 | 1860 - 860 pages
...animal. And again (p. 307)— If my theory be true, it is indisputable that before the lowest silurian stratum was deposited, long periods elapsed, as long as, or probably far longer thaii, the whole interval from the silurian age to the present day ; and that during these vast yet... | |
 | Charles Darwin - 1861 - 470 pages
...descendants. Consequently, if my theory be true, it is indisputable that before the lowest Silurian stratum was deposited, long periods elapsed, as long...probably far longer than, the whole interval from the Silurian age to the present day ; and that during these vast, yet quite unknown, periods of time, the... | |
 | robert scott burn - 1861 - 738 pages
...statements as the following : " If my tlreory he true, it is indisputable that before the lowest silurian stratum was deposited long periods elapsed, as long...probably far longer than, the whole interval from the silurian age to the present day; and that, during these vast, yet quite unknown periods of time, the... | |
 | William Lonsdale Watkinson, William Theophilus Davison - 1873 - 552 pages
...system, down through the carboniferous, to the Cambrian ! And yet he says, "if the theory be true, it is indisputable that before the lowest Cambrian...deposited long periods elapsed, as long as or probably longer than the whole internal from the Cambrian age to the present day."t Now it is well known that,... | |
 | John Nash Griffin - 1862 - 354 pages
...Darwin admits that if his hypothesis be true, " *It is indisputable that, before the lowest Silurian stratum was deposited, long periods elapsed, as long...probably far longer, than the whole interval from the Silurian age to the present day, and that during these vast and quite unknown periods of time, the... | |
 | Bourchier Wrey Savile - 1863 - 338 pages
...his masterly work " On the Origin of Species," " it is indisputable that before the lowest Silurian stratum was deposited, long periods elapsed, — as long as, or probably far longer than, the Silurian age to the present day; and that, during these vast, yet quite unknown periods of time, the... | |
 | Charles Darwin - 1864 - 472 pages
...descendants. Consequently, if my theory be true, it is indisputable that before the lowest Silurian stratum was deposited, long periods elapsed, as long...probably far longer than, the whole interval from the Silurian age to the present day ; and that during these vast, yet quite unknown, periods of time, the... | |
 | Robert Mackenzie Beverley - 1867 - 406 pages
...night. ' If my theory be true,' says Mr Darwin, ' it is indisputable that before the lowest Silurian stratum was deposited, long periods elapsed, as long...probably far longer than, the whole interval from the Silurian age to the present day ; and that during these vast, yet quite unknown, periods of time, the... | |
 | Robert Mackenzie Beverley - 1867 - 424 pages
...trying to livef where it * ' If my Theory be true, it is indisputable that before the lowest Silurian stratum was deposited, long periods elapsed, as long...probably far longer than, the whole interval from the Silurian age to the present day, and that during these vast, yet quite unknown periods of time, the... | |
 | David Thomas Ansted - 1867 - 522 pages
...find him remarking that if his theory be true, " it is indisputable that before the lowest silurian stratum was deposited, long periods elapsed, — as long as, or probably far longer than the whole period from the silurian age to the present day ; and that during these vast, yet quite unknown periods... | |
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Consequently, if the theory be true, it is indisputable that before the lowest Cambrian stratum was deposited long periods elapsed, as long as, or probably far longer than, the whole interval from the Cambrian age to the present day ; and that during... 
