s obscurely mentioned by Dion Cassius, and show that wheresoever Celtic London stood, whether on the left or the right bank, Aulus Plautius chose the easternmost of the double hills for his bridge head; and when the wall was built, a couple of centuries later, it took in the western hill as well, while the bridge rendered the ford at Westminster useless, and the Watling Street was diverted at the Marble Arch along Oxford Street, instead of running straight down Park Lane to the ford at Westminster.
As for facts in the history of Celtic London, we have none. The late General Pitt Rivers recorded the discovery of piles, of origin possibly before the Roman period, in the street called London Wall, and also in Southwark, some nine feet below the present surface. A few articles of Roman make were found mixed with a few bone implements of a ruder type. This, the only authentic discovery of the kind, does not prove more than that some of the Britons lived among the Romans, and the date is quite uncertain. As