John Jeremiah Bigsby Quote

The Silurian Period-the grandest of all the Periods,-and, as yet, apparently the seed-time of all succeeding life.


Thesaurus Siluricus. The flora and fauna of the Silurian period (ed. 1868)


The Silurian Period-the grandest of all the Periods,-and, as yet, apparently the seed-time of all succeeding life.

The Silurian Period-the grandest of all the Periods,-and, as yet, apparently the seed-time of all succeeding life.

The Silurian Period-the grandest of all the Periods,-and, as yet, apparently the seed-time of all succeeding life.

The Silurian Period-the grandest of all the Periods,-and, as yet, apparently the seed-time of all succeeding life.