The great rose-window of the north transept, though later, is not much more so than the work I have been describing. It has an outer ring of twelve cusped circles, six within these, and one in the centre. The whole is filled with old glass. The centre circle has the Crucifixion; the six circles round it St. Mary, St. John, and four Angels; and the outer circles figures of the twelve greater prophets, pointing towards our Lord. The ground of the centre circles within the cusps is a light pure blue, and the cusps are filled with conventional foliage. The whole is fastened to rings of iron, in the usual way, and is the best example of stained glass now remaining in the cathedral. The works undertaken here in the fourteenth century were very considerable. The north doorway, the doorway of St. Catherine, leading from the cloisters; the clerestory in the nave and nave-aisles and transepts, and probably the whole of the four western bays of the nave; the screens round the Coro, the chapel of San Ildefonso, and some other portions, were all of this period; and the dates of many of them being certain, they give admirable opportunities for the study of the detail of the Spanish middle-pointed style. The north door has three statues in each jamb, and a central figure of the Blessed Virgin and our Lord. The arch has in its three orders different orders of angels, and the tympanum is divided into four spaces by horizontal divisions, containing the following subjects: (1) The Annunciation, the Salutation, the Nativity, the Adoration of the Magi, the Massacre of the Innocents; (2) the Marriage at Cana, the Presentation, the Dispute with the Doctors, the Flight into Egypt; (3) the Marriage at Cana continued all across; and (4) the Death of the Blessed Virgin Mary. The whole is good work of the end of the fourteenth century. The doorway of St. Catherine, which opens into the cloister, is mainly remarkable for its elaborate mouldings, but has a central figure of the saint and two others standing on capitals, and under canopies, on either side of the doorway. The arch is crocketed and covered with a profusion of small carving, and with coats-of-arms of Castile and Leon. The label is crocketed, and between the doorway and the vault of the cloister a rose window and two windows of two lights each are picturesquely grouped. The other great doorways are almost all modernized and uninteresting.