3. An Aetolian (called Archidamus by Livy), who commanded the Aetolian troops which assisted the Romans in their war with Philip. In B. C. 199 he compelled Philip to raise the siege of Thaumaci (Liv. 32.4), and took an active part in the battle of Cynoscephalae, B. C. 197, in which Philip was defeated. (Plb. 18.4.) When the war Broke out between the Romans and the Aetolians, he was sent as ambassador to the Achaeans to solicit their assistance, B. C. 192 (Liv. 35.48); and on the defeat of Antiochus the Great in the following year, he went as ambassador to the consul M'. Acilius Glabrio to sue for peace. (Plb. 20.9.) In B. C. 169 he was denounced to the Romans by Lyciscus as one of their enemies. (Plb. 28.4.) he joined Perseus the same year, and accompanied the Macedonian King in his flight after his defeat in 168. (Liv. 43.23, 24, 44.43.)