In the transept is to be seen the same change from the round arches and fluted pilaster strips of the Romanesque day to the Primary Gothic characteristics. During the first third of the XIII century the transept was vaulted, its two towers raised, and the choir's four easternmost bays built. Lyons was then governed by one of its best rulers, Archbishop Renaud de Forez, who laid here the base for several centuries of prosperity. Circumstances forced him into the position of a leader of armies, but his natural inclination led him to the cloister's peace to end his days. In 1226, as president of a free city, he received Louis VIII, shortly before that king's sudden death. This capable churchman presented to his cathedral the seven magnificent lancets in the curving sanctuary wall, that glow with the sparkling jewel-radiance achieved before 1220, but never equaled afterwards. The windows at Lyons are linked with those at Sens, and Sens' lancets we know to have been related to the earlier school of Chartres. What differentiates Lyons' medallions from those in the north was their use of certain Byzantine arrangements, such as the Virgin reclining on a couch in the Bethlehem grotto, or the representing St. John with a beard. The first light in the Lyons' chevet celebrates the local martyrs. The axis window is a New Alliance, wherein the Old Law symbolizes the New. The meaning of its animal allegories was first explained by Père Cahier, who observed that they were taken from the ancient book called the _Bestiaires_. M. Mâle further discovered that Lyons' New Alliance window showed only those animals spoken of in Honoré d'Autun's popular _Mirror of the Church_. Honoré, who taught in Autun's cathedral school early in the XII century, was the initiator of animal symbolism in French cathedrals. In the upper lights of Lyons' choir are some XIII-century archaic figures of big gaunt patriarchs with strange white eyes. The upper choir's triplet windows of different heights are most artistic. Under the north rose of the transept is a large lancet of surpassing effect, and in the transeptal chapel, close by, is a window that is like a sublimated topaz. The small pieces of glass used, their varied thicknesses and roughnesses are causes producing such sparkle. One cannot stress too strongly the exceptional character of Lyons' glass. Centuries later, in the Flamboyant day, this city produced again a bevy of notable masters. The nave of Lyons Cathedral advanced, bay by bay, in slow progress all through the XIII century, and sculpture and tracery in triforium and clearstory show the gradual change to Rayonnant design. The nave of northern Gothic conformed itself with sound instinct to the Romanesque southern choir. This is a cathedral that kneels more than it soars. The ancient city exulted on Fourvière's hill, but it thought best to keep its cathedral as a solemn cenotaph for its white army of unburied martyrs.