heresy begun by Apollinaris the Younger, Bishop of Laodicea, c.376,teaching that Christ had a human sensitive soul, but had no human rational mind, the place of which was taken by Divine Logos. It was condemned by Roman Councils, 377,381, and the Council of Constantinople, 381. The sect perished about 416, some members returning to the Church, while the rest became Monophysites, believing that Christ had only a divine, but no human, will.