Elixir of pepsin, 8 fluidounces.

Elixir of phosphate of

cinchonidine, 8 fluidounces.

Mix them together. If not of acid reaction, add a sufficient amount of acetic acid.

Each fluidrachm (teaspoonful) of the finished elixir contains one grain of saccharated pepsin and one-half grain of phosphate of cinchonidine.