ARBROATH ABBEY 561 THIRD PERIOD Behind this the rocky hill slopes gradually upwards. The round tower was probably placed at the south-west angle of the building so as to defend the courtyard on this its weakest side. The north-east and north-west angles of the courtyard wall were strengthened with round towers, now in ruins. The pointed, mullioned, and traceried windows are the most striking and exceptional features of the building. They probably indicate a date early in the fifteenth century. The castle is exceptional, and has more affinity with ecclesiastical than civil or military architecture. ARBROATH ABBEY, FORFARSHIRE. We have here (Fig. 477) an example of a castellated building con- nected with an ecclesiastical foundation. FIG. 477. Arbroath Abbey. Entrance Gateway. The precincts of the abbey, as was usually the case with such build- 2 N
