shrine on the top, also owed its peculiar shape to the same original conception: as the gods dwelt on the summit of the Mountain of the World, so their shrines should occupy a position as much like their residence as the feeble means of man would permit. That this is no idle fancy is proved by the very name of "Ziggurat," which means "_mountain peak_," and also by the names of some of these temples: one of the oldest and most famous indeed, in the city of Asshur, was named "the House of the Mountain of Countries." An excellent representation of a Ziggurat, as it must have looked with its surrounding palm grove by a river, is given us on a sculptured slab, also from Koyunjik. The original is evidently a small one, of probably five stages besides the platform on which it is built, with its two symmetrical paths up the ascent. Some, like the great temple at Ur, had only three stages, others again seven--always one of the three sacred numbers: three, corresponding to the divine Triad; five, to the five planets; seven, to the planets, sun and moon. The famous Temple of the Seven Spheres at Borsip (the Birs-Nimrud), often mentioned already, and rebuilt by Nebuchadnezzar about 600 B.C. from a far older structure, as he explains in his inscription (see p. 72), was probably the most gorgeous, as it was the largest; besides, it is the only one of which we have detailed and reliable descriptions and measurements, which may best be given in this place, almost entirely in the words of George Rawlinson:[AY] [Illustration: 68.--TEMPLE AND HANGING GARDENS AT KOYUNJIK. (British Museum.)] [Illustration: 69.--PLAN OF A ZIGGURAT. (Perrot and Chipiez.)]