229 .-- Hippopotamus in blue glaze.] [Illustration: Fig.

230 .-- Glazed ware from Thebes.] [Illustration: Fig.

231 .-- Glazed ware from Thebes.] The Egyptians also enamelled stone.

One half at least of the scarabaei, cylinders, and amulets contained in our museums are of limestone or schist, covered with a coloured glaze.

Doubtless the common clay seemed to them inappropriate to this kind of decoration, for they substituted in its place various sorts of earth--some white and sandy; another sort brown and fine, which they obtained by the pulverisation of a particular kind of limestone found in the neighbourhood of Keneh, Luxor, and Asuan; and a third sort, reddish in tone, and mixed with powdered sandstone and brick-dust.