possible to assign its whole construction to the same period. At one time must have been built the West Wall, from its western end to the Gate VI U; at another period the entire South Wall, from VI U to the Gate VI T, together with the Towers VI h and VI g which project from the East Wall. To still another period belongs the East Wall, from the Gate VI T to the Tower VI g.
The poorest style of masonry is seen in the West Wall, which, with the exception of portions repaired at a later time, consists of small unwrought stones. In the East Wall the blocks are larger and better hewn, while the best form of masonry appears in the South Wall and in the towers, where the great stones are cut into rectangular blocks and closely fitted.
12. The Projections.[1]The wall of the citadel forms a great polygon, whose sides are of equal length and whose corners are distinguished by advancing angles. These advancing angles are a survival of the same style of masonry as is seen on a scale almost twice as large in the vast circumvallation at Gha, near Lake Copaïs—an architectural feature which shows a marked correspondence between the Mycenaean fortress of Boeotia and Mycenaean Troy. They occur also at Tiryns, in old Egyptian walls, and sometimes even in Greek walls of classical times. The projections in the walls of Troy vary in depth from 0.10 m. to 0.15 m., and in a few cases to 0.30 m.
13. West Wall.[2]Even though the West Wall shows
