h. Line of the profiles of ancient tufa piers of arches. (These are represented by dotted lines only, as if transparent, to shew the consoles of the Flavian Emperor inserted in them.)
i*. Line of second arcade of tufa.
A. Plan.
B. Section.
The same letters of reference are used in the plan of this section.
THE COLOSSEUM.
PLATE XIX.
VIEW IN PART OF THE SUBSTRUCTURE, WITH PLAN AND SECTION.
VIEW IN THE SUBSTRUCTURES.