AROMATICS. 
Substances possessed of fragrance, and which 
quickly excite asensation of pungency and warmth 
in the mouth, and when swallowed, also in the 
_ stomach, and thence diffusing a continued stimula-— 
ting effect on the general system. ‘They are more — 
or less tonic. 
tonics in 
Some writers separate them from 
n above. In Muarray’s | 
m nics, without a sub-class providing | 
for their aromatic property. This appears to me a 
defect in his classification, which has properly been 
noticed by Dr. Paris, as such. Simple tonics are 
characterized, not only by more bitterness. but 
have a more permanent effect. The operation of 
aromatic stimulants is more vehement and evanes- 
cent; their tonic effect, though continued for a time, 
is certainly not permanent. Their proximate pris 
ciple is moreover different, consisting perhaps a 
together in active essential oils, and not alkali 
bases—and the chief effective benefit they render 
in substance, may be procured from the exhibition 
of these essential oils in small quantities alone, 
variously made into emulsions or mixtures. I can 
conceive of no propriety, if classification is aimed 
at according toa similitude in effects, of arrang 
ing with such articles as chincona and calumb 
which I will assume as types of the class of tonics, 
any of the following substances: Winters’ bark, 
cinnamon, cassia, canella alba, cloves, all of the 
natural family piperides, angelica root, laurus ben 
