(Ἀρκύων), or, as others read, Alcyon (Ἀλκύων), a surgeon at Rome, mentioned by Josephus (J. AJ 19.1) as having been called in to attend to those persons who had been wounded at Caligula's assassination, A. D. 41.
[W.A.G]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890