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his valuable and various collection on oriental subjects; including, among other rare articles, the Adversaria, and unpublished MSS.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