Fragmenta Regalia

e, and last into Britain, chose this situation for the convenience of the river, calling it Troja Nova, which name was afterwards corrupted into Trinovant. But when Lud, the brother of Cassibilan, or Cassivelan, who warred against Julius Caesar, as he himself mentions (lib. v. de Bell. Gall.), came to the crown, he encompassed it with very strong walls, and towers very artfully constructed, and from his own name called it Caier Lud, I.E., Lud's City. This name was corrupted into that of Caerlunda, and again in time, by change of language, into Londres. Lud, when he died, was buried in this town, near that gate which is yet called in Welsh, Por Lud--in Saxon, Ludesgate.

The famous river Thames owes part of its stream, as well as its appellation, to the Isis; rising a little above Winchelcomb, and being increased with several rivulets, unites both its waters and its name to the Thame, on the other side of Oxford; thence, after passing by London, and being of the utmost utility, from its greatness and nav