30 Observations and Experiments on Peruvian Bark. 
and by no means an unpleasant dose, what previously was 
considered the most nauseous and disagreeable medicine, 
and frequently, from its bulky nature, (when administered in 
less than ordinary doses,) was rejected by the stomach. 
n consequence of the prevailing endemics, ague and re- 
mittent fevers, which of late years have visited almost every 
section of our country, the article cinchona has increased 
very much in practice and demand, and become one of the 
the loss of time, but also by charging the stomacli, when in a 
weak and debilitated state, wake i i 
serious than those for which it was administered as a remedy. 
ark of commerce, in this country and in England, is 
generally designated under the limited nomenclature of red, 
‘pale and yellow. There are now no less than twenty five 
t species of cinchona, independent of any additions we 
prs Na to the zeal of Humboldt and Bonpland, as well as 
of Mr. A. T. Thompson, who states, that in a large collection 
