At Khorsabad the stone revetement of one portion at least of the wall was complete; at Nimrud (Calah) and at Nineveh itself, it was partial, being carried at the former of those places only to the height of twenty feet.

The masonry at Khorsabad was of three kinds.

That of the palace mound, which formed a portion of the outer defence, was composed entirely of blocks of stone, square-hewn and of great size, the length of the blocks varying from two to three yards, while the width was one yard, and the height from five to six feet.
[PLATE LVII., Fig.2.] The masonry was laid somewhat curiously.

The blocks (A A) were placed alternately long-wise and end-wise against the crude brick (B), so as not merely to lie against it, but to penetrate it with their ends in many places.

[PLATE LVII, Fig.