the third of that name who occupied the papal chair, succeeded Coelestinus in A. D. 432, and died A. D. 440. He is known as an author merely from some formal letters possessing no particular interest. They will be found in the of Coustant, vol. i. p. 1229. fol. Paris, 1721, and in the of Galland, vol. ix. p. 518, fol. Venet. 1773.