The walls were built of blocks of roughly hewn stone, laid in regular courses, but without any kind of mortar or cement; they were surmounted by battlements, and flanked at intervals by square towers, at the foot of which were outworks to protect the points most open to attack. The entrance was approached by narrow and dangerous pathways, which sometimes ran on ledges across the precipitous face of the rock. The dwelling-houses were of very simple construction, being merely square cabins of stone or brick, devoid of any external ornament, and pierced by one low doorway, but sometimes surmounted by an open colonnade supported by a row of small pillars; a flat roof with a parapet crowned the whole, though this was often replaced by a gabled top, which was better adapted to withstand the rains and snows of winter. The palaces of the chiefs differed from the private houses in the size of their apartments and the greater care bestowed upon their decoration. Their facades were sometimes adorned with columns, and ornamented with bucklers or carved discs of metal; slabs of stone covered with inscriptions lined the inner halls, but we do not know whether the kings added to their dedications to the gods and the recital of their victories, pictures of the battles they had fought and of the fortresses they had destroyed. The furniture resembled that in the houses of Nineveh, but was of simpler workmanship, and perhaps the most valuable articles were imported from Assyria or were of Aramaean manufacture. The temples seemed to have differed little from the palaces, at least in external appearance. The masonry was more regular and more skilfully laid; the outer court was filled with brazen lavers and statues; the interior was furnished with altars, sacrificial stones, idols in human or animal shape, and bowls identical with those in the sanctuaries on the Euphrates, but the nature and details of the rites in which they were employed are unknown. One supreme deity, Khaldis, god of the sky, was, as far as we can conjecture, the protector of the whole nation, and their name was derived from his, as that of the Assyrians was from Assur, the Cossaeans from Kashshu, and the Khati from Khatu. [Illustration: 086.jpg TEMPLE OF KHALDIS AT MUZAZIR] This deity was assisted in the government of the universe by Teisbas, god of the air, and Ardinis the sun-god. Groups of secondary deities were ranged around this sovereign triad--Auis, the water; Ayas, the earth; Selardis, the moon; Kharubainis, Irmusinis, Adarutas, and Arzi-melas: one single inscription enumerates forty-six, but some of these were worshipped in special localities only. [Illustration: 089.jpg ASSYRIAN SOLDIERS CARRYING OFF OR DESTROYING THE FURNITURE OF AN URARTIAN TEMPLE] Drawn by Faucher-Gudin, from Botta. Scribes are weighing gold, and soldiers destroying the statue of a god with their axes.