his design in the pavement had been entrusted to pagans, who, through ignorance, had substituted the head of Neptune for that of the Saviour.
Such a solution, though possible, is barely probable.
My own belief is, that the cross was a sacred sign among the Gaulish Kelts, and that the villa at Pau had belonged to a Gallo-Roman, who introduced into it the symbol of the water-god of his national religion, and combined it with the representation of the marine deity of the conquerors’ creed.
My reasons for believing the cross to have been a Gaulish sign are these:—
The most ancient coins of the Gauls were circular, with a cross in the middle; little wheels, as it were, with four large perforations (Figs. 6, 7, 8). That these rouelles were not designed to represent wheels is apparent from there being only four spokes, placed at right angles. Moreover, when the coins of the Greek type took their place, the cross was continued as the ornamentation of the coin. The gold and silver Greek pieces circulating at Marseilles were the cause of the abandonment of the primitive type;
