156 THE NEW ZEALAND FAMILY HERB DOCTOR. 
and sublimed into large earthen or leaden receivers. There 
are a great many preparations of ammonia, of which the 
following are a few:—Bromide of ammonia, in conjunction 
with nervines, good for neuralgia; the chloride, sulphate, 
and several others. Dangerous in over-doses. Carb. 34d, 
bromide 9d per ounce. 
Nitrite oF Amyz.—a liquid produced by the action 
of nitric acid on amylic alcohol. Care should be taken not to 
confound it with nitrate of amyl. The nitrate is not taken as 
amedicine. The nitrite is sometimes given in asthma with 
good effect. Dose 1 to four drops. Dangerous. 2s. 6d. per oz. 
Antimony.—All the different preparations of antimony 
are prepared from the native sulphide, of which the following 
are a few of the principal:—Oxide, dose 1 to 4 grains. Anti- 
mony and potassium (tartar emetic), dose diaphoretic and 
expectorant 1-16th to 1-6th grain; as an emetic 4 to 2 grains. 
Very dangerous. 1s. per ounce. 
Arrou.—The active principle of parsley, Properties, 
diuretic; dose 3 to 8 drops. Use very carefully. 2s 6d per oz. 
Arnica (tincture of) is very seldom given internally, being 
principally used diluted with water for sprains and bruises. 
Dangerous. 9d per oz. 
_Arropra.—The active principle of belladonna. Atropia 
may be given internally for all the purposes for which bella- 
donna is given, and it is largely used as a local remedy for 
application to the eye. Dose 1-120th to 1-50th part of a 
grain. Very dangerous. Poison. Id. per gr. 
Aurum CutoripE (chloride of ‘gold). Dose 1-30th to 
1-15th gr. Very dangerous. 3d. per grain. 
Barium is a metal first obtained by Sir H. Davy. The 
compounds of barium are the chloride and the carbonate. 
The only pharmaceutical use of the carbonate is to prepare 
the chlorides. Very poisonous. 1s. per oz. 
