This publication is designed to assist physicians in choosing and recommending the proper European stations and spas where climatic and hydrotherapeutic measures favorable to the various disturbances of infants and children may be obtained. In part I the various diseases of children amenable to this type of treatment are discussed, with suggestions concerning the places for climate, mineral waters and baths best suited to the particular illness, age and disposition of the patient. These directions are explicit and detailed. In part II, the composition of various mineral waters is explained and their therapeutic action discussed. Part III consists of a list of the principal stations, with data on each concerning the climate, altitude, open season, facilities offered and type of illnesses for which they are especially beneficial.