on the Atlantic coast of [p. 2.1311]
Gallia, is mentioned in the Maritime Itin. after Uxantis and Sina or Sena. Middle age documents prove that the island of Belle-île
was once named Guedel,
and this is the name Vindilis, the interchange of Gu or G and W or V being common. [VAPINCUM
] Though this is the only evidence, it is sufficient, for the names agree, and Belle-île
is not likely to have been omitted in the Itin., when smaller islands along the coast are mentioned.