if so, the clay andpeaty matter, wet and slimy, that fiUed the interstices, wereprobably washed down from the layer above. Although nomention is made of outlets through the outer footing to carry offthe accumulated water as in the Antonine Wall, they mighteasily have escaped notice, as the… … o ^ 55 ROMANO-BRITISH BUILDINGS AND EARTHWORKS The ditches of these forts, with the exception of those of Birrens,are of the usual angulated form, but those of Ardoch have roundedbottoms, due, perhaps, to water-wear. The form at Birrens ispeculiar in having convex sides and a flat bottom. With…
Architecture, Roman · Architecture · Romans
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