Melanogène.

I. (In Dark Bottle.)

Silver nitrate150 grains.
Distilled water2¾ oz.
Ammonia water1 oz.

II. (In White Bottle.)

Pyrogallic acid15 grains.
Alcohol of 40%1 pint.

Tannin Hair Dye.

I. (In White Bottle.)

Powdered nut-galls14 oz.
Water1 pint.
Rose water1 pint.

Boil the nut-galls in the water, strain the boiling liquid through a thick cloth into the rose water, and fill the still hot mixture into bottles which must be immediately closed. (It is essential that the liquid be hot during the filling, to guard against the development of mould.)

II. (In Dark Bottle.)

Silver nitrate5½ oz.
Distilled water1 qt.

Add ammonia water to the silver solution until the precipitate first formed is again dissolved.

Eau d’Afrique.

I. (In Dark Bottle.)

Silver nitrate45 grains.
Distilled water3½ oz.

II. (In White Bottle.)

Sulphide of sodium120 grains.
Distilled water3½ oz.