To judge of a master we must attend to his design, and this is to be acquired from his drawings, from his pictures, or, at least, from accurate engravings after them. A good connoisseur in prints is more than half way advanced in the art of judging pictures; and he who aims at this must study engravings with unremitting assiduity. It is thus his eye becomes familiarized to the artist's method of delineating and foreshortening the figure, to the air of his heads and the casting of his draperies; to that action, that peculiarity of conception, of disposing, and of contrasting, which are habitual to his character. Thus is he, as it were, introduced to the different families of youths, of children, of women, of old men, and of individuals in the vigour of life, which each artist has adopted as his own, and has usually exhibited in his pictures. We cannot be too well versed in such matters, so minute or almost insensible are the distinctions between the imitators of one master, (such as Michelangiolo, for example,) who have perhaps studied the same cartoon, or the same statues, and, as it were, learned to write after the same model. More originality is generally to be discovered in colouring, a branch of the art formed by a painter rather on his own judgment, than by instruction. The amateur can never attain experience in this branch who has not studied many pictures by the same master; who has not observed his selection of colours, his method of separating, of uniting, and of subduing them; what are his local tints, and what the general tone that harmonizes the colours he employs. This tint, however clear and silvery in Guido and his followers, bright and golden in Titiano and his school, and thus of the rest, has still as many modifications as there are masters in the art. The same remark extends to middle tints and to chiaroscuro, in which each artist employs a peculiar method.