much decayed, they are probably of the late date to which, as we have seen, many examples of imitation dog-tooth enrichments at Iona and elsewhere belong.
The parapet of the choir (see Fig. 984) is simple, and is supported on massive corbels, like those common in the castles of Scotland. The water of the gutters escapes by small apertures through the parapet.
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Fig. 985.—Iona Cathedral. Choir Pier and Arch of South Aisle.
The nave contains a good western doorway of late design (Fig. 994), with three orders of mouldings in the jambs, which have no caps, but have the jamb mouldings carried round the pointed arch. The nave and transepts have no aisles. The windows of the nave (Fig. 995) are much damaged. At each end of the south wall is a small single pointed light,
