CATORI´SSIUM is placed in the Table on a road from Vienna ( Vienne), in Gallia Narbonensis, through Cularo ( Grenoble) to the Alpis Cottia ( Mont Genèvre). It is xii M. P. from Cularo on the route to the Alpis Cottia. Walckenaer places Catorissium at Petit Col d'Ornon et Quarele.
[G.L]