"Silurian period" Quotes from Famous Books
 ... of, possibly millions of years before Neolithic man had even a back cave to offer with the remains of last night's supper for the cockroach of the period to enjoy. His discovery established the fact that in the Silurian period there were insects, though, as the only piece of his remains found was a wing, there has been room for dispute as to the exact species. Mr. Goss in his preface to the second edition of his book notes that what is probably a still older insect has ...
— The Naturalist on the Thames • C. J. Cornish
... Gergovia. Eocene Volcanic Rocks of Monte Bolca. Trap of Cretaceous Period. Oolitic Period. Triassic Period. Permian Period. Carboniferous Period. Erect Trees buried in Volcanic Ash in the Island of Arran. Old Red Sandstone Period. Silurian Period. Cambrian Period. Laurentian ...
— The Student's Elements of Geology • Sir Charles Lyell
... wisely and boldly classes it among the "exact sciences," whose subject-matter is "flint instruments, incised bones, and a few rare specimens of human skulls and skeletons, the meaning of which has to be deciphered by skilled experts." [79] "The conclusions of geology," up to the Silurian period, "are approximate facts, ...
— The Faith of the Millions (2nd series) • George Tyrrell
... altogether extinct, a single specimen having been discovered about ten years ago in the West Indies. Even Pictet, in the second edition of his Paleontology, still considers Pleurotomaria as extinct, and as belonging to the fossiliferous formations which extend from the Silurian period to the Tertiary. Of the living species found at Marie Galante, nothing is known except the specific characteristics of the shell. We dredged it in one hundred and twenty fathoms, on the west side of Barbados, alive, ...
— Louis Agassiz: His Life and Correspondence • Louis Agassiz |
