of soda, then add two drachms of powdered calumba root.

_Dose_, from ten to twenty grains as a tonic after fevers, in all
cases of debility, and dyspepsia attended with acidity.

571. Rhubarb and Magnesia.

Mix one drachm of powdered rhubarb with two drachms of carbonate of
magnesia, and half a drachm of ginger.

_Dose_, from fifteen grains to one drachm. Use as a purgative for
children.

572. Sulphur and Potash.

Mix one drachm of sulphur with four scruples of bicarbonate of potash,
and two scruples of nitre.

_Dose_, from half a drachm to one drachm. Use as a purgative,
diuretic, and refrigerant.

573. Anti-Diarrhoeal.

Mix one grain of powdered ipecacuanha, and one grain of powdered
opium, with the same quantity of camphor.

_Dose_, one of these powders to be given in jam, treacle, &c., once or
twice a day; but to adults only.

574. Antispasmodic.

Mix four grains of subnitrate of bismuth, forty-eight grains of
carbonate of magnesia, and the same quantity of white sugar, and then
divide in four equal parts.

_Dose_, one-fourth part. Use in obstinate pain in the stomach with
cramps, unattended by inflammation.

575. Antipertussal, or against Whooping-Cough.

Mix one drachm of powdered belladonna root, and two ounces of white
sugar, together.

_Dose_, six grains morning and evening for children under one year;
nine grains for those under two and three years of age; fifteen grains
for those between five and ten; and thirty grains for adults.

_Caution_, this should be prepared by a chemist, as the belladonna is
a poison, and occasional doses of castor oil should be given while it
is being taken.

576. Purgative (Common).

Mix ten grains of calomel, with one drachm of powdered jalap, and
twenty grains of sugar.

_Dose_, one-half of the whole for adults.

577. Sudorific.

Mix six grains of compound antimonial powder, two grains of
ipecacuanha, and two grains of sugar together.

_Dose_, as mixed, to be taken at bed-time. Use in catarrh and fever.

578. Miscellaneous.

579. Anthelmintic, or Vermifuge.

For ridding the bowels of tape-worms, an excellent medicine exists in
the male fern--_Aspidium felix mas_. A decoction may be made of the
fresh roots, or the root may be dried and powdered.

_Dose_, of the powdered root, from ten to thirty grains; of the
decoction, from a tablespoonful to a wineglassf