farther ones, and the bars that link the three. If you are in doubt about the angle of the bars hold your pencil at arm's length and then you will note their direction. If you desire to check the perspective, lay your book on the ground and seek for a long piece of slender grass. Hold one end of the grass on the right of your drawing and above the top bar—
for that is the height of the eye in this little sketch (Fig. 68). The palings are curved and bent, and overhang the rock. The rock is a thick crumbling substance, its rounded edge projects, and its flat surface is slightly cleft and cast into shadow.
Always draw the largest and most important parts first, such as the fence, and the rock, then add the grass tufting the summit, and the bramble swinging down into space. An oak-tree stands close by. Its roots have become welded into crevices of the rock, and it rears a twisted and graceful trunk bending slightly backward in its efforts to reach the sun. The rock and tree have characteristics in common. Sketch the mass of the projecting boulder, then the root of the tree,
