Description of Plate XV.
SUBSTRUCTURES,
With probable Restorations of the Stagna, the Arena, &c.
Two Views.
A. Stagnum and Arena.
h, h. Stagnum.
i, i. Space between two canals, flooded at the time of the shows.
g, g, g. Passage under the canals.
A. The wooden framework.
F, F, F. Narrow platform and passage in front of the podium, and one of the dens.
I, I, I. The trap-doors for the lifts.
k, k. Smaller trap-door for lifts, (for dogs?).
B. Brick Arches of Nero supporting the Tufa Wall and Arch.
n, n, n. Level of the original pavement.
o. Passage.
p. Ancient tufa wall.
q. Brick arch of Nero, under an arch of tufa.
r. Segment of another brick arch of Nero, abutting against the centre of the tufa arch to support it, like an arch-buttress or flying-buttress of the Middle Ages. (For the Phototype of this arch, see Plate [IX.])
s. Socket for a pivot to work in.
THE COLOSSEUM.
PLATE XVI.
SUBSTRUCTURES EXCAVATED IN 1875,
With probable Restorations of the Lifts or Pegmata.
THE COLOSSEUM—SUBSTRUCTURES IN 1875
WITH PROBABLE RESTORATION OF THE LIFTS OR PEGMATA