453 Chu I-tsun 朱彝尊 (T. 竹垞). A.D. 1629-1709. A devoted student of archæology, who travelled far and wide to compare inscriptions on tombs and buildings with the records of them as given in books. He was also a clever essayist and a poet. In 1679 he was brought to the notice of the Emperor, and employed in historical and other work. He was the author of the 日下舊門 an archæological and historical description of Peking and its neighbourhood, of which an Imperial edition was published in 1774. Also, of the 經義考, a critical commentary on the Classics.