Each bay comprises four large Gothic-Flamboyant niches containing the same number of carved groups. A versified legend in French accompanies each subject treated. Below, is a lofty basement almost entirely covered with carved medallions.

The stone sculpture which decorates the northern enclosure of the choir depicts eight scenes from the life of St. John the Baptist.

(a) In the first bay coming from the apse (12 on plan):—

Vengeance of Herod’s wife.—Beheading of St. John the Baptist.—Herod’s feast.—Imprisonment of St. John the Baptist.

(b) In the second bay (that nearest the transept—11 on plan):—

St. John showing the Lamb of God.—St. John revealing his mission