AX1s-ACY 
Mzpica, Prorentixs ann Uses. re simiulid “ik ex- 
t, as all the balsams and balsamic ‘products 
are. _ Itis chiefly used as an ingredient in the com- 
position of other medicines, particularly common Pa- 
regoric, which is never agreeable without it, though 
it is sometimes left out. As benzoic acid is in some 
_ degree pectoral, it is not improbable that it has its 
share in the peculiar and agreeable effect of that mix- _ 
ture, in catarrhal diseases. It also enters into the 
Tinctura Opit- Ammoniata. E. ; 
Nov 47.—Acipum Murraticum. L. E. D. Phar. 
U.S. Muriatic acid.. 
Synonyres, 2 Stee spe eid, (Rahat 2 . 
a specimen, Jeff. Coll. No. 18. 
Qvarities. A straw-yellow liquid, of pungent odour, 
and intensely sour, caustic taste ; emits white, suffo- _ 
cating fumes when exposed to the air, and corrodes _ 
animal and vegetable substances; forms muriates, — 
with alkalies, earths, and metallic oxides. Thetiquid — 
acid in use is a solution of muriatic acid gas in water. 
When of specific gravity 1.16, according to Davy, it 
contains 32.32 per Sent of the gas, which isacom- 
pound of chlorine (oxy-muriatic gas) and hydrogen, — 
in equal volumes. 
Mepicat Prorertizs ann Uses. Tonic and antiseptic; 
used in typhous fevers* and cutaneous eruptions—in 
: for ulcerated sore throat, and scarlatina _ 
if Sikioey tighly diluted, as an injection for : 
- rhea; was supposed a cure for itic affections— 
Pearson has opposed this notion : he says, by its sa- 
lutary effects on the stomach and general health, **i 
is a medicine capable of ameliorating the appearance 
of venereal ulcers, and of restraining fore ie | the 
progress of the disease, where it is desirable to gain 
a little time, previously to the entering on a mercurial 
course,” Dr. Paris says, that during several years’ 
extensive practice in the Westminster Hospital, he 
uniformly exhibited it with success, in the most ma- _ 
lignant cases of typhus and scarlatina. He says also, — 
that after & copious we he fants, : 
__ * Professor Reich was rewarded by the King of Peussis with a 
pension, for his assumed ‘ineoreey. ot Fhe ry te ae 
camp fevers. 
VOL, Il. Cc 
