~*~ Qvastiss. Transp 
as EMETA. Eme tine 0 is eae 
_ Cabinet specimen, Jeff. Coll. No. 382. _ 
The proximate emetic principle, discover stier and 
Magendie in ipecacuanha roots—of course existing in the _ 
roots of the different kinds, and I conjecture will be four 
in numerous indigenous emetics. A formula for its pr 
paration is introduced into. the Paris codex, as the 
used by Pelletier, viz > let 3} of the powder of ip. 
anha be macerated in 3ij of ether, with a gentle hes 
some hours, in a distilling apparatus; let the portion 
_. maining be triturated, and boiled, with f Ziv of aleoho 
having been previqusly rated in it; filter, and let the 
remainder be treated with fresh portions of alcohol, as 
long as any thing is taken up from the root—mix these a 
coholic solutions, evaporate to dryness. “Let this alcoholic 
extract, be macerated in cold distilled water, in order that 
every thing soluble in that menstruum may be dissolved; _ 
filter, and evaporate to dryness : this extract is Emeta, In _ 
this state, however, it contains a small quantity of gallic 
acid, but so inconsiderable as not to affect its medicinal — 
qualities. : es 
found : 
the nifaston 
Mepicat Provertizs an 
grain, or even less ; taken i 
_arrests the mischief; like other emeties 
rates on the bowels, and induces ‘sleep; see 
preferable to ipecacuanha as an emetic for ¢ hildren,- 
eause its taste is less offensive, and it can. be more | 
= 
2 OBS | x erie pore 
_ Emeta exists in ipecacuanha, combined thus: Emeta 1 
oils 2, wax 6, gum 10, starch 40, woody 30. 
preceding account relates to impure emeta, (combined, 
as mentioned, with gallic. acid. 
Pelletier obtained. Ameta pe 
