232 PHARMACEUTICAL NOTICES. 
taken up, or rather its liquid constituents, such as the empy- 
reumatic oil, acetic acid, &c, leaving the pitch or resinous 
parts behind. The yeast added is intended, as it would ap- 
pear, to hasten the process of fermentation It is much more 
highly charged with the volatile principles than the %flqua 
Picis. 
As obtained, it is of an opaque yellow color, but after a 
few days standing becomes clearer. It has a strong odor of 
tar, and a sweetish, with an after acrid taste. It exercises an 
acid reaction upon litmus- 
It possesses balsamic properties, and is given freely in 
coughs, bronchial diseases, and the various forms of incipient 
consumption. 
Syrup of Gum Jlrahic. 
Gum syrup is an article prescribed almost daily as a useful 
addition to mixtures formed of certain incongruous bodies, 
requiring the mediation of some viscous substance to unite 
or suspend them, or else by its insinuating, pleasing cha- 
racter, to prepare the way for the administration of nau- 
seous remedies repugnant to the fauces. It is to the apothe- 
cary almost an indispensable vehicle for forming pilular 
masses. It constituted, formerly, one of the Preparations of 
the U. S. Pharmacopoeia, but having been expunged from the 
new edition, the cause of which we are left to divrne, makes 
it desirable that a good process be placed before our confreres 
through the medium of this journal. The following improve- 
ment upon the old formula was suggested to the committee 
of pharmaceutists engaged in revising the formulas of the old, 
with the view of eliciting important changes in the new Phar- 
macopoeia, and by them adopted. 
Take of 
Gum Arabic, the whitest, 4 ounces or 8 parts. 
Sugar, 32 " 64 " 
Boiling Water, 1 pint or 32 u 
Orange Flower Water, 4 drachms or 1 " 
