Chap. IV.

BRICKS AND TILES.

7IS

on the underside, for the purpose of hanging on the lath; the tail of the next overlapping,and by its weight keeping the other in its place.

Fig. 5 *j7. semicircular formed tii.es.

The semicircular formed Tile lies like the plates of chain mail one over the other, andforms an admirable covering both for effect and utility. In these the fdlet which bounds

WAVY TILES

the concave sides is elevated above the tile, and that dotted is raised beneath it, so that whenplaced it covers the others and keeps all the joints tight, as well as serves to hang them alltogether; this is a very ingenious and excellent inode of forming the tile.

Most buildings might be improved by making their covering more ornamental, and whena graceful form is given to the tile, it contributes greatly to the effect. In the examplethree are made use of, and that which lies undermost forms the gutter, which conveysaway the water that falls upon the roof; the wavy character of the arrangement is welladapted for rustic building, and worthy of imitation.

These plates of*clay baked in a kiln have been long used for covering the roofs of houses,and the moderns have generally adopted only one kind, whilst the ancients employed two :that placed in regular rows was called imbrex , and that which covered the joints of two so