nthracite Black B, and 5 lb.
acetate of ammonia. After half an hour's boiling, add 5 lb. bisulphate
of soda, work half an hour longer, add 3 lb. fluoride of chrome, and
work together another half hour; then lift, wash and dry.

_Brown_.--A very fine shade can be dyed in the following way: First
give a medium indigo bottom in the vat, then mordant in a bath
containing 3 lb. bichromate of potash and 2-1/2 lb. tartar, and
finally dye in a bath made from 1-1/2 lb. Alizarine Orange R, 4 lb.
Diamond Flavine, and 2 lb. acetic acid.

_Dark Seal_.--Give a medium indigo bottom in the vat, and Mordant with
3 lb. bichromate of potash and 2-1/2 lb. tartar, and finally dye in a
bath containing 3-1/2 lb. Alizarine Orange R, 1 lb. Anthracene
Brown R, 2 lb. Diamond Flavine, and 2 lb. acetic acid.

_Brown_.--A full shade is dyed by first mordanting with 3 lb. (p. 164)
bichromate of potash and 2 lb. tartar, and then dyeing with 10 lb.
Anthracene Brown W, and 1 lb. Mordant Yellow.

_Buff_.--Mordant as in the last, and dye with 5 lb. Anthracene
Brown W, and 1/4 lb. Mordant Yellow O.

_Nut_.--Mordant with 3 lb. bichromate of potash and 1 lb. oxalic acid,
and dye with 20 lb. Diamond Brown.

_Pale Old Gold Brown_.--Mordant as in the last, and dye with 5 lb.
Diamond Brown.

_Dark Violet Brown_.--Mordant as in the last recipes, and dye with
30 lb. Chrome Brown R.

_Bright Chestnut_.--Mordant with 3 lb. bichromate of potash and 1 lb.
sulphuric acid, and dye with 30 lb. Gambine R.

_Pale Chestnut_.--Mordant as in the last recipes, and dye with 20 lb.
Gambine Y.

_Olive Brown_.--Mordant as in the last recipes, and dye with 10 lb.
Gambine B. The browns dyed with Gambine have the merit of being fast
to milling and light.

_Dark Brown_.--Mordant with 3 lb. bichromate of potash and 2-1/2 lb.
tartar; then dye with 15 lb. Alizarine Brown.

_Bright Buff_.--Mordant as in the last recipe; then dye with 4-3/4 lb.
Alizarine Brown, 4 lb. Alizarine Yellow, 1-3/4 oz. Alizarine Blue
D N W, and 2 lb. acetic acid.

_Dark Violet Brown_.--Mordant with 3 lb. bichromate of potash and
2-1/2 lb. tartar. Then dye with 18 lb. Alizarine Brown, 6 lb.
Alizarine Orange H, and 2 lb. acetic acid.

_Dark Walnut_.--Mordant with 3 lb. bichromate of potash and 1 lb.
sulphuric acid; then dye with 8 lb. Alizarine Brown, 2 lb. Alizarine
Red 3 W S, and 2 lb. Alizarine Yellow G G W.

MODE COLOURS ON WOOL.

Under the general designation of "mode colours" are i