one of the places called Mutationes in the Jerusalem Itinerary, on the road from Bordeaux
From Civitas Auscius (Auch
) to Mutatio ad Sextum is 6 Gallic leagues; and from Mutatio ad Sextum to Hungunuerro is 7 Gallic leagues.
The road is direct from Auch
as far as Toulouse;
and if anybody can get a good map of that part, he will be able to guess where the place is, for it is on the straight road between Auch
D'Anville guesses Gircaro;
Walckenaer guesses “Hundu de devant