Jean Gascou originally wrote this article in 1995, and kept it for this volume of studies on governors. In the meantime, a text published in Oxyrhynchus Papyri LXIII has confirmed his hypothesis that the dux Maurice, subject of an eulogy by one Cyrus of 'Antiopolis' (that is, Antaiopolis) mentioned by Photius in the Bibliotheca, should be identified with the dux Maurice attested not only in a graffito from the Syringes, but also in an inscription at Syene and a Latin papyrus at Leipzig, which date Cyrus and his poem to about 367-375 — a discovery which further supports Gascou's identification. This discovery led to some important conclusions, which provide another reason for publishing it without alteration. Photius apparently calls Maurice dux and also hegemon, a title which should only apply to a praeses. This encomium must have had a double object - the dux of Egypt and the praeses of Thebais. This is not as extraordinary as it might seem, and Gascou provides two parallels : the first is the eulogy written in 535-6 by Choricius of Gaza in honor of A ratios, dux of Palestine and Stephanos, praeses of Palaestina I ; the second is a poem, only known from its inscription by the grammarian John of Gaza (PLG III, p. 344 ; first half of the 6th century) in honor of two Zacharias, one a previously unknown dux of Palestine, and another whose rank of megaloprepestatos shows him to be a praeses, presumably of Palaestina I — not necessarily identifiable with the Zacharias known in this office in 516/7. Three encomiastic works with such similar inscriptiones allow us to imagine a particular literary genre, the eulogy of two subjects, which must have come into being in response to the double administration of certain provinces ; the lost poem of Cyrus of Antaiopolis provides the earliest evidence, and the speech of Choricius the only complete example.