I'AllT III.
Ointments.
875
UNGUENTUM PULVERIS CANTHARIDIS VESI-
CATORIiE, Edin. Ointment of the Powder of BlisteringFlics.
" Take of resinous Ointment, seven parts; powdered Blis-tering flies, one part. Sprinkle the powder into the meltedointment: and stir the mixture until it stiffens in cooling.
Unguentum Canthaiudis, Dub. Ointment of BlisteringFiies.
" Take of Ointment of yellow Wax, half a pound'■ Blisteringflies in powder, one ounce. Form them into an ointment."
These ointments are intended for promoting a purulentdischarge from blistered surfaces, and produce this effectsufficiently well when the irritation they excite can be sup-ported, which, however cannot always be done. The fliesshould be reduced to a very fine powder, and very intimatelymixed with the ointment.
UNGUENTUM RESINyE NI'GRiE,' Lond. Blackllesin Ointment.
" Take of black Resin, yellow Wax, yellow Resin, of each,nine ounces; Olive-oil, a pint. Melt them together, and strainthrough a linen cloth."
UNGUEN'TUM SAMBUCO, ■ Lond. Elder Ointment.
" Take of Elder flowers, prepared Lard, of each, two pounds.Boil the elder flowers in the lard, until they become crisp, thenstrain the ointment through a linen cloth."
Dublin.
" Take of fresh Elder flowers, three pounds; prepared Hog'slard, four pounds; mutton Suet, two pounds. Make an oint-ment of these in the manner directed for the preparation ofthe savine ointment."
These ointments are simply emollient, and possess no ad-vantages over simple ointment. They are vestiges of theredundant practice of former times.
UNGUENTUM SIMPLEX, Edin. Simple Ointment.
" Take of Olive-oil, five parts; white Wax, two parts. Meltthe wax in the oil; then stir the mixture until it stiffens incooling;."
An useful emollient ointment for softening the skin.
Officinal preparations. Unguentum Oxidi Plumbi albi, E. Un-guentum Acetatis Plumbi, E.
UNGUENTUM SUBACETATIS CUPRI, Edin.Ointment of Subacetate of Copper.
" Take of resinous Ointment, fifteen parts; Subacetate ofCopper, one part. Sprinkle the subacetate into the meltedointment, and stir until the mixture stiffens in cooling."
1 Unguentum basilicum nigrum, vel tetra pharmacum, 1'. L. 1745.'* Unguentum sambucinuin, P. L. 1720.