i. Take of senna leaves six drachms, bruised ginger half a drachm,

sliced liquorice root four drachms, Epsom salts two and a half ounces, boiling water half an imperial pint. Keep this standing on the hob or near the fire for three hours, then strain, and after allowing it to grow cool, add of sal volatile one drachm and a half, of tincture of senna, and of tincture of cardamoms, each half an ounce. This mixture will keep a long time in a cool place. _Dose_, a wineglassful for an adult; and two tablespoonfuls for young persons about fifteen years of age. It is not a suitable medicine for children.

656. Tonic Aperient.

The following will be found a useful medicine for persons of all ages.