Summary

Various Harper's Young People, September 14…

In South America they are used as ornaments for the hair and dresses of the ladies; and on certain festivals young people gallop through the streets on horseback, brilliantly illuminated, horse and rider, with these insects, secured in little nets, or cages made of fine twigs woven together. The effect is marvellous, producing in the dark evening the appearance of a large moving body of light. "Many wanton, wild fellowes," as an old writer describes them, rub their faces with the flesh of a killed cucuius, as boys with us sometimes do with phosphorus, to frighten or amuse their friends.
Source: Gutenberg

Various Harper's Young People, September 14…

Combustion is only another name for burning, and burning in all ordinary cases is oxidation, or union with oxygen, one of the gases that make up our atmosphere. It is a chemical change; that is, one by which we get a new substance entirely unlike any of the substances united. Common salt, for instance, is formed by the chemical union of a yellow, bad-smelling gas and a soft silvery metal. When coal and wood are burned, the chief products of the union with oxygen are carbonic acid and water.
Source: Gutenberg

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