Painting between Giotto and Masaccio existed in vain—on the contrary, considerable progress was made in the direction of landscape, perspective and facial expression is true that, excepting the works masterpiece produced.

He scarcely knew where the difference lay, but felt that light and atmosphere play an entirely different part in each, and that in landscape these have at least as much importance as tactile values. A vision of plein air, vague I must grant, seems to have hovered before him, and, feeling his powerlessness to cope with it in full effects of light such as he attempted in his earlier pictures, he deliberately chose the twilight hour, when, in Tuscany, on fine days, the trees stand out almost black against a sky of light opalescent grey