[ 95 ] 
three, four or five months. Her laft complaint was 
generally relieved by a few faponaceous pills. 
I am, 
/ 
S I R, 
Your obedient humble Servant, 
Leicefter, Feb. 19, 
1 766. 
Robert Smith. 
Received March, 1766. 
XIV. Experiments on the Peruvian Bark , hy 
Arthur Lee, M. D. 
Read May 1, F a ^HE great object of experiments is to 
1/6 JL eftablifh principles, on which prac- 
tice may be conducted in the moft expeditious and 
unerring manner. The intention, therefore, with 
which the following experiments on the Peruvian 
bark were made, was to confirm the pharmaceutic 
treatment of this medicine where it was juft, to cor- 
rect it where it was erroneous, or to improve it where 
it was defective. 
Experiment I. 
In the firfi: experiment, I infufed two ounces of the 
powder of Peruvian bark, in a pound and a half of 
diftilled water ; after 24 hours, it was filtered, and the 
filtered 
