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Books Books 1 - 5 of 5 on On attaining to two and one-half to three inches in diameter, costae, nodes, and....  
" On attaining to two and one-half to three inches in diameter, costae, nodes, and keel becoming more prominent, the latter being strongly compressed and deeply and largely scalloped, with divisions rounded in outline ; while, at this stage of growth, the... "
The University Geological Survey of Kansas - Page 463
1898
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The Colorado Formation and Its Invertebrate Fauna, Volume 8, Issue 106

Timothy William Stanton - Geology, Stratigraphic - 1893 - 288 pages
...nodes nearest it to assume their compressed form and parallel arrangement. On attaining to 2J to 3 inches in diameter, costae, nodes, and keel becoming...prominence of the row of nodes on either side of the same. Costag, when the shell has attained a diameter of 4 inches, much depressed in the middle, with the...
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Bulletin - United States Geological Survey, Issues 103-110

Geological Survey (U.S.) - Geology - 1893
...their compressed form and parallel arrangement. On attaining to L'J to 3 inches in diameter, costo?, nodes, and keel becoming more prominent, the latter...prominence of the row of nodes on either side of the same. Costa?, when the shell has attained a diameter of 4 inches, much depressed in the middle, with the...
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Reports, Volume 4

Kansas Geological Survey - Geology - 1898
...form and parallel arrangement. On attaining to two and one-half to three inches in diameter, costsc, nodes, and keel becoming more prominent, the latter...prominence of the row of nodes on either side of the same. Costae, when the shell has attained a diameter of four inches, much depressed in the middle, with the...
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Publication: Geological series

Geology - 1902
...arrangement. On attaining to two and one-half to three inches in diameter, costae, nodes and keel become more prominent, the latter being strongly compressed...prominence of the row of nodes on either side of the same. Costa1, when the shell has attained a diameter of four inches much depressed in the middle, with the...
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Publication: Geological series

Geology - 1902
...arrangement. On attaining to two and one-half to three inches in diameter, costae, nodes and keel become more prominent, the latter being strongly compressed...prominence of the row of nodes on either side of the same. Costas, when the shell has attained a diameter of four inches much depressed in the middle, with the...
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