We shall now understand the comic element in caricature. However regular we may imagine a face to be, however harmonious its lines and supple its movements, their adjustment is never altogether perfect: there will always be discoverable the signs of some impending bias, the vague suggestion of a possible grimace, in short some favourite distortion towards which nature seems to be particularly inclined. The art of the caricaturist consists in detecting this, at times, imperceptible tendency, and in rendering it visible to all eyes by magnifying it. He makes his models grimace, as they would do themselves if they went to the end of their tether. Beneath the skin-deep harmony of form, he divines the deep-seated recalcitrance of matter. He realises disproportions and deformations which must have existed in nature as mere inclinations, but which have not succeeded in coming to a head, being held in check by a higher force. His art, which has a touch of the diabolical, raises up the demon who had been overthrown by the angel. Certainly, it is an art that exaggerates, and yet the definition would be very far from complete were exaggeration alone alleged to be its aim and object, for
