It may therefore interest some of our readers if we attempt to trace its origin and progress as indicated by the writings of the earlier authors.

Pliny, for instance, the Roman historian, informs us that the art of manufacturing soap is the invention of the Gauls, and that the best article made by them was a combination of goats' tallow and the ashes of the beech-tree. They also seem to have been acquainted with both hard and soft soaps.