Variety of Forms
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Turritella communis, many-whorled shell of tower snail
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X-ray image of Turritella
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Shell of marine cowry snail - Cypraea nebrites
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X-ray image of Cypraea
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X-ray image of the shell of Tonna galea
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Charonia
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Murex pecten
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Thin section in plane-polarized light of microscopic gastropod shell, from Holocene lagoonal sediment of Rice Bay, San Salvador Island, Bahamas. Scale bar 500 microns.
Read more about this topic: Gastropod Shell
Famous quotes containing the words variety of, variety and/or forms:
“To invent without scruple a new principle to every new phenomenon, instead of adapting it to the old; to overload our hypothesis with a variety of this kind, are certain proofs that none of these principles is the just one, and that we only desire, by a number of falsehoods, to cover our ignorance of the truth.”
—David Hume (17111776)
“In the tale properwhere there is no space for development of character or for great profusion and variety of incidentmere construction is, of course, far more imperatively demanded than in the novel.”
—Edgar Allan Poe (18091849)
“The moment a person forms a theory, his imagination sees in every object only the tracts which favor that theory.”
—Thomas Jefferson (17431826)