Blues are laid on in very thin coatings, particularly blue green.

Ordinary oil medium.

The first painting is but little loaded, and is shaded with the same tint in a second coating, added to grey in the last firing for the darkest parts.

Here are some notes on the concordance of enamel colors with oil colors and their usual names.

Sky Blue—sky blue.

Light Blue—light sky blue.

Blue Verditer—two-thirds ultramarine blue; one-third deep blue green. Slight oiling.

Barbeau Blue, or Smalt—Victoria blue.

Marine Blue (in oils)—half Victoria blue, half carmine No. 2.

Cobalt—deep ultramarine.