fc?hap. XLI. Of Lin'mients, &;c.

641

Unguentum ptcis. Ed.Tar Ointment.Take of

Tar, five parts;Yellow wax, two parts.

These compositions cannot be considered as differing es-sentially from each other. As far as they have any peculiaractivity, this entirely depends on the tar. From the em-pyreumatic oil and saline matters which it contains, it is un-doubtedly of some activity. Accordingly, it has been success-fully employed against some cutaneous affections, particular-ly tinea capitis.

Unguentum hesinae nigr^ji. Lond.Ointment of Pitch.Take ofPitch,

Yellow wax,

Yellow resin, of each nine ounces ;Olive oil, a pint.Melt together, and express through linen.

Emplastrum picis compositum. Lond.Compound Pitch Plaster.Take of

Burgundy pitch, two pounds;

Frankincense, one pound;

Yellow resin,

Yellow wax, of each four ounces ;

Expres-ed oil of mace, one ounce.To the pitch, resin, and wax, melted together, add first thez

frankincense, and then the oil of mace, and mix.

Emplastrum cumini. Lond.Cumin Plaster.Take of

Cumin seeds,

Caraway seeds,

Bay berries, of each three ounces;

Burgundy pitch, three pounds ;

Yellow wax, three ounces.Melt the pitch and wax together, and mix with them the rest

of the ingredients, powdered.

1 s

B

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