DYES, $41 of these, are all either vegetable or mineral productions, and, though well known in Egypt at an early period, may at least not have been common before the Israelites quitted that country, which would account for their not being alluded to in the Sacred Writings. Many of the Assyrian bas-reliefs are painted with various colours, particularly blue and red, which were, when dis- covered, as vivid as if just laid on, but faded on exposure to the air. Many bricks were found at Nimroud, painted with brilliant colours, and the ceilings were also gorgeously painted, or inlaid with ivory and precious woods. “The battles, sieges, triumphs, the exploits of the chase, and the ceremonies of religion were portrayed on the walls, sculp- tured in alabaster, or painted in gorgeous colours. These pictures were enclosed in coloured borders or friezes of elaborate and elegant design*.” Blue, as we have said, is probably of vegetable origin, for the simple plant-dyes would be used before the more artificial preparations from metals; but the purple and scarlet are supposed to have been animal productions, and as such must be more particularly considered. “The pre- eminence given at the present day to purple as a royal * Layard’s ‘Nineveh.’