ARTIFICIAL

These are made of a very fusl blc, transparent, and dense gla , or paste, ns it is called, containing a large proportion of oxide of lead, and gcnerully some borax: the colours are given by metallic oxides. Much of their perfection depends upon the skill with which the exact tint of the real stone is imitated, and upon the care with Which they are cut and polished. GF.' NA. (Lat. gena, the cheek.) A term applied in Zoology to 'lie region between the eye and the mouth, generallv extended over the zygomatic arch. GENDARMES, or [s. 505]