For such knowledge, full, clear and accurate as it should be, we must refer to long and learned treatises; and to the inspection of many actual examples; since to understand clearly what is meant by illumination, one should not only read much, but study the work itself at every stage of its career. To look into this matter thoroughly, reference should be made to books upon illumination. Among the best of these books are “The Art of Illumination,” by Wyatt, and “Noel Humphrey’s Work.” However, a few directions may be given here. To begin with the materials.

MATERIALS.

A careful inspection of the list of water colors manufactured at the present day, leads to the conclusion that the following colors may be used, though some of them are similar to others in tint, &c., or can for other reasons be superseded. These latter are marked in italics:

YELLOWS.

Cadmium Yellow.
Gamboge.
Lemon Yellow.
Mars Yellow.
Naples Yellow.
Raw Sienna.
Yellow Ochre.

REDS.

Brown Madder.
Carmine.
Crimson Lake.
Indian Red.
Orange Vermilion.
Light Red.
Scarlet Vermilion.
Rose Madder.
Rubens’ Madder.
Vermilion.

BLUES.