our Author, the authenticity of the work, and the genuineness of the text handed down to us, must possess not only a literary interest, but in some respects a practical and important bearing on the same struggle, which is being waged to-day, as engaged the labours of Abdallah the Hâshimite and Abd al Masîh Al Kindy, the Christian, in the days of Al Mâmûn.