Another.--Constant white and Indian ink, and a little vermilion. Another.--White, with a little lake and blue verditer, make a good cloud colour for that part next the horizon. Crimson.--Lake and white, with a little vermilion, shaded with lake and carmine. Flame Colour.--Vermilion and orpiment, heightened with white. Another.--Gamboge, shaded with minium and red lead. Flesh Colour.--Ceruse, red lead, and lake, for a swarthy complexion, and yellow ochre. Another.--Constant white and a little carmine, shaded with Spanish liquorice washed with carmine. French Green.--Light pink and Dutch bice, shaded with green pink. Glass Grey.--Ceruse, with a little blue of any kind. Hair Colour.--Masticot, ochre, umber, ceruse, and cherry-stone black. Lead Colour.--Indigo and white. Light Blue.--Blue bice, heightened with flake white. Another.--Blue verditer, and white of any sort, well ground. Light Green.--Pink, smalt, and white. Another.--Blue verditer and gamboge. Another.--Gamboge and verdigris. This is chiefly used for the ground colours of trees, fields, &c. Lion Tawney.--Red lead and masticot, shaded with umber. Murrey.--Lake and white lead. Orange.--Red lead and a little masticot, shaded with umber. Orange Tawney.--Lake, light pink, a little masticot, shaded with gall-stone and lake. Pearl Colour.--Carmine, a little white, shaded with lake. Popinjay Green.--Green and masticot; or pink and a little indigo, shaded with indigo. Purple.--Indigo, Spanish brown, and white; or blue bice, red and white lead; or blue bice and lake. Russet.--Cherry-stone black and white. Scarlet.--Red lead and lake, with or without vermilion. Sea Green.--Bice, pink and white, shaded with pink. Sky Colour.--Light masticot and white, for the lowest and lightest parts; second, red ink and white; third, blue bice and white; fourth, blue bice alone. These are all to be softened into one another at the edges, so as not to appear harsh. Sky Colour for Drapery.--Blue bice and ceruse, or ultramarine and white, shaded with indigo. Straw Colour.--Masticot and a very little lake, shaded with Dutch pink. Yellow Colour.--Indigo, white, and lake; or fine Dutch bice and lake, shaded with Indigo; or litmus smalt and bice, the latter predominant. Water.--Blue and white, shaded with blue, and heightened with white. To prevent Colours from Cracking.--Boil 2 ozs. of the best and clearest glue, with 1 pint of clear water, and a 1/2 oz. of alum, till dissolved. With this temper those colours intended for the sky. To make a Solution of Gum.--Dissolve 1 oz. of white gum arabic, and a 1/2 oz. of double refined sugar, in a quart of spring water; strain it through a piece of muslin, and bottle it to keep it free from dust. To keep Flies from the Work.--Having prepared the gum water for the colours, add a little coloquintida.