Although sulphur waters are not so much used for bathing as formerly was the case, this little book would not be complete without some notice of the chief sulphur springs. _Harrogate_, in Yorkshire, has been well known for more than three centuries, and although the sulphuretted hydrogen, by its predominant smell, gives the chief character to the Harrogate springs, they have an equal claim to be called saline or chalybeate, for they are strongly impregnated with salt and with iron, so that the taste has been compared to a mixture of rotten eggs and the scourings of a gun. The old sulphur spring contains 137 grains of solid contents to the pint, and is strongly impregnated with carbonic acid and sulphuretted hydrogen. Harrogate is now a fashionable watering place, with every accommodation for visitors. The situation of the town is open and airy, and the climate is decidedly bracing. _Gilsland_, in Cumberland, has a sulphur spring of some repute. The Pyrenees is the district _par excellence_ of sulphur springs. _Baréges_ is the most famous of the Pyrenean baths, situated 4000 feet above the level of the sea. Its water, which has a natural temperature of 86° Fahr. to 111° Fahr., contains only 1·657 grains to the pint, of which ·360 grain is sodium sulphide. This becoming decomposed on exposure, forms the sulphuretted hydrogen which gives the character to the spring. These sulphur waters contain a peculiar gelatinous organic substance which has been called barégine, and which has been supposed by some authorities, but on insufficient grounds, to give the peculiar virtue to the water. _Cauterets_, in the Pyrenees, 3000 feet above sea-level, with a sulphur water having a natural temperature of 98° Fahr. to 130° Fahr. _Bagnères de Luchon_, 2000 feet above sea-level, with a natural hot sulphurous water. _Eaux Bonnes_ and _Eaux Chaudes_, 2000 feet above the sea. At _Aix-les-Bains_, in Savoy, one of the springs is strongly impregnated with sulphur. _Aix-la-Chapelle_, in Rhenish Prussia, is 450 feet above the sea. The water contains about 30 grains of solid contents to the pint, and is strongly impregnated with sulphuretted hydrogen. Any water may be used for bathing purposes, and it is almost always the custom for visitors who go to a spring for the purpose of _drinking_ the water, to take some _baths_ as well, the baths often being composed of the same water as that used for drinking. It is not generally believed that there is any particular virtue in baths composed of alkaline waters, such as those to be found at Vichy, nor in purgative waters, like those at Carlsbad, nor in iron waters like those at Tunbridge Wells, Spa or Schwalbach. Hot bathing, however, may be expected to help the effect which it is sought to bring about by taking the water internally, and it has not unfrequently been the case that the effect of drinking has been attributed to the bathing.