(C) THE FUNCTIONS OF THE SERVICE.
The functions of the Public Health and Marine-Hospital Service may be considered two-fold, viz., those of a Marine-Hospital Service and those of a Public Health Service. It must not be supposed, however, that any such division really exists in the service. An assistant surgeon has a tour of duty at each of the various kinds of work, and is early in his career equipped by practical experience to perform any of the varied duties required of an officer of the Public Health and Marine-Hospital Service. These young officers are sent successively to the large marine hospitals, to the quarantine stations, to the immigration inspection stations, and to the hygienic laboratory, in order to round out their professional training.The two classes of work are