Hir Soster, that noman withinne,

Bot only thei that were suore,

It scholde knowe, and schop therfore 5800

That Tereüs nothing it wiste;

And yit riht as hirselven liste,[423]

Hir Soster was delivered sone

Out of prison, and be the mone

To Progne sche was broght be nyhte.

Whan ech of other hadde a sihte,

P. ii. 322