ies used for the expulsion of worms from the
stomach and intestines. These may act chemically or by their cathartic
operation. The most reliable are AEthiops mineral, nux vomica,
preparations of mercury, wormwood, etc.

ANTHELMINTIC POWDERS.--Nux vomica, in one half-drachm doses, two or
three times daily, to an ox or cow; for calves, the dose must be
diminished, according to age.

ANTIDOTES.--Medicines which neutralize the effects of poisons by a
chemical union, forming an insoluble compound, or a mild, harmless one.
Alkaline solutions are antidotes for the mineral acids; as soap in
solution, a simple remedy, and always at hand. Lard, magnesia, and oil
are antidotes for poisoning by arsenic; albumen,--in the form of the
white of an egg,--milk, etc., for corrosive sublimate, and other
mercurial preparations.

ANTISEPTICS.--Medicines which prevent putridity in animal substances,
and arrest putrefaction, when already existing. These are used both
externally and internally. The chief specifics of this class are the
acids, alcohol, ammonia, asafoetida, camphor, charcoal, chloride of
lime, cinchona, ether, and opium.

ANTISPASMODICS.--Medicines which exert their power in allaying
inordinate motions or spasms in the system, arising from various causes,
such as debility, worms, etc. Those most generally in use are ammonia,
asafoetida, camphor, cinchona, ether, lactacarium, mercury, and opium.

ANTISPASMODIC DRAUGHT.--Tincture of opium, one ounce; nitric ether, two
ounces; water, one-half pint. Mix for drench; if repeated, it should be
followed by a purgative, as soon as the spasms have subsided. Or, use
the following: sulphuric ether, one to two ounces; water, one-half pint
Mix for drench; repeat every hour, if necessary.

AROMATICS.--Medicines possessing a grateful, spicy scent, and an
agreeable, pungent taste; as anise-seed, cardamoms, cinnamon, cloves,
ginger, etc. They are principally used in combination with purgatives,
stomachics, and tonics.

ASTRINGENTS.--Medicines which serve to diminish excessive discharges, as
in diabetes, diarrhoea, etc. The principal agents of this class are
the acids, alum, chalk, lime-water, opium, and the sulphate of copper,
lead, iron, or zinc.

ASTRINGENT POWDER.--Opium, one drachm; prepared chalk, half an ounce;
Jamaica ginger, six drachms. Mix, and divide into four powders; one to
be given every hour, in a little flour gruel. Or, the following: opium,
one drachm; catechu, two drach