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II
GOTHIC CONSTRUCTION IN FRANCE
107
the doorway in the south tower is a small pointed arched aperture of two orders, while the corresponding opening in the north tower is smaller and round arched. Above each of these openings there is an obtusely pointed blind arcade
FIG. 59.
of two arches on slender shafts, and over these again are small circular openings like that on the same level in the central bay. The tower buttresses here, unlike those of the Abbaye-aux-Hommes, continue up to the cornice of the first story above the roof of the nave. In this story the space
