This total absence of written Celtic cannot be a mere accident.
[Footnote 1: One example is _Sacrillos avot form._, suggesting a bilingual sentence such as we find in some Cornish documents of the period when Cornish was definitely giving way to English.

Another example, _Valens avoti_ (Dechelette, _Vases ceramiques_, i.

302), suggests the same stage of development in a different way.] No other Romano-British town has been excavated so extensively or so scientifically as Silchester.

None, therefore, has yielded so much evidence.

But we have no reason to consider Silchester exceptional in its character.