Ab urbe condita

The Janiculum also was brought into the city boundaries, not because the space was wanted, but to prevent such a strong position from being occupied by an enemy. It was decided to connect this hill with the City, not only by carrying the City wall round it, but also by a bridge, for the convenience of traffic.

This was the first bridge thrown over the Tiber, and was known as the Pons Sublicius.[*](Pons Sublicius —“ The Bridge of Piles.” down to comparatively late times, no material but wood was allowed in its construction, probably to allow of its being cut down in case of an enemy attempting to force a passage. We see this in the story of Horatius Cocles (Book II. chap. x.).) The Fossa Quiritium also was the work of King Ancus and afforded no inconsiderable protection to the lower