internally_, combined with aloes or rhubarb, in obstructions of the
bowels, and is an excellent saline purgative in dyspepsia and
jaundice.

_Dose_, from ten grains to one drachm.

749. Venice Turpentine

Venice Turpentine is cathartic, diuretic, stimulant, and anthelmintic.

It is _used externally_ as a rubefacient, and is given _internally_ in
flatulent colic, in tapeworm, rheumatism, and other diseases.

_Dose_, as a _diuretic_, from ten grains to one drachm; as a
_cathartic_, from ten to twelve drachms; as an _anthelmintic_, from
one to two ounces every eight hours, till the worm be ejected.

750. Diuretics.

Diuretics are medicines which promote an increased secretion of urine.
They consist of nitre, acetate of potassa, squills, juniper, oil of
turpentine, and others, vegetable and mineral.

751. Nitre

Nitre is a diuretic and refrigerant.

It is _used externally_ as a detergent when dissolved in water, and as
a lotion to inflamed and painful rheumatic joints.

It is given _internally_ in doses of from ten grains to half a drachm,
or even one drachm; in spitting blood it is given in one drachm doses
with great benefit. It is beneficial in sore throat, a few grains
being allowed to dissolve in the mouth.

752. Acetate of Potassa

Acetate of Potassa is diuretic and cathartic.

It is given _internally_ as a diuretic, in combination with infusion
of quassia; in dropsy, in doses of from one scruple to one drachm,
every three or four hours.

_Dose_, as a _cathartic_, from two to three drachms.

753. Squills

Squills is diuretic and expectorant when given in small doses; and
emetic and purgative when given in large doses.

It is _used internally_ in dropsy, in combination with calomel and
opium; in asthma, with ammoniacum; in catarrh, in the form of oxymel.

_Dose_, of the _dried bulb powdered_, from one to two grains every six
hours; of the _compound pill_, from ten to fifteen grains; of the
_tincture_, from ten minims to half a drachm; of the _oxymel_, from a
half to two drachms; of the _vinegar_, from twenty minims to two
drachms.

[TO-MORROW, LEAVES HIS TITLE FOR A GRAVE.]

754. Juniper

Juniper is diuretic and stomachic.

It is given _internally_ in dropsy.

_Dose_, of the _infusion_, from two to three ounces every four hours,
of the _oil_, from one to five minims.