Peptone, 1/4 troyounce.

Sugar, 2 1/2 troyounces.

Alcohol, 1 fluidounce.

Port wine, 4 fluidounces.

Water, 2 fluidounces.

Dissolve the peptone in the water, then add the wine and sugar, and after the sugar has dissolved add the alcohol. (A. PETTIT )