an ecclesiastical title borne by several Byzantine writers. The Syncellus was the chosen and confidential companion, commonly the destined successor, of a patriarch. Among the personages who bore this title were Demetrius Syncellus. metropolitan of Cyzicus [DEMETRIUS, literary, No. 17]; Elias Syncellus [ELIAS, No. 9]; Georgius Syncellus the Chronologist, quoted frequently by his title only, " Syncellus." [GEOGIUS, literary and ecclesiastical, No. 46]; Michael Syncellus of Jerusalem, of whom we subjoin an account, Michael Syncellus of Constantinople, otherwise Michael Monachus [MICHAEL, Byzantine writers, No. 9], and Stephanus Syneellus, Metropolitan of Nicomedia, whose treatise, De triplici Animae Dixisione was (perhaps is) extant in MS. in the original Greek text in the King's Library at Paris. Codd. mclxii. No. 2, and mdiv. No. 13. (Fabric. Biblioth. Graec. vol. xi. p. 715; Catalog. Codd. MStorum Biblioth. Regiae, vol. ii. pp. 225, 343. Fol. Paris. 1740.)