Sequăna
(
Σηκοάνας). Now the Seine; one of the principal rivers of
Gaul, rising in the central parts of that country, and flowing through the province of Gallia
Lugdunensis into the ocean opposite Britain. It is 346 miles in length. Its principal
affluents are the Matrona (Marne), Esia (Oise), with its tributary the Axona (Aisne), and
Incaunus (Yonne). This river has a slow current, and is navigable beyond Lutetia Parisiorum
(Paris) (
B. G. i. 1;
Ptol.ii. 8, 2).