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Page 7265, results 181601 - 181625

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Publication Extents

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The flora of the Catahoula Sandstone
Edward Wilber Berry
1916, Report, The Catahoula Sandstone; and The flora of the Catahoula Sandston; Professional Paper 98-M
During the progress of my studies of the fossil floras of the Gulf Coastal Plain, embracing all horizons from the Lower Cretaceous to the Pleistocene and prosecuted under the general direction of T. Wayland Vaughan, material representing the floras of all the major stratigraphic units in the area extending from...
The inorganic constituents of echinoderms
F. W. Clarke, W. C. Wheeler
1915, Professional Paper 90-L
In a recent paper on the composition of crinoid skeletons we showed that crinoids contain large quantities of magnesia, and that its proportion varies with the temperature of the water in which the creatures live. This result was so novel and surprising that it seemed desirable to examine other echinoderms...