ii. Take of powdered Rochelle salts one drachm and a half, powdered

jalap and powdered rhubarb each fifteen grains, ginger two grains, mix. _Dose_, for a child above five years, one _small_ teaspoonful; above ten years, a _large_ teaspoonful; above fifteen, half the whole, or two teaspoonfuls: and for a person above twenty, three teaspoonfuls, or the whole, as may be required by the habit of the person.

This medicine may be dissolved in warm water, mint, or common tea. The powder can be kept for use in a wide-mouthed bottle, and be in readiness for any emergency. The druggist may be directed to treble or quadruple the quantities, as convenient.

654. Aperient Pills.

To some adults all liquid medicines produce such nausea that pills are the only form in which aperients can be exhibited; the following is a useful formula: