...There were others, too, ten of them all told, the scum of the South Seaports; but Gust and Momulla and Kai Shang were the brains and cunningof the company...
Edgar Rice Burroughs 「The Beasts of Tarzan」
...The green scum which forms on still water in this country is ofvegetable origin—confervæ...
David Livingstone 「The Last Journals of David Livingstone, in Central Africa, from 1865 to His Death, Volume II (of 2), 1869-1873」
...This scum marks each successive overflow, as astratum from twelve to eighteen inches or more in thickness...
David Livingstone 「The Last Journals of David Livingstone, in Central Africa, from 1865 to His Death, Volume II (of 2), 1869-1873」
...There was, however, on the surface,in parts, an exceedingly fine scum of pale yellow green,and this, armed with a teaspoon, we proceeded toattack...
Henry J. Slack 「Marvels of Pond-life」
...When the hyposulphite of gold is used ingilding, it requires less heat and a longer application, as there is somedanger of producing a glossy scum over some parts of the surface of theplate...
Samuel D. Humphrey 「American Handbook of the Daguerrotype」
...They halted, greatly surprised, and turned in their saddles and looked back, as if wondering if it might be worth while to bother with such scum as we...
Mark Twain (Samuel Clemens) 「A Connecticut Yankee in King Arthur’s Court, Complete」
...Not till it begins to scum over will it beperceptibly cooler...
Oliver Lodge 「Pioneers of Science」
..." "The spots have been supposed to be solid bodies, the smoke of volcanoes, the scum floating on an ocean of fluid matter, clouds, opaque masses, and to be many other things...
Edward Singleton Holden 「Sir William Herschel: His Life and Works」
...There was also a red scum on the water, and some of it was taken up to be examined by Mr...
Matthew Flinders 「A Voyage to Terra Australis」
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