_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 included a great variety of tints or shades unusually described more specifically (p. 165) as drabs, buffs, greys, fawns, slates, etc. It is impossible here to do more than give a few recipes for their production. #With Direct Dyes.# _Drab_.--Make a dye-bath with 3 oz. Nyanza Black B, 1-1/2 oz. Chrysamine G, 2 oz. Congo orange R, and 20 lb. Glauber's salt, working at the boil for one hour; then lift, wash and dry. #With Acid Dyes.# _Bright Buff_.--Dye in a bath containing 3/4 oz. each Cyanole, Orange extra, and Indian Yellow R, 10 lb. Glauber's salt, and 2 lb. sulphuric acid. _Slate_.--Use a dye-bath containing 3 oz. Cyanole, 1/4 oz. Archil Substitute N, 1/2 oz. Orange extra, 10 lb. Glauber's salt, and 2 lb. sulphuric acid. _Silver Grey_.--Use 1-1/4 oz. Orange extra, 3/4 oz. Archil Substitute N, 10 lb. Glauber's salt and 2 lb. sulphuric acid. _Pale Drab_.--Make the dye-bath with 1/2 oz. Cyanine B, 3/4 oz. Azo Yellow, 1/4 oz. Chromotrop 2 R, 10 lb. Glauber's salt and 2 lb. sulphuric acid. _Grey_.--Make the dye-bath with 1 oz. Chromotrop 2 R, 1-1/4 oz. Cyanine B, 2-1/2 oz. Fast Acid Blue R, 2 oz. Azo Yellow, 10 lb. Glauber's salt and 5 lb. acetic acid. _Bright Fawn_.--The dye-bath is made with 2 oz. Chromotrop 2 R, 8 oz. Orange G, 2-1/4 oz. Fast Acid Blue R, 1-1/4 oz. Cyanine B, 10 lb. Glauber's salt and 5 lb. acetic acid. _Dark Buff_.--Use 2 oz. Cyanine B, 5 oz. Azo Yellow, 2-1/2 oz. Chromotrop 2 R, 10 lb. Glauber's salt and 2 lb. sulphuric acid. _Lilac Grey_.--Use 3 oz. each Fast Acid Violet 10 B, Fast Green bluish, and Fast Yellow, 10 lb. Glauber's salt and 2 lb. sulphuric acid. _Pale Fawn Drab_.--Use 1 oz. Patent Blue V, 1 oz. Rhodamine, 1-3/4 oz. Orange G, 10 lb. Glauber's salt and 2 lb. sulphuric acid. _Dark Grey_.--Use 1 lb. Wool Grey R, 10 lb. Glauber's salt and (p. 166) 2 lb. sulphuric acid. _Stone_.--Use 1 oz. Patent Blue J B, 1-3/4 oz. Orange G, 10 lb. Glauber's salt and 2 lb. sulphuric acid. _Pale Fawn Brown_.--Use 4 oz. Fast Acid Violet R, 2 oz. Patent Blue J O O, 3 oz. Orange G, 10 lb. Glauber's salt and 3 lb. sulphuric acid. _Drab_.--Use 3 oz. Azo Carmine, 1-1/2 oz. Fast Yellow, 1-1/4 oz. Indigo Carmine D, 10 lb. Glauber's salt and 2 lb. sulphuric acid. _Lilac_.--Use 1/2 lb. Azo carmine, 1/2 lb. Indigo Carmine D, 1-1/2 oz. Fast Yellow, 10 lb. Glauber's salt and 2 lb. sulphuric acid.