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 also conclude that it was the Severn Sea which was the cause of the subdivision, and that therefore Wales was included in Britannia Secunda. Each of these Britannias was ruled by a governor called praeses or president, but the military command was in the hands of another official, who was called the Comes Brittaniae. Whether the reasoning just elaborated will be substantiated or otherwise by fresh discoveries, this at least is certain, that it is unquestionably to the kings and ecclesiastics of the smaller Britannia which we have just delineated that St. Gildas, who died after the middle of the sixth century, addresses his well-known Epistola. Beginning with the words Reges habet Britannia, sed tyrannos (Britannia hath kings but they are tyrants), he proceeds to address five of the principal ones by name, commencing with him of Devon, and going in regular order until he reaches him of Anglesey, whom God hath 'made