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An Illustrated and Cross-Referenced Glossary of Malacological and Conchological Terms |
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| by Paul S. Mikkelsen | |||
| Term | Definition |
| LOGARITHMIC SPIRAL | The kind of spiral exemplified by the shell WHORLS of the chambered nautilus; the kind of spiral formed by the rolling up of a cone, as distinct from one formed by the rolling up of a coil of rope; see also: COILING. | |
| Copyright ©Paul S. Mikkelsen, All Rights Reserved | Return to Home Page | Return to Top | Over 1700 Terms in the Glossary! |