ULUG BEIG, a Persian prince and learned astronomer, was descended from the famous Tamerlane, and reigned at Samarcand about 40 years; after which he was murdered by his own son, in 1449. His catalogue of the fixed stars, rectified for the year 1434, was published at Oxford by Mr Hyde, in 1665, with learned notes. Mr Hudson printed in his English Geography Ulug Beig's Tables of the longitude and latitude of places; and Mr Greaves published, in Latin, his Astronomical Epochae, at London, in 1650.