Among the multiplicity of mineral springs that have been brought to light in recent years, the one above named seems to have as much promise as any other on the Pacific slope. Dr. William Chapman of Los Angeles has given, in the Journal of Balneology, a succinct account of their topographical and medicinal peculiarities.
The springs, twenty in number, occupy an area of about two acres. They take their name from an arrow-head shaped bare spot on a mountain spur that juts up immediately behind them. Their temperature ranges from 99° F. to 193°—or not far below the boiling point of water—their average being much higher than at either Carlsbad or Arkansas. The water is moderately sulphurous in taste and odor, in its reaction alkaline, and its action on the bowels is laxative, cathartic or purgative according to the size and frequency of the dose. The waters are expected to