RESTORATION OF ONE COMPARTMENT OF THE SUPERSTRUCTURE. Shewing the colonnade of the third century, on the upper storey, after the burning of the wooden upper floor; to this colonnade the capitals and columns that have fallen down in an earthquake have belonged,—shewing also the arrangement of the seats, the corridors, and the _vomitoria_. THE COLOSSEUM. PLATE XIII. SECTION AND DETAILS OF ONE COMPARTMENT, INCLUDING THE SUBSTRUCTURES BELOW, AND THE AWNING ABOVE. [Illustration: THE COLOSSEUM 1875. SECTION AND DETAILS] DESCRIPTION OF PLATE XIII. SECTION AND DETAILS OF ONE COMPARTMENT, INCLUDING THE SUBSTRUCTURES BELOW, AND THE AWNING ABOVE. A, A, A. The wooden framework. C. Wall of central passage. D. Wall of central passage. E, E, E. The ancient tufa walls. F. The _podium_. G. First gallery. H. Second gallery. I, I. Upper galleries. K. The drain or cloaca. L. The passage for animals. M, M. The state corridors. O, O, O, O. Corbels at the foot of the masts. P, P. The dens, and vertical shafts for a man to descend to feed the animals. R, R, R, R. Corbels to stiffen the masts, and to carry the boards or planks of the arena. S. Passage from the den to the cage. a. Series of lattice-work to protect the lower gallery from the wild beasts. b, b, b. Masts to carry the awning. e. Place for the counter-weight in the tufa wall. f, f. Sockets in the pavement of the passage, for the pivots of the capstans to work in. THE COLOSSEUM. PLATE XIV. SECTION OF ONE BAY OR COMPARTMENT, AND PLANS OF THE SIX STOREYS. [Illustration: COLOSSEUM PLANS OF THE SIX STOREYS SECTION OF ONE BAY] DESCRIPTION OF PLATE XIV. SECTION OF ONE BAY OR COMPARTMENT, AND PLANS OF THE SIX STOREYS. a. Ground-storey and corridor. b. First storey and upper corridor. c. Second storey and _vomitoria_. d. Third storey, passage, and _vomitoria_. e. Fourth storey with _vomitoria_. f. Upper storey. It has not been generally observed that there are so many floors or storeys in the Colosseum. Two of these are only subdivisions for the _vomitoria_, still, to give a complete idea of the whole building, it was necessary to have them. THE COLOSSEUM. PLATE XV. SUBSTRUCTURES, WITH PROBABLE RESTORATIONS OF THE STAGNA, THE ARENA, &C. TWO VIEWS. [Illustration: COLOSSEUM—SUBSTRUCTURES h.h. STAGNUM—l.l. ARENA BRICK ARCHES OF NERO SUPPORTING THE TUFA WALL AND ARCH] 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.