Fig. 504. Pseud-iso-domum opus, with a course of opus insertum.
Opus Insertum, R. A Roman method of building, of courses of flat tiles, the most durable of all. Such courses were also introduced in the other kinds of stone and brick walls, in which they served as bond-courses, and also kept the damp from rising from the ground.
Fig. 505. Musivum opus.
Opus Musivum. Mosaic. (See Musivum.)
Opus Pectineum (comb-wrought). Woven work imitating embroidery.
Opus Phrygianum, R. Fine embroidery. (See Orphrey.)
Opus Plumarium (feather-stitch). Embroidery of which the stitches overlap one another like the feathers of a bird.
Fig. 506. Pseud-iso-domum opus.