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I'LASTERS.

Emplastedm lithargyri.

Take of Litharge, in finepow der, five ounces;Olive oil, twelve fluidounces ;Water, three fluidounces.Mix them ; boil and stir constantly tili theoil and litharge unite, replacing the waterif it evaporate too far.

Emplasthüm opii.

Take of Powder of Opium, half an ounce ;

Burgundy pitch, three ounces ;

Litharge plaster, twelve ounces ;Liquefy the plaster and pitch, add the opiumby degrees, and mix them thoroughly.

Emplastrum picis.

Take of Burgundy pitch, one pound and ahalf;

Resin, and

Bees'-wax, of each two ounces ;

Oil of mace, half an ounce ;

Olive oil, one fluidounce ;

Water, one fluidounce.Liquefy the pitch, resin and wax with agentle heat ; add the other articles ; mixthem well together; and boil tili the mix-ture acquires the proper consistence.

Emplastrum uesinosum.

Take of Litharge plaster, five ounces ;Resin, one ounce ;

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