Cuyp treated figures, animals, and boats in this way. The points requiring attention and care are, first, the tone of the sky and yellow lights, which must be obtained from yellow and Roman ochres; the sky should have a creamy quality of colour; and what little grey is introduced, must be Cobalt Blue, or Ultramarine with Carmine, or Lake, so as to prevent the slightest appearance of green; secondly, the masses of shadow must be of agreeable shape and must not be too dark. Plate.
BOTH'S PRINCIPLE
CHAPTER II.
SECTION II.
BOTH'S PRINCIPLE.
The style of Both is only a slight variation from that of Cuyp. He adopted a different character of subject, usually contriving to relieve a mass of rock or bank, and a tree with delicate foliage against the sky; and he increased the warmth of the general aspect of the picture, by making the tree and part of another light bank, of the rich brown afforded by burnt Terra de Sienna, and by introducing some red clouds in the sky. In some instances Both has not escaped the dangers that present the difficulty to his followers; the tone of these pictures appears hot, and thereby a vulgarity is occasioned, and that refinement which is required by Taste in the Fine Arts, is destroyed. Plate.
RUYSDAEL'S AND HOBBIMA'S PRINCIPLE