EULALIUS (d. 423), anti-pope in 418 in opposition to Boni face I. (q.v.). The rivalry led to the first interference of the tem poral authorities in papal elections, and Eulalius was ultimately banished to Campania.
See Liber Ponti ficalis, vol. i. ed. Duchesne (Paris, 1886) and Jaffe, Regesta Romanorum Pontificum, vol. i. (Leipzig, 1885) .