(Ἀταρρίας), mentioned several times by Q. Curtius (5.2, 7.1, viii 1), with a slight variation in the orthography of the name, in the wars of Alexander the Great, appears to have been the same who was sent by Cassander with a part of the army to oppose Aeacides, king of Epeirus, in B. C. 317. (Diod. 19.36.)