India and China are also very large producers of essential oils.
It is to be noted that there is no fixed relation between toxin production and bacterial multiplication in the body, some of the organisms most active as toxin producers having comparatively little power of invading the tissues.
America has furnished European supplies since the discovery of the Potosi mines of Peru in 1 533; Bolivia and Chile are also notable producers.
In 1908 the richest producers of gold were Salt Lake (60,872.63 oz.), Juab (58,679.17 oz.) and Tooele (41,969.96 oz.) counties, which produced about nine-tenths of the total for the state; in Salt Lake and Juab counties the principal source was copper ore, but in Tooele county almost all the gold was from siliceous ores.
But it is to be noted that St Louis is one of the leading producers of street-railway cars.
