Siinent- savin have condemned the medicinal 
ous to the constitution. We have the testimony of D 
a professor in the university of Edinburgh, that he has seen 
ternal exhibition of arsenic attended with fatal effects, such ‘as he 
tics, &c. ; and he also declares that the external application of t 
substance has often produced dreadful consequences ; so that, far 
from recommending it iiternally, he reprobates even the external use 
of this precarious drug. Sp ss 
As an external remedy, arsenic has long been bs te ils boeie 
ae of iiiae of the celebrated cancer powders and plasters ; and it has 
frequently been resorted to in various forms with the view of, 
. tag the, sptolossblesiptas attepiamee erent abt ther | 
_ Arsenic has even been employed in substance, sprink 
 lndeete niet -but this method of using it is excessively pain- 
_ fal, and extremely dangerous. There have been fatal > Sy ti pro- 
a meced from its absorption. 4 
Borax. Sub Borate of Soda. ee : 
..The salt, consisting of boracic acid, united with soda, i is brou 
foun Thibet, where itis found in its native s 3 pu 
_ Europe by crystallization ; its.1 taste is pee 
fee: ght of cold and sixof hot water. ‘ 
3: 4;The medicinal virtues of borax have not been sufficiently 
tained by experience: in doses of half a drachm or two scruples, it 
_ is supposed to be diuretic, emmenagogue, anda 
ing cankerous crusts, or the thru fc l- 
dren; or it may be applied for the same purpose in the form ns il 
der mixed with sugar. It is one of the most useful applications to © 
sore nipples, or chapped lips and hands in winter ; for these pur- 
poses a few grains of borax may be dissolved in warm bapa 
the addition ofa Lagle: ue Boney: ne 
ont 
. 
Buve Vrrrion. Sulphate of caret cesta 
_ This article is made by stratify ing plates of copper with the sul- 
phur ; and on slow combustion the sulphuric acid corrodes the cop- 
per; the metal is then boiled in water, till the saline particles be dis- — 
solved ; when after repeated solution and subsequent cvepaaey 
whole is reduced to the crystalline point. : 
“The sulphate of copper has a strong styptic, metallic taste, and i is 
chiefly used externally as an pn FE 3 for destroying warts, callous — 
and fungous excrescences, as a stimulant application to Hl 
conditioned ulcers, and as a styptic to bleeding surfaces. Takeo 
ally, it operates, in very small doses as a very powerful emetic. 
has; however, been exhibited in incipient consumption, intermit- 
tent fever and eplepe ; but its use is not free from sang 
