Silurian Quotes

4 quotes by 3 authors

• The Silurian Period-the grandest of all the Periods,-and, as yet, apparently the seed-time of all succeeding life. — John Jeremiah Bigsby
• 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… — Charles Darwin
• The several difficulties here discussed, namely our not finding in the successive formations infinitely numerous transitional links between the many species which now exist or… — Charles Darwin
• In the space of one hundred and seventy-six years the Mississippi has shortened itself two hundred and forty-two miles. Therefore, in the Old Silurian Period… — Mark Twain

Who Wrote These Silurian Quotes

3 authors contributed a total of 4 Silurian Quotes as follows:

• 2 Silurian Quotes by Charles Darwin
• 1 Silurian Quote by John Jeremiah Bigsby
• 1 Silurian Quote by Mark Twain