Page:The Formation of Vegetable Mould through the Action of Worms (1881).djvu/227

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Chap. IV.
OF ANCIENT BUILDINGS.
213

in other places they were still in close contact with them.

In Fig. 14, we see a section across the paved floor of the southern corridor or ambulatory of a quadrangle, in an excavation made near "The Spring." The floor is 7 feet 9 inches wide, and the broken-down walls now project only ¾ of an inch above its level. The field, which was in pasture, here sloped from north to south, at an angle of 3° 40′. The nature of the ground on each side of the corridor is shown in the section. It consisted of earth full of stones and other débris, capped with dark vegetable mould which was thicker on the lower or southern than on the northern side. The pavement was nearly level along lines parallel to the side-walls, but had sunk in the middle as much as 7¾ inches.

A small room at no great distance from that represented in Fig. 13, had been enlarged by the Roman occupier on the southern side, by an addition of 5 feet 4 inches in breadth. For this purpose the southern wall of the house had been pulled down, but the foundations of the old wall had been left buried at a little depth