"Coloration" Quotes from Famous Books
 ... being allowed to settle awhile, is decanted off, and evaporated to a viscid consistency over a water bath. This is then repeatedly kneaded up with fresh quantities of lukewarm water until the washings cease to taste bitter, and to give a reddish brown coloration when treated with a strong aqueous solution of iodine. The several washings are collected and precipitated with basic lead acetate, the precipitate filtered off, and the lead in the filtrate removed by sulphureted hydrogen. ...
— Scientific American Supplement, No. 315, January 14, 1882 • Various
... significance. In 1880, the opening of a cave of the Stone age in the district of Anagni, a short distance from Rome, brought to light the facial portion of a human cranium, colored bright red with cinnabar. Nor are these by any means exceptional cases, for similar coloration was noticed on bones picked up at Finalmarina and several other places in Liguria and Sicily. The custom had therefore become general in the Neolithic period in the whole of the Italian peninsula.[283] ...
— Manners and Monuments of Prehistoric Peoples • The Marquis de Nadaillac
... world. The eye does not easily see an object if it is colored like the background against which it stands. A host of animals find their main safety in being indistinguishable in color from the surface on which they live. There are many biologists who seriously question whether protective coloration, as Darwin called it, is as effective as he believed it. In some quarters it is the present fashion to doubt protective coloration entirely. No one has yet shown any principles which will better explain the great color scheme of the animal world, and until such explanation ...
— The Meaning of Evolution • Samuel Christian Schmucker
... get ecchymosis, and consequent red staining of the surrounding structures. As is the case with extravasations of blood elsewhere, the haemoglobin of the escaped corpuscles later undergoes a series of changes, giving rise to a succession of brown, blue, greenish and yellowish coloration. ...
— Diseases of the Horse's Foot • Harry Caulton Reeks
... the subject of protective coloration of animals. Two companion cases are shown, each occupied by specimens of the same species of birds and animals—in one case in their summer plumage and pelage and in the other clad in the garb of winter. The surroundings in the case have, of course, been carefully ...
— A History of Science, Volume 5(of 5) - Aspects Of Recent Science • Henry Smith Williams
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