According to their supposed Modes of Operation.
CL: I—MEDICINES WHICH INCREASE PULMONARY EXHALATION, AND THEREBY
DILUTE THE MUCUS IN THE FOLLICLES OF THE LUNGS.
_a._ By removing constriction of the Pulmonary Exhalant vessels.
_Blisters._
_Venesection._
_Nauseants._
_b._ By stimulating these vessels by the _actual contact_ of a
medicinal substance.
_Allium._
_Scilla?_
_The different Balsams._
_fœtid Gums._
_c._ By stimulating the top of the trachea, and thereby increasing
the action of the exhalant vessels of the lungs, by a species
of _Contiguous Sympathy_.
_Stimulating Lozenges_, _Linctusses_, _The Inhalation of
certain vapours_, _&c._
CL: II.—MEDICINES WHICH DIMINISH THE INORDINATE FLOW OF FLUID INTO THE
LUNGS, AND RENDER THE EXPECTORATION OF THE REMAINDER MORE EASY.
_a._ By removing the debility of the Exhalants.
_Sulphate of Zinc._
_Bitter Tonics._
_b._ By increasing the power of the Absorbents.
_Digitalis._
_Nicotiana._
_c._ By determining to the skin by gentle diaphoresis.
_Tartarized Antimony._
_d._ By exciting serous discharges from the bowels.
_Saline Purgatives._
CL: III.—MEDICINES WHICH OPERATE, MECHANICALLY, IN PROMOTING THE
REJECTION OF ACCUMULATED MUCUS.
_a._ By stimulating the muscles of Respiration.
_Ammonia._
_b._ By exciting vomiting, and thereby compressing the thoracic
viscera.
_Emetics._