the companion of Eneas, and his most faithful friend, celebrated in Virgil.

in natural history. See **AGATE**.

(anc. geog.), a river of Sicily, now the Drillo; which runs from north to south, almost parallel with, and at no great distance from, the Gela; and rises in the north of the territory of Noto. It gave name to the Achates, or Agate, said to be first found there.