LANDSCAPE PAINTING
we shall understand where these limitations begin. As the system gives its best results in the translation of brilliant sunlight, so, as the light decreases its value decreases, until in a low-toned moonlight it may become positively detrimental. It can easily be seen that in this subdued light the sibilant vibration of powerful color-tones would be fatally out of place and their use detract seriously from the brooding sense of mystery which gives to night its most poignant charm.
We must not forget, moreover, that another weakness inherent to the system lies in the physical impossibility of securing with pigments and brushes any approximation to the infinitely fine and delicate color vibration of nature—where no spot or dash or stroke of pure color is anywhere visible; and that our best efforts in this direction are there-
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