CERA

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yellow wax, and rubbing it up with Ibss of hogs-lard, Jiij of quick-silver, and 5j of balsam of sulphur.

Ceratum Plumbi Acbtatis. L. Cerate of Acetate of Lead is madeby dissolving Jij of white wax in Jvj of olive oil; then rub up with3"ix of olive oil, jij of acetate of lead in powder, mix and stir thewhole with a wooden spatula, till incorporated. Astringent, cooling,and emollient, in burns, scalds, and excoriations.

Ceratum Plumbi Compositum. L. Compound Cerate of Lead, orGoulard's Cerate. Take Jijss of solution of subacetate of lead, %ivof yellow wax, ^ix of olive oil, ^ss of camphor. Mix the meltedwax with 3viij of the oil, then remove them from the fire, and, whenthey begin to thicken, gradually add the solution, constantly stirringthem with a wooden spatula, till they become cold ; then mix thecamphor with them, dissolved in the rest of the oil. Cooling, astrin-gent, &c, in chronic ophthalmia, &c.

Ceratum Resins. L. Resinous Cerate, Yellow Basilicon, or Ceratumcilrinum. L. 1745. Is made by melting ftj of yellow resin, withftj of yellow wax, over a slow fire, and then add a pint of olive oil,and strain while hot. It is digestive, cleansing, and stimulant, toatonic and foul ulcers.Enters into Liniment. Terebinthina;. L.

Ceratum Sabine. L. Ung. Sabine. D. Savine Cerate is made bymelting Ibss of yellow wax, with Ibij of prepared lard, boiling inthis Ibj of fresh savine leaves, bruised, and straining the wholethrough a linen cloth. It is irritant and stimulant, and employedto keep up the discharge of blisters. Unless it is made fresh fromfresh leaves, and smell strongly of the savine, it is not good, as itspoils by keeping. It is also applied to scrofulous swellings of thejoints.

Ceratum Saponis. L. Soap Cerate. Take Jviij of hard soap, 3V ofyellow wax, Ibj of the semivitrified oxide of lead in powder, Oj ofolive oil, and one gallon of vinegar: boil the vinegar and the oxideof lead together, over a slow fire, carefully and incessantly stirringthem until they combine; and the fire should not be stronger thanto make them liquid so as to effect this. Then add the soap, andboil again, till the water evaporate, when the oil and wax, meltedtogether, are to be mixed.Decomposition. The vinegar unites with the lead of the oxide, form-ing acetate of lead, which remains in the compound, and gives it acooling property.Medicinally it is a good application to fractures, ulcers, scrofu-lous tumours, erysipelatous inflammation which threatens gan-grene, &c.

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