of sound art (as far as relates to imitation) consists.
Farther, as Sir Joshua is inclined to merge the details of individual objects in general effect, so he is resolved to reduce all beauty or grandeur in natural objects to a central form or abstract idea of a certain class, so as to exclude all peculiarities or deviations from this ideal standard as unfit subjects for the artist's pencil, and as polluting his canvas with deformity. As the former principle went to destroy all exactness and solidity in particular things, this goes to confound all variety, distinctness, and characteristic force in the broader scale of nature. There is a principle of conformity in nature or of something in common between a number of individuals of the same class, but there is also a principle of contrast, of discrimination and identity, which is equally essential in the system of the universe and in the structure of our ideas both of art and nature. Sir Joshua would hardly neutralise the tints of the rainbow to produce a dingy grey, as a medium or central colour; why, then, should he neutralise all features, forms, etc., to produce an insipid monotony? He does not indeed consider his theory of beauty as applicable to colour, which he well understood, but insists upon and literally enforces it
