Black

1. Lay the articles for several boon in a strong solutio of nitrate of silver, and expose to the light. 2. Boil the article for some time in a strained decoction of logwood, and then steep it in a solution of per-sulphate or acetate of Iron. 3. Immerse frequently in ink until of sufficient depth of color.

Blue

1. Immerse for some time in a dilute solution of sulphate of indigo, partly saturated with potash, and it will be fully stained. 2. Steep in a strong solution of sulphate of copper.

Green

1. Dip blue stained articles for a short time in nitro-hydroc.hlorate of tin, and then in a hot decoction of fustic. 2. Boil in a solution of verdigris in vinegar until the desired color is obtained.

Red

1. Dip the articles first in a tin mordant, used in dyeing, and then pinnae into a hot decoction of Brazil wood - half a pound to a gallon of water - or cochineal. 2. Steep in red ink till sufficiently stained.

Scarlet

Use lac-dye instead of the preceding.

Violet

Dip in the tin mordant, and then immerse in a decoction of logwood.

Yellow

Boil the articles in a solution of alum, 1 lb. to ½ a gallon, then immerse for half an hour in the following mixture: Take a ½ lb. of turmeric, and a ¼ lb. of pearlash; boil in 1 gal. water: when taken from this, the bone must be again dipped in the alum solution.