Oil and Litharge: applied as a varnish, containing 5 per cent. Salicylic Acid.

Ol. Menthæ Piperitæ: painted on.

Phytolacca: to relieve pain.

Potassium Chlorate: solution 5 grn. to 1 oz.

Pyoktanin.

Resorcin.

Rhubarb Ointment: one part of root to two of lard.

Rhus Toxicodendron.

Soap Suds: instead of alkali, if it is not at hand.

Sodium Bicarbonate: immediate application of a saturated solution.