Note 53 — BOOK III. (continued 4)

These paintings, executed in the abside of the cathedral, with the assistance of his pupils, constitute his most celebrated frescos. In this "Account" there is a Discourse, well worth notice, on Ancient Marbles of different Colours, which he introduced in those paintings, and the method he adopted in uniting them. Such a treatise, not to be found in any other writer, renders this little volume valuable; which shews, too, that he likewise excelled in architecture.