THOMAS  , surnamed MAGISTER (i.e. officiorum),1 also known as a

monk by the name Theodulos Monachos, a native of Thessalonica, Byzantine scholar and grammarian and confidential adviser of Andronicus II . (1282-1328) . His chief work, 'EKXoyil 'Ovoµb.rwv Kai 'Prtµarwv 'ArnKG)v, is a collection of selected Attic words and phrases, partly arranged in alphabetical order, compiled as a help to Greek composition from the works of Phrynichus, Ammonius, Herodian and Moeris . He also wrote scholia on Aeschylus, Sophocles, Euripides (with life), and three of the comedies of Aristophanes; the scholia on Pindar, attributed to him in two MSS., are now assigned to Demetrius Triclinius . His speeches and letters consist partly of declamations on the usual sophistical themes, partly deal with contemporary historical events: an argument between the fathers of Cynegirus and Callimachus (two Athenians who fell at Marathon) as to which had the better claim to have the funeral oration pronounced over him first; a discussion on the duties of, a king and of his subjects; a defence of the Byzantine general Chandrenos addressed to the emperor; a letter on the cruelties of the Catalans and Turks in Thessaly and Macedonia; a congratulatory letter to Theodorus Metochita; a panegyric on the king of Cyprus . Editions of the 'E/cXoyn by F . Ritschl (1832), C . Jacobitz (1833) and C . D . Beck (1836); other works in J . P . Migne, Patrologia graeca, cxly .

; see also C .

Krumbacher, Geschichte der byzantinischen Litteratur (1897) .