55 [car.. 
to their application. Effect of aloes and castor 
oil applied to the belly of children and adults, 
noticed. Hellebore said always to purge, if ap- 
plied to an issue. Query. Is the quantity of a 
cathartic thus absorbed, granting that it is ab- 
sorbed, sufficient to purge? C. P. Berger gives 
an instance of a man purged by smelling a medi- 
* 
cine. Ibave known an officer puked by mention- 
ing ipecacuanha, to which he had an aversion; 
both accounted for by association. Persons under 
the operation of cathartics are readily injured by 
cold and exercise ; reas hy. 2 Dr. 
lays much stress on this fact. ‘haps in the 
treatment of certain fevers, where cool air is an 
important remedy in itself, an equal degree of in- 
jury cannot be apprehended from exposure to its 
influence during the operation of cathartics. Ef- 
fect of cold affusions, in evacuating the bowels, 
as in colica pictonum, and other affections with tor- 
_ pid action of the intestines. * 
The nitro-muriatic bath to the legs, purges. 
Walking barefoot on a cold pavement or marble, 
and enemata of cold water, have removed consti- 
pation. Some persons fromidiosyncracy particu- 
larly liable to be purged by getting wet feet. Dif- 
ferent constitutienal susceptibilities of intestinal 
action, require very diverse deses of cathartics. 
Many females are readily purged by one er two | 
grains of assafetida, and powerfully by a small 
quantity of molasses, or rye mush, or an egg, or 
shell-fish, as lobster and crabs; others again are 
scarcely assailable in this effect, by the most 
drastic medicines. Seamen and persons at sea re- 
quire larger doses of the same medicines than other 
persons. Pregnancy renders the operation of ca- 
thartic medicines more difficult. Climate influ- 
ences a of the bowels to be acted 
