So Charles V.’s wall suffered the fate of that of Philip Augustus.

At the end of the fifteenth century, the Faubourg strides across it, passes beyond it, and runs farther. In the sixteenth, it seems to retreat visibly, and to bury itself deeper and deeper in the old city, so thick had the new city already become outside of it. Thus, beginning with the fifteenth century, where our story finds us, Paris had already outgrown the three concentric circles of walls which, from the time of Julian the Apostate, existed, so to speak, in germ in the Grand-Ch�telet and the Petit-Ch�telet. The mighty city had cracked, in succession, its four enclosures of walls, like a child grown too large for his garments of last year. Under Louis XI., this sea of houses was seen to be pierced at intervals by several groups of ruined towers,