... shades, by being brought into other oppositions. This difference in chiaroscuro is a more important character in water-painting than mere difference in form. 145. When you are drawing shallow ... leaving the lines wide apart as by trying to draw them excessively fine, lightly and swiftly; being very cautious in filling in; and, at last, passing the penknife over the whole. By keeping ... over your pencil outline with ink, raising your pen point as seldom as possible, and never leaning more heavily on one part of the line than on another. In most outline drawings of the present...