See, in the first volume of Banduri's Imperium Orientale, Constantinus de Thematibus, p. 1 - 24, de Administrando Imperio, p. 45 - 127, edit. Venet. The text of the old edition of Meursius is corrected from a Ms. of the royal library of Paris, which Isaac Casaubon had formerly seen, (Epist. ad Polybium, p. 10,) and the sense is illustrated by two maps of William Deslisle, the prince of geographers till the appearance of the greater D'Anville.