Blue paper: Carbonate of soda, thirty grains; powdered ginger, five grains; ground white sugar, one drachm to one drachm and a-half; essence of lemon, one drop. Add the essence to the sugar, then the other ingredients. A quantity should be mixed and divided, as recommended for Seidlitz powders. - White paper: Tartaric acid, thirty grains.

Directions. - Dissolve the contents of the blue paper in water; stir in the contents of the white paper, and drink during effervescence. Ginger-beer pow ders do not meet with such general approbation as lemon and kali, the powdered ginger rendering the liquid slightly turbid.