MINUTES OP THE PHARMACEUTICAL MEETINGS. 
345 
by the following formula in Guibourt's "Traite de Phar- 
macie, viz.: 
Tolu, 1 part. 
Water, q. s. 
Pure Sugar, 23 parts. 
Digest the Tolu in successive portions of water in a closed 
vessel, (flask,) by means of a water bath, for half an hour, 
until twelve parts of fluid is obtained; suffer it to cool; sepa- 
rate the benzoic acid, which precipitates by filtration, and 
agitate the colorless fluid with the sugar until it is entirely 
dissolved. 
The peach-water was proposed as a substitute for that ob- 
tained by distilling the leaves, but it was thought to have 
more analogy to bitter almond-water than to the product ob- 
tained from the peach leaf. 
