The rendering of tactile values once recognised as the most important specifically artistic quality of Giotto’s work, and as his personal contribution to the art of painting, we are all the better fitted to appreciate his more obvious though less peculiar merits—merits, I must add, which would seem far less extraordinary if it were not for the high plane of reality on which Giotto keeps us. Now what is back of this power of raising us to a higher plane of reality but a genius for grasping and communicating real significance?