placed unreservedly at my command, his valuable and various collection on oriental subjects; including, among other rare articles, the Adversaria, and unpublished MSS. of the learned Sale: materials by which I have not failed to profit; especially in the final notes. May I be permitted, also, to notice the liberality of my respectable publishers; who voluntarily engaged to supply me with all the necessary authorities; and have made their engagement more than good; sparing, for this purpose, neither their trouble, nor their time. But my last, no less than my earliest, acknowledgments, are due to him, who, "even from my youth up," has been the chosen guide and guardian of my pursuits and studies. Through every previous stage of the present work, it has been my happiness to find in Your Lordship a safe and wise adviser; and, in passing it through the Press, each sheet has had the advantage of being submitted to the censure of a vigilant, but friendly eye. I have the honour to remain, With dutiful respect, My LORD, Your Lordship's most faithful and affectionate friend and servant, CHARLES FORSTER. LONDON, February 16. 1829. Ob Mis Success of Mahometanism. A subject of great and general interest. Not satisfactorily accounted for. Inquiry on just principles recommended. General features. scure origin. Social and political state of Arabia. Sudden rise of Mahometanism. Rapid and wide propagation. Permanence. Completeness of mental dominion. Transformative power, as conquering, as conquered. Abstract nature of belief. Simplicity of rites. Summary. Objections of infidels. Mr. Gibbon. Replies of Christian advocates. Dr. Paley. Dr. White. Instances of argumentative unfairness. Fanciful causes of success. taken estimate of real causes. Re-statement. Subject examined on a new principle. Two promises to Abraham. Covenant of Isaac. Covenant of Ishmael. Analogy in terms and results. Advantages of this view. Objectionable matter measured by a just standard. Ways of Providence vindicated. Basis of the present argument. Its general outline. Correspondence with prophetic Scripture. Agreement with actual phenomena. Twofold prediction and accomplishment. Temporal, spiritual. Isaac; Jews, Christians. Ishmael; Arabs, Turks, Tartars. Child of promise; true revelation. Spurious offspring; false creed. Plan of work. Concluding reflections. SECTION I.- Pages 113-161. Original promise to Abraham. Two parts-lineal-social. triarchs tions. Judah - Jews Messiah. Kedar- - - of Ishmael Mahometanism. Appropriate characters of promises and accomplishments. Two promises to Abra- ham - confounded by Jews. Temporal blessing — ap- plication of to Jews to ancient Arabs. Appearance of Mahomet clears the two promises-completes the ana- logous fulfilments. Nations of earth adopted into fami- lies of Isaac and Ishmael. Mahometanism compared with Christianity with Judaism. Correspondence and con- trast of systems equally important. Existence of two-fold promise a pledge of twofold accomplishment. Covenant of Isaac fulfilled manner of fulfilment known - its ful- filment an assurance that Ishmael's will be accomplished in like manner. Anticipations met by history of Israel- ites and Ishmaelites of Jews and Saracens sustained - - - - |