enotes the idea, or image, conceived or formed in the mind of the artist, whereby he conducts his work. Such is the idea of Cæsar, which a painter has in his mind when he goes to make a picture of Cæsar.

EXEMPLIFICATION of letters Patent, denotes an exemplar, or copy of letters patent, made from the enrolment thereof, and sealed with the great seal of England. Such exemplifications are as effectual to be showed, or pleaded, as the letters patent themselves.