 | William Gifford, Sir John Taylor Coleridge, John Gibson Lockhart, Whitwell Elwin, William Macpherson, William Smith, Sir John Murray IV, Rowland Edmund Prothero (Baron Ernle) - English literature - 1854 - 568 pages
...have assembled, from those ancient and now daeiccated marine sediments or repositories of primaeval creatures, examples of every group of purely aquatic...until we reach the highest zone of the Upper Silurian, ami are about to enter upon the Devonian, period. Even on that horizon the minute fossil fishes, long... | |
 | University magazine - 1854 - 788 pages
...years have failed to detect the trace of a lish, «mill the multitudes of all other marine lii-ings, in the various sediments which constitute the chief...are the lowest in the scale of the great division, ver/efmita, we нге unable to perceive a vestige until we reach the highest zone of the Upper Silurian,... | |
 | 1854 - 632 pages
...purely aquatic animals excepting fishes, not a trace of which has, according to our author, been found in the "various sediments which constitute the chief mass of the Silurian rocks." They occur, for the first time, in the highest zone of the upper Silurian, close to the lowest member... | |
 | Dominick McCausland - Bible and geology - 1856 - 248 pages
...multiplied researches of the last twenty years have failed to detect the trace of a fish, amid the multitude of all other marine beings in the various sediments...which constitute the chief mass of the Silurian rocks. . . The Silurian, except at its close, was, therefore, a series in which there appeared no example... | |
 | Dominick McCausland - Bible and geology - 1858 - 258 pages
...multiplied researches of the last twenty years have failed to detect the trace of a fish, amid the multitude of all other marine beings, in the various sediments...which constitute the chief mass of the Silurian rocks. . . . The Silurian, except at its close, was therefore a series in which there appeared no example... | |
 | Ireland - 1854 - 800 pages
...ashes. The multiplied researches of the last twenty years have failed to detect the trace of a rbh, nmid the multitudes of all other marine beings, in the...are the lowest in the scale of the great division, vertébrala, we are unable to perceive a vestige until we reach the highest zone of the Upper Silurian,... | |
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Of these, though they are the lowest in the scale of the great division vertebrata, we are unable to perceive a vestige until we reach the highest zone of the Upper Silurian, and are about to enter upon the Devonian period. Even on that horizon, the minute... 