[215] Mitt. der D. O.-G., No. 31, p. 28, No. 32, p. 36; and Festungswerke, vol. i, p. 115.

[216] L’Acropole de Suse, Plate 2. It is doubtful whether the towers in the plan are based upon actual observation, or due to a restoration on the part of the excavator.

[217] Andrae, Hatra, pt. ii, pp. 36, 39, and 53.

[218] Hilprecht, Explorations in Bible Lands, P. 559.

[219] Dastajird, Sarre-Herzfeld, Iranische Felsreliefs, p. 237; Iṣṭakhr (the walls may, however, have been Achaemenid), Flandin-Coste, Voyage en Perse, Plate 58; Qal’a-i-Kuhna, idem, Plate 213 bis.

[220] Koldewey, Sendschirli, pt. ii, pp. 172-8.

[221] Perrot-Chipiez, vol. iv, p. 505.

[222] Puchstein, Boghaskoi, Plate 2.

[223] Perrot-Chipiez, vol. vi, Plate 1.

[224] Durm, Baukunst der Griechen, pp. 38 and 42.