Public Health 3867 Public Lands and industrial establishments (lighting, heat- ing, ventilation, etc.), supervision of swim- ming pools, bathing beaches, barber shops, control of insect carriers, etc. The milk supply of a large city is a diffi- cult problem of the health department. Prop- er supervision involves the inspection of the farms where the milk is produced, of the conditions under which it is transported and under which it is handled in retail stores. Pasteurization should be defined by law and all milk, except that of certified grade, should be pasteurized. The United States Public Health Service has published The Standard Milk Ordinance as an aid to inspection. All milk to be sold raw should be tuberculin tested. The latest conception of State Medicine— free medical treatment for everyone at his earliest need—comes nearest to fulfillment in Soviet Russia, where the following point of view obtains: The Soviet government is a government by the workers and the health of the workers is the responsibility of the workers. The logical outcome of this con- ception is the disappearance of all private hospitals and of all private practice. Medical institutions and the treatment of disease were at once made a state function under the Peo- ple's Commissariat for the Protection of Health. All doctors, nurses and pharmacists became civil servants; all hospitals, sanatoria and drug stores became state institutions; unified schemes of medical work were put in practice: nation-wide programs of child wel- fare, venereal disease and tuberculosis con- trol were applied; medical instruction for doctors was provided; and wholesale pro- duction and purchase of drugs became a state business. It is thus intended to make free medical help accessible to all citizens. All sal- aried workers and their families, all wounded ex-soldiers, all school children, and the poorest of the peasants hold health insurance. Every possible device is used for the pur- pose of selling health to the people. For those who cannot view the city health exhibits, traveling exhibitions are maintained which go in railway cars, automobiles, or vehicles drawn by horses, reindeer, or camels, carrying moving pictures, lectures, little plays, posters and literature to the very doors of the peo- ple. The radio is extensively used for health education. Public Health Service, a bureau of the Treasury Department of the United States, the largest Federal agency dealing with public health. Its activities include the protection of the United States against the introduction of disease from without, the medical examina- tion of all arriving aliens, the enforcement of interstate quarantine and the suppression of epidemics, cooperation with State and local health departments in public health matters, investigation of the diseases of man, control of interstate commerce in bacteriological products, promotion of health education, maintenance of marine hospitals and relief stations, the maintenance of narcotic farms for the confinement and treatment of drug addicts, and the provision of medical service in Federal prisons. This service dates from July 16, 1798, when Congress created the Marine Hospital Fund- In 1872 the Marine Hospital Service was re- organized and in 1902 its name was changed to Public Health and Marine Hospital Serv- ice; in 1912 it became the Public Health Service. In 1918 the Division of Venereal Diseases was created and in 1930 the Divi- sion of Mental Hygiene. Under the quaran- tine laws, the Surgeon-General, with the ap- proval of the Secretary of the Treasury, formulates rules and regulations for the gov- ernment of maritime and interstate quar- antine. Under the health provisions of the Social Security Act of 1935 and the Venereal Disease Control Act of 1938, national, state and local health services are co-ordinated. Public Lands of the United States.— The public lands came into the nation's pos- session in several ways. The Revolution transferred to the United States all the ter- ritory of the original 13 colonies and all the land w. of them to the Mississippi. Those States claiming the country n.w. of the Ohio River were in controversy as to boundaries, and were regarded with jealousy by States whose charters confined them to the coast. Maryland refused to ratify the Articles ot Confederation, forcing the cession of this 'Northwest Territory* to the Union, which was followed by cession of the lands s. ot Kentucky by the States claiming them, and by the Louisiana Purchase (1819); the Ore- gon acquisition (1846); the Mexican cession (1848); the Texas Purchase (1850); the Gadsden Purchase from Mexico (1853), and the Alaska Purchase (1867). The total area was slightly under one and one-half billion acres. Over it the Federal Government was originally both sovereign and landowner. At first, lands were sold chieny with a view to profit. In 1812 the office of General Commissioner of the Land Office was created, under the Treasury Department. In 1846 the: