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FIREFLY

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Originally appearing in Volume V10, Page 419 of the 1911 Encyclopedia Britannica.
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FIREFLY , a See also:

term popularly used for certain tropical See also:American click-beetles (See also:Pyrophorus), on See also:account of their See also:power of emitting See also:light. The See also:insects belong to the See also:family Elateridae, whose characters are described under See also:Coleoptera (q.v.). The genus Pyrophorus contains about ninety See also:species, and is entirely confined to See also:America and the See also:West Indies, ranging from the See also:southern See also:United States to See also:Argentina and See also:Chile. Its species are locally known as cucujos. Except for a few species in the New See also:Hebrides, New See also:Caledonia and See also:Fiji, the luminous Elateridae are unknown in the eastern hemisphere. The light proceeds from a pair of conspicuous smooth ovoid spots on the pronotum and from an See also:area beneath the See also:base of the See also:abdomen. Beneath the cuticle of these regions are situated the luminous See also:organs, consisting of layers of cells which may be regarded as a specialized portion of the419 See also:fat-See also:body. Both the male and See also:female fireflies emit light, as well as their larvae and eggs, the See also:egg being luminous even while still in the ovary. The inhabitants of tropical America some-times keep fireflies in small cages for purposes of See also:illumination, or make use of the insects for See also:personal adornment. The name " firefly " is often applied also to luminous beetles of the family Lampyridae, to which the well-known glow-See also:worm belongs. See also:FIRE-IRONS, the implements for tending a fire. Usually they consist of See also:poker, See also:tongs and See also:shovel, and they are most frequently of See also:iron, See also:steel, or See also:brass, or partly of one and partly of another.

The more elegant brass examples of the See also:

early See also:part of the loth See also:century are much sought after for use with the brass fenders of that date. They were sometimes hung from an ornamental brass stand. The fire-irons of our own times are smaller in See also:size and lighter in make than those of the best See also:period.

End of Article: FIREFLY

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FIRENZUOLA, AGNOLO (1493-c. 1545)