DIA.} Ob 
reached by its impulse, but general injary, or 
local disorder willensue. As for example, when 
cold water is drank largely, by a person over- 
heated, in which case the powers of life are sub- 
dued, and death or infinite injury will result. 
Among the first means of exciting the skin may 
be ranked exercise in all its various kinds; unu- 
sual bodily labour, the flesh-brush, or other fric- 
tions; flagellation, stimulating lotions applied, 
cold affusion, the warm and cold bath, new flan- 
nel. increase! quantity of clothing. external heat. 
All these will be affected in the promptness and 
extent of their action, by the state of the atmos- 
phere, in reference to its aridity or humidity. 
Among the second means may be ranked, the 
carbonate of ammonia, guiacum, and the like ; al- 
cohol, and all the different wines and malt liquors, 
together with other fermented beverages contain- 
ing spirit, as cider, &c. 
Among the third means may be placed, all the 
saline diaphoretics and mercurial preparations, 
sulphur, some of the balsams, nauseating doses 
of the emetic medicines, especially ipecacuanha— 
and the antimonial salts preparations and phar- 
maceutical compounds, &c. It is questionable 
whether the subjects of these Jast two sections are 
much influenced by atmospheric influence. Cer- 
tainly they do not obey its power, in any thing like 
the same degree as do the means ranged under the 
first section. ‘They, however, require the obser- 
vance of certain cautions and rules, when admin- 
istered with a medical view. The main features 
of these, are derived from a knowledge of the fact, 
that a very elevated state of the skin, (when it is 
102 or 108 degrees of Far.) an energetic sanguif- 
erous excitement, indicated by a full, hard, and — 
bounding pulse, a purging state of the bowels, 
