AND KMULSIONS.

125

Unskimmed Milk, three fluid-oun-ces ;Triturate the resin with a little of the milk,and gradually with the rest of it tili a uni-form emulsion is formed.

MüCILAGO.

Take of Gum-arabic, nine ounces;

Water (cold), one pint.Mix them, allow the gum to dissolve with-out applying heat, but with occasional stir-ring; then strain through linen or calico.

MüCILAGO AMY1I.

Take of Starch, half an ounce ;

Water, one pint.Triturate the starch with a little of the wa-ter ; add the rest of the water gradually ;then boil for a few minutes.

MüCILAGO TRAGACANTHAE.

Take of Tragacanth, two drachms ;

Boiling-water, nine fluidounces ;Macerate for four-and-twenty hours, thentriturate to dissolve the gum, and expressthrough linen or calico.

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