551. Common Purgative

Take of powdered jalap and compound extract of colocynth each four grains, of calomel two grains, mix as usual, and divide into two pills.

Dose

, one or two occasionally.

552. Tonic

Mix twenty-four grains of extract of gentian and the same of purified green vitriol (

sulphate of iron

) together, and divide into twelve pills.