The ordinary soda water of commerce contains no soda, - it is made by the absorption, under pressure, of carbonic acid gas, which is generally obtained from chalk or whitening, and sulphuric acid, which makes as good a gas for commercial purposes as if it were produced from the purest Garrara marble.

The number of chemical teetotal drinks is legion. They are all calculated according to their concocter's reports, to make the drinker healthier and wiser; nay, even to provide him with extra brain power, as did the vaunted Zoedone, which contained phosphates and iron. They have their little day, and another nostrum takes their place. It has, hitherto, always been so, and probably will continue, only intensified, to the end of time. J. A.