bedtime.

ii. For persons requiring a more powerful aperient, the same
formula, with twenty grains of compound extract of colocynth, will
form a good purgative pill. The mass receiving this addition must be
divided into thirty, instead of twenty-four pills.

655. Black Draught.

The common aperient medicine known as black draught is made in the
following manner:

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.

i. Take of Epsom salts one ounce, diluted sulphuric acid one drachm,
infusion of quassia chips half an _imperial_ pint, compound tincture
of rhubarb two drachms. _Dose_, half a wineglassful twice a day.

657. Infants' Aperient.

The following may be used with safety for young children.

i. Take of rhubarb five grains, magnesia three grains, white sugar a
scruple, grey powder five grains; mix. _Dose_, for an infant from
twelve to eighteen months of age, from one-third to one-half of the
whole.

ii. A useful laxative for children is composed of calomel five
grains, and sugar a scruple, made into five powders. _Dose_, half of
one of these for a child from birth to one year, and a whole one
from that age to three years.

658. Flour of Brimstone

is a mild aperient in doses of about a quarter of an ounce; it is best
taken in milk. Flour of brimstone, which is also called sublimed
sulphur, is generally put up in ounce packets at 7d.; its wholesale
price is 4d. per pound.

[A SPARK MAY RAISE AN AWFUL BLAZE.]

659. Medicines.

Preparations of them.--The following directions are of the utmost
value in connection with the DOMESTIC PHARMACOPOEIA, DISEASES,
PRESCRIPTIONS, and POISONS.

_They will