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Infusoria   Listen
noun
Infusoria  n. pl.  (Zool.) One of the classes of Protozoa, including a large number of species, all of minute size. Formerly, the term was applied to any microbe found in infusions of decaying organic material, but the term is now applied more specifically to one of the classes of the phylum Ciliophora, of ciliated protozoans. Note: (From 1913 dictionary): They are found in all seas, lakes, ponds, and streams, as well as in infusions of organic matter exposed to the air. They are distinguished by having vibrating lashes or cilia, with which they obtain their food and swim about. They are devided into the orders Flagellata, Ciliata, and Tentaculifera. See these words in the Vocabulary. Formely the term Infusoria was applied to all microscopic organisms found in water, including many minute plants, belonging to the diatoms, as well as minute animals belonging to various classes, as the Rotifera, which are worms; and the Rhizopoda, which constitute a distinct class of Protozoa. Fossil Infusoria are mostly the siliceous shells of diatoms; sometimes they are siliceous skeletons of Radiolaria, or the calcareous shells of Foraminifera.






Collaborative International Dictionary of English 0.48








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"Infusoria" Quotes from Famous Books



... information and amusement will be found in the pages of this handsomely bound book. From the lowest animals of all, the Infusoria, to the lion and the elephant, all come within the range of Mr. Selous' observation, and he builds up out of the vast material at his disposal a very readable narrative. The illustrations are carefully drawn, and are very true ...
— To Mars via The Moon - An Astronomical Story • Mark Wicks

... no work extant in which so much valuable information concerning Infusoria, (Animalcules) can be found, and every Microscopist should add ...
— Notes and Queries, Number 234, April 22, 1854 • Various

... world which surrounds and draws us would seem to us but a broken spectre in the darkness, an empty appearance, a fleeting hallucination. Appeared—disappeared—there is the whole history of a man, or of a world, or of an infusoria. ...
— Amiel's Journal • Mrs. Humphry Ward

... the action of natural and ascertainable conditions into the multiform aspect of life which we see around us. This is undoubtedly at first sight a somewhat startling conclusion to arrive at. To find that mosses, grasses, turnips, oaks, worms, and flies, mites and elephants, infusoria and whales, tadpoles of to-day and venerable saurians, truffles and men, are all equally the lineal descendants of the same aboriginal common ancestor, perhaps of the nucleated cell of some primaeval fungus, which alone possessed ...
— Famous Reviews • Editor: R. Brimley Johnson

... organisms, but they have also, in spite of the great interval which separates them from one another and especially which separates man from every animal, much more numerous and important points of contact than, for instance, two families or genera of algae or of mosses, of polyps or of infusoria, have among one another. Now our imagination refuses to accept the theory that the Creator, or nature, or whatever we wish to call the principle generating the species, in producing the new species, laid aside all those points of contact which are continually becoming more numerous ...
— The Theories of Darwin and Their Relation to Philosophy, Religion, and Morality • Rudolf Schmid


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