one and a half hours, then lift, wash and dry.

_Olive Yellow_.--Mordant, 3 lb. bichromate of potash and 2 lb. tartar;
dye, 3 lb. extract of fustic.

_Deep Lemon_.--Mordant, 3 lb. bichromate of potash and 2 lb. tartar;
dye, 1 lb. Alizarine Yellow G G W.

_Golden Yellow_.--Mordant, 3 lb. bichromate of potash and 1 lb. (p. 126)
sulphuric acid; dye, 10 lb. Alizarine Yellow G G W.

_Light Straw_.--Make the dye-bath with 3 oz. Anthracene Yellow B N,
5 lb. acetate of ammonia, and 3 lb. bisulphate of soda; work at the
boil to shade, then lift, wash and dry.

_Old Gold_.--A very fine shade of old gold is obtained by dyeing in a
bath of 3 lb. Anthracene Yellow C, 5 lb. acetate of ammonia, and 3 lb.
bisulphate of soda. Work at the boil for three-quarters of an hour,
then lift; add to the dye-bath 3 lb. fluoride of chrome, re-enter the
wool, and work for one and a half hours longer at the boil; lift, wash
and dry.

_Deep Yellow_.--Mordant, 3 lb. bichromate of potash and 2-1/2 lb.
tartar; dye, 2 lb. Mordant Yellow D.

_Pale Olive Yellow_.--Dye with 3 lb. Anthracene Yellow G G, 10 lb.
Glauber's salt, and 2 lb. acetic acid; after the dye-bath is exhausted
of colour add 3 lb. fluoride of chrome, and work at the boil half an
hour longer.

_Gold Yellow_.--Dye with 3 lb. Anthracene Yellow B N, 10 lb. Glauber's
salt, and 3 lb. acetic acid; after half an hour's boil, add 1-1/2 lb.
bichromate of potash, work for half an hour longer.

_Gold Yellow_.--Dye with 2 lb. Indian Yellow R, 10 lb. Glauber's salt,
and 2 lb. sulphuric acid.

GREEN SHADES ON WOOL.

Of green shades there is an infinite variety, and these can be dyed in
several ways. Either a simple green dye-stuff may be used or mixtures
of blue and yellow dye-stuffs may be employed, this latter method
being extremely common. It is somewhat interesting to notice that,
notwithstanding the great prevalence of green in Nature, the dyer has
at his command no natural green dye-stuff, but must, if he prefers to
adopt natural dye-stuffs, use a mixture of blue and yellow dye-stuffs
to produce green shades. There are but few green colouring (p. 127)
matters derived from coal tar: Gambine, Dinitroso-resorcine, Alizarine
Green, Brilliant Green, Malachite Green, Azo Green, Fast Green,
Naphthol Green, Acid Green, Diamine Green, Benzo Green almost exhaust
the list. Compared with the numerous red and blue dyes which are
obtained from coal-tar products, green dyes are conspicu