Chapter X

., continued to be practised in Rome throughout the Middle

Ages.

[Illustration: FIG. 90.--INTERIOR OF SAN AMBROGIO, MILAN.]

[Illustration: FIG. 91.--WEST FRONT AND CAMPANILE OF CATHEDRAL, PIACENZA.]

+LOMBARD STYLE.+ Owing to the general rebuilding of ancient churches under the more settled social conditions of the eleventh and twelfth centuries, little remains to us of the architecture of the three preceding centuries in Italy, except the Roman basilicas and a few baptisteries and circular churches, already mentioned in