 Consequently, 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 than, the whole interval from the Silurian age to the present day; and that during these...  The Darwinian Theory of the Transmutation of Species - Page 170by Robert Mackenzie Beverley - 1867 - 386 lehteFull view - About this book
 | Edinburgh Geological Society - 1893 - 404 lehte
...fossiliferous strata. — This is a much graver difficulty, in his opinion. If Darwin's theory be true, it is indisputable that before the lowest Silurian stratum...of time, the world swarmed with living creatures. To the question, Why we do not find records of these vast primordial periods, Darwin admits he can... | |
 | Smithsonian Institution. Board of Regents - 1894 - 1040 lehte
...his theory of the origin of species is true, “ it is indisputable that before the lowest Cambrian stratum was deposited, long periods elapsed, as long as, or probably far longer than, time whole interval from time Cambrian age to time prosent day ; and that during these vast periods... | |
 | Robert G. Wesson, Robert Wesson - 1993 - 382 lehte
...periods elapsed, as long as or probably longer than the whole interval from the Cambrium age to this day, and that during these vast, yet quite unknown periods of time, the world swarmed with living [multicellular] creatures" (Darwin 1960, 331). The record of plants is even more discontinuous than... | |
 | Michael Anthony Corey - 1994 - 452 lehte
...Fossil Record If the [evolutionary] theory be true, it is indisputable that before the lowest Cambrian stratum was deposited long periods elapsed, as long...probably far longer than, the whole interval from the Cambrian age to the present day; and that during these vast periods the world swarmed with living creatures.... | |
 | Charles Darwin - 1998 - 486 lehte
...numerous and improved descendants. Consequendy, if my theory be true, it is indisputable dial before die lowest Silurian stratum was deposited, long periods...probably far longer than, the whole interval from die Silurian age to the present day; and that during diese vast, yet quite unknown, periods of time,... | |
 | Michael Ruse - 2001 - 362 lehte
...my theory be true, it is indisputable that before the lowest Silurian [today, called the Cambrian] stratum was deposited, long periods elapsed, as long...of time, the world swarmed with living creatures. To the question why we do not find records of these vast primordial periods, I can give no satisfactory... | |
 | Charles Darwin - 2003 - 676 lehte
...exterminated by their numerous and improved descendants. Consequently, if my theory be true, it is indisputable that before the lowest Silurian stratum...of time, the world swarmed with living creatures. To the question why we do not find records of these vast primordial periods, I can give no satisfactory... | |
 | Andrew H. Knoll - 2003 - 300 lehte
...passage, Darwin insisted that if my theory be true, it is indisputable that before the lowest Silurian2 stratum was deposited, long periods elapsed, as long as, or probably far longer 2 In the mid-nineteenth century, debate about how to define and differentiate the Cambrian and Silurian... | |
 | Jan Sapp - 2003 - 388 lehte
...fossils to be a grave difficulty for his theory of evolution: Consequently, if my theory be true, it is indisputable that before the lowest Silurian stratum was deposited, long periods elapsed . . . and that during these vast, yet quite unknown, periods of time, the world swarmed with living... | |
 | Antony Latham - 2005 - 552 lehte
...there were none at all seen before. He said, in The Origin Of Species: If my theory be true, it is indisputable that before the lowest Silurian stratum...unknown periods of time, the world swarmed with living creatures.1 He believed, quite rightly, that if his theory was to stand, the fossil record would one... | |
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