AETIUS, a Greek physician, born at Amida in •Mesopotamia, who lived at the end of the 5th or the beginning of the 6th century. Of his personal history little is known, except that he studied at Alexandria, and was physician to the court at Constantinople with the title comes olsepii. He wrote a work entitled 130Aio. larpcia `EKKalacica, which is mainly a compilation fromthe works of previous authors. Eight books of this were issued from the Aldine press at Venice in 1534; various other parts have been frequently published ; and a Latin translation of the whole, by Cor- • narius, appeared at Basle in 1542.

JET N A. See ETNA.