By Thomas Belt, F.G.S.
Author of “Mineral Veins,” “The Glacial Period in North America,” etc. etc.
“It was his faith—perhaps is mine—
That life in all its forms is one,
And that its secret conduits run
Unseen, but in unbroken line,
From the great fountain-head divine,
Through man and beast, through grain and grass.”
Longfellow
[Dedication of the First Edition.]