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Through the engine-room ventilators a long jingle of the telegraph was heard; and directly the Sybarite's pulses began to beat in quicker tempo, while darker volutes of smoke rolled in dense volume from her funnel and streamed away astern, resting low and preserving their individuality as long as visible, like a streak of oxidization on a field of frosted silver.
Let us add that, in aerated water, the luminousness continues as brilliant as in the free air, but that it is extinguished in water deprived of its air by boiling. No better proof could be found of what I have already propounded, namely, that the Glow-worm's light is the effect of a slow oxidization. The light is white, calm and soft to the eyes and suggests a spark dropped by the full moon.
The increased circulation and oxidization of the blood is in itself a great tonic and when one reflects that, with a running pace of six miles an hour the inhalation of air increases from four hundred and eighty cubic inches per minute to three thousand three hundred and sixty cubic inches, the tonic effect of the athletic game will be better appreciated.
On account of its peculiar and complex nature, it possesses great capacity for burning or oxidization, thus serving as a source of vital power. It burns in the living tissue just as coal oxidizes in the boiler of an engine; its atoms fly apart and unite with oxygen so as to satisfy their chemical affinities for this substance.
Oxidization will not have set in to any extent, if the ink is very fresh, and this, with a careful watching of the color for any darkening, will determine whether or not the ink is fresh. This ink study should be a question of the utmost interest to bankers and bank employes. A ten-per-cent solution of ammonia applied to two inks in question will show which is the fresher.
In course of time, these green eggs turn brown and become like the others, no doubt by reason of an oxidization which alters the natural qualities of the digestive product still further. The egg, entering the cloaca in a soft and utterly naked state, receives an artistic coat of the intestinal dross, even as the Hen's egg is covered by a shell formed of the chalky secretions.
Just beside it is a curious air-tube, whose short and remarkably wide stem branches suddenly into a sort of bushy tuft of very delicate ramifications. These creep over the luminous sheet, or even dip into it. That is all. The luminescence, therefore, is controlled by the respiratory organs and the work produced is an oxidization.
Straightway, oxidization works upon the product: the indigo is reformed, insoluble and blue. This is exactly what we see in the boletes that turn blue so readily. Could they, in fact, contain soluble, colorless indigo? One would say so, if certain properties did not give grounds for doubt.
If we could only see what happens to the protein molecule when it undergoes oxidization, we would witness a violent explosion, like that of a mass of gunpowder. And the astonishing fact is that this process is actually the same for the living molecule, for exploding gunpowder, and for the fuel which burns in the locomotive boiler.
He who writes these lines has himself found, in the friable soil of this knoll, on turning over the sand, the remains of the neck of a bomb, disintegrated, by the oxidization of six and forty years, and old fragments of iron which parted like elder-twigs between the fingers.
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