Two orders of pillars were employed to support the roof of this splendid building; one, represented in Woodcut No. 91, with double bull capitals, like those of the porch of Darius’s palace. They are 67 ft. 4 in. in height from the floor to the back of the bull’s neck, or 64 ft. to the under side of the beam that lay between the bulls. The other order, with the Ionic volutes (woodcut No. 96), was also that employed in the northern portico, and generally in the interior throughout this building, and is nearly identical, as far as the base and shaft are concerned, except in the height of the latter. The capital, however, differs widely, and is 16 ft. 6 in. in height, making an order altogether 9 ft. 7 in. less than that used externally, the difference being made up by brackets of wood, which supported the beams of the roof, internally at least, though externally the double bull capital probably surmounted these Ionic-like scrolls. There is no reason to doubt that these halls also had platforms or talars like the smaller halls, which would also serve to shelter any opening in the roof, though in the present instance it seems very doubtful if any such openings or skylights existed or were indeed required. Thus arranged, the section of the buildings would be as shown in the woodcut (No. 97); and presuming this structure to have been sculptured and painted as richly as others of its age and class, which it no doubt was, it must have been not only one of the largest, but one of the most splendid buildings of antiquity. In plan it was a rectangle of about 300 ft. by 350, and consequently covered 105,000 square ft.; it was thus larger than the hypostyle hall at Karnac, or any of the largest temples of Greece or Rome. It is larger, too, than any mediæval cathedral except that of Milan; and although it has neither the stone roof of a cathedral, nor the massiveness of an Egyptian building, still its size and proportions, combined with the lightness of its architecture and the beauty of its decorations, must have made it one of the most beautiful buildings ever erected. Both in design and proportion it far surpassed those of Assyria, and though possessing much of detail or ornament that was almost identical, its arrangement and proportions were so superior in every respect that no similar building in Nineveh can be compared with this, the great architectural creation of the Persian Empire. [Illustration: 95. Pillar of Western Portico.] [Illustration: 96. Pillar of Northern Portico.]