The line of a profile is often one of great beauty, only here the variety is apt to overbalance the unity or run of the line. The most beautiful profiles are usually those in which variety is subordinated to the unity of the contour. I fancy the Greeks felt this when they did away with the hollow above the nose, making the line of the forehead run, with but little interruption, to the tip of the nose. The unity of line is increased, and the variety made more interesting. The idea that this was the common Greek type is, I should imagine, untrue, for their portrait statues do not show it. It does occur in nature at rare intervals, and in most Western nationalities, but I do not think there is much evidence of its ever having been a common type anywhere.
Diagram VIII.
ILLUSTRATING VARIETY IN SYMMETRY
Note how the hollows marked A are opposed by fullnesses marked B.
In drawing or painting a profile this run or unity of the line is the thing to feel, if you would express its particular beauty. This is best done in the case of a painting by finally drawing it with the brush from the background side, after having painted all the variety there is of tone and colour on the face side of the line. As the background usually varies little, the swing of the brush is not hampered on this side as it is on the other. I have seen students worried to distraction trying to paint the profile line from the face side, fearing to lose the drawing by going over the edge. With the edge blurred out from the face side, it is easy to come with a brush full of the colour the background is immediately against the face (a different colour usually from what it is further away), and draw it with some decision and conviction, care being taken to note all the variations on the edge, where the sharpnesses come and where the edge is more lost, &c.
Variety in Symmetry.
The contours of the limbs illustrate another form of line variety—what may be called "Variety in Symmetry." While roughly speaking the limbs are symmetrical, each side not only has variety in itself, but there is usually variety of opposition. Supposing there is a convex curve on the one side, you will often have a concave form on the other. Always look out for this in drawing limbs, and it will often improve a poorly drawn part if more of this variation on symmetry is discovered.
The whole body, you may say, is symmetrical, but even here natural conditions make for variety. The body is seldom, except in soldiering, held in a symmetrical position. The slightest action produces the variety we are speaking about. The accompanying sketches will indicate what is meant.