Из пројекта Википедија
Description |
Picture of Stromatoporoids fossil
Fig. 79.—a, Part of the under surface of Stromatopora tuberculata, showing the wrinkled basement membrane and the openings of water-canals, of the natural size; b, Portion of the upper surface of the same, enlarged; c, Vertical section of a fragment, magnified to show the internal structure. Corniferous Limestone, Canada. (Original.)
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Source |
Projekt Gutenberg http://www.gutenberg.org/etext/14279 The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science
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Date |
1877
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Author |
Nicholson, Henry Alleyne, 1844-1899
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Permission |
Public DOmain (from Projekt Gutenberg)
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This image comes from the Project Gutenberg archives. This is an image that has come from a book or document for which the American copyright has expired and this image is in the public domain in the United States and possibly other countries. |
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