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Updated: May 11, 2025
I knew that I was a good officer and sailor, and I didn't propose submitting to degradation and discharge because a lot of old, preglacial fossils had declared over two hundred years before that no man should cross thirty. Even while these thoughts were passing through my mind I was busy with the details of my duties.
Very likely preglacial man was similarly destitute of this art. Under the severe strain of the glacial conditions the weak and incapable doubtless succumbed to the cold and deficiency of food; the strong and capable survived, gained superior powers, devised new weapons and implements, and became adapted to a new and decidedly adverse situation.
However this be, we can be assured that primitive man was far more likely to widen his field of occupation through migration than any other animal, and may conjecture that he spread over Europe and Asia in the mild preglacial times, and perhaps even reached America, giving rise to the early man of that hemisphere.
THE GREAT LAKES. The basins of the Great Lakes are broad preglacial river valleys, warped by movements of the crust still in progress, enlarged by the erosive action of lobes of the continental ice sheets, and blockaded by their drift.
I can visualize the entire scene the apelike Grimaldi men huddled in their filthy caves; the huge pterodactyls soaring through the heavy air upon their bat-like wings; the mighty dinosaurs moving their clumsy hulks beneath the dark shadows of preglacial forests the dragons which we considered myths until science taught us that they were the true recollections of the first man, handed down through countless ages by word of mouth from father to son out of the unrecorded dawn of humanity."
BENEFITS OF GLACIATION. Like the driftless area, the preglacial surface over which the ice advanced seems to have been well dissected after the late Tertiary uplifts, and to have been carved in many places to steep valley slopes and rugged hills.
In many cases lakes are due to more than one cause, as where preglacial valleys have both been basined by the ice and blockaded by its moraines. The Finger lakes of New York, for example, occupy such glacial troughs.
We usually know nothing of the geographical varieties of the Pleistocene and Pliocene species, least of all, those successive changes of form which they must have undergone in the preglacial epoch between the Upper Miocene and Pleistocene eras.
Leave behind the turning mill wheel, American, and come into the Avenue de Choisy, where over a preglacial store a couple of cornets baffle the night and set a hundred feet in motion, feet from the Gobelin quarter, feet from the Butte-aux-Cailles! More leathery feet, to be sure, than the suéde feet of the Ziegfeld Montmartre, but kicking up a different wax dust, the wax dust of a different Paris.
And man found gold in these prehistoric, perhaps preglacial, creek beds. However this may be, there was no possible scientific way of knowing how the gold-bearing area would run. A fortune might come out of one claim of a hundred feet and its next-door neighbour might not yield an atom of gold.
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