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Preparations and Compositions. Part III,

I

These plasters are used as adhesives, for keeping on otherdressings; for retaining the edges of recent wounds togetherwhen we are endeavouring to cure them by the first inten-tion, and especially for giving mechanical support to newflesh; and contracting the size of ulcers, in the manner re-commended by Mr Ba^nton, for the cure of ulcers of thelegs, a mode of treatment so efficacious, that it has entirelychanged the character of these sores.

EMPLASTRUM ASSiF, FffiTIDjE. Ed.

Plaster ofAssafcetida.Take of

Plaster of semi-vitrified oxide of lead ;

Assafcetida, each two parts ;

G.iibanum,

Yellow wax, each one part.

This plaster is applied to the umbilical region, or over thewhole abdomen, in hysteric cases ; and sometimes with goodeffect.

Emplastrum gummosum. Ed.Gum Plaster.Take of

Plaster of semi-vitrified oxide of lead, eight parts;

Gum ammoniacum,

Galbanum,

Yellow wax, each one part.

Emplasteum ammoniaci. Land.Plaster of Ammoniac.Take of

Strained gum ammoniac, five ounces :Acetic acid, half a pint.Dissolve the ammoniac in the vinegar, then evaporate the so-lution in an iron pot, by the heat of a water-bath, stirringit constantly till it acquire a proper thickness.

Emplastrum galbani. Dub.Plaster of Galbanum.Take of

Plaster of litharge, two pounds ;Galbanum, half a pound;Yellow wax, sliced, four ounces.Add the plaster and wax to the galbanum, melted, and thenmelt the whole together with a moderate heat.