AST. | 46 
dens’ notions concerning the use of asiringents in 
hemorrhages, tainted with this idea ; the theory at 
‘variance with effects of sugar of lead, &c. in ar- 
resting pulmonary and uterine hemorrhages, and 
hence leads to injudicious practice. Madder — 
unites an astringent with a colouring matter, the — 
latter has been proved to be carried into the cir — 
culation ; it is no violent supposition, that the as- 
tvingency of this or any other article, may in 
ike manner, be taken up by the lacteals, though | 
in small quantities. The beneficial effects of as- — 
tringents on the body, cannot be explained by the — 
idea of their astringency being taken through the 
course of the circulation, because one or two — 
grains of quinine will avert the approach of an 
expected paroxysms of intermittent within a short 
time after its exhibition, and two or three grains 0 
sugar of lead, will command an excessive uterine 
hemorrhage, in half an hour after it has been 
given. The time and quantity in both instant 
too inconsiderable to suppose their agency to 
the track of the circulation. They opera 
ferently. ‘They act probably by impressions 
on the stomach and intestines primarily, and 
are conveyed by some of the operative 
of the living system, quickly to the solids 
Hunter and Darwin’s recently purloined doctrin 
of sympathy a very convenient rationale, thoug 
near half acentury old. — sy 
Woodhouse’s, Seguin’s, and Dr. Jolin M. ' 
er’s (Vir.) experiments relative to the astr 
principle, noticed:— 2 ays 
For the opinion of the first, see his edition 
Chaptall’s Chemistry. Cultivation deprives 
plants of a part of their astringent principle. Ac 
cording to Hatchet, a factitious astringency may be 
woduced by treating various vegetables with 
