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Updated: May 14, 2025
What community of faculty can there be between the brightly-coloured lichen, which so nearly resembles a mere mineral incrustation of the bare rock on which it grows, and the painter, to whom it is instinct with beauty, or the botanist, whom it feeds with knowledge?
A. It is found by experience that when the concentration of the salt water in a boiler is prevented from exceeding that point at which it contains 2/33rds its weight of salt, no injurious incrustation will take place, and as sea water contains only 1/33rd of its weight of salt, it is clear that it must be reduced by evaporation to one half of its bulk before it can contain 2/33rds of salt; or, in other words, a boiler must blow out into the sea one half of the water it receives as feed, in order to prevent the water from rising above 2/33rds of concentration, or 8 ounces of salt to the gallon.
The dry white incrustation found on fresh earth near railroad track entirely away from water, where it appeared as if white sugar or sand had been sprinkled over in a fine dust, showed an abundance of automobile spores and dry sporangia of G. rubra and verdans. It was not made up of salts from evaporation. Observation 30.
In the town of Flanders, for instance, where most buildings are of brick, effloresences of salts cover the surfaces of the walls, like a white nap, within a few days after they are erected. If this saline incrustation is washed away by the rain, it soon re-appears; and this is even observed on walls which, like the gateway of Lisle, have been erected for centuries.
There could be no doubt that the earthquake had disrupted this ridge. The huge bergs all around us were not the normal discharge of hanging glaciers as we had at first wonderingly supposed; they were the incrustation of ages, maybe, ripped off the rocks and hurled down from the ridge by this convulsion.
Of the four hot springs, the most copious is about three feet deep, bubbles constantly, boils eggs, and though brilliantly clear, has an exceedingly nauseous taste. This and the other warm ones cover the bricks and surrounding rocks with a thick incrustation of salts.
Besides these, there were suspended from hooks those sartorial deceits, those lying mounds of fashion, that false incrustation on the surface of nature, known as "bustles."
And along the margin where the water sometimes broke was a thick incrustation of salt pink under the lurid sky. There was a sense of oppression in my head, and I noticed that I was breathing very fast. The sensation reminded me of my only experience of mountaineering, and from that I judged the air to be more rarefied than it is now.
Excited with the hope of quenching their thirst, they were with much difficulty prevented from rushing about in pursuit of the phantom that was so terribly tantalising them. The cattle had been a long time without salt, and had a strong desire to lick up the saline incrustation, that in some places covered the earth to an eighth of an inch in thickness.
Like most men in his profession he was a quick reader of thoughts and faces when he was interested, and although this was the same robust, long-limbed, sunburnt girl he had met, he now seemed to see through her triple incrustation of human vanity, conventional piety, and outrageous Sabbath finery an honest, sympathetic simplicity that commanded his respect.
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