"Glacial period" Quotes from Famous Books
 ... wide experience, Charles Dixon,[237] and refreshing to read, since it is packed with facts, is Lamarckian throughout. The chief factor in the formation of local species is, he thinks, isolation; the others are climatic influences (especially the glacial period), use and disuse, and sexual selection as well as chemical agency. Dixon insists on the "vast importance of isolation in the modification of many forms of life, without the assistance of natural selection." ...
— Lamarck, the Founder of Evolution - His Life and Work • Alpheus Spring Packard
... in regard to the geological periods of our planet consider that the Glacial Epoch began about two hundred and forty thousand, and ended about eighty thousand, years ago. Traces of the existence of men in North America during that glacial period have been found in abundance, and make it probable that a human population existed, toward the close of that era, all the way from the Atlantic Coast to the Upper Mississippi Valley. Where these men of the Ice Age originally came from is a matter of conjecture; but it seems probable ...
— John L. Stoddard's Lectures, Vol. 10 (of 10) - Southern California; Grand Canon of the Colorado River; Yellowstone National Park • John L. Stoddard
... the music, Quiet, The glacial period renewed, Monsters on earth, A mad conflagration ...
— Precipitations • Evelyn Scott
... is quite different from the character of the stone in the neighbourhood. These were carried down by the glaciers from higher elevations, and deposited, when the ice melted, in the lower valleys. Hence in this glacial period the condition of the country was very different from what it ...
— English Villages • P. H. Ditchfield
... for the varieties of plants in Britain, it is assumed that, during the glacial period, when the tops of our mountains were mere islands in a great sea, under which lay the greater part of modern Europe, they were then peopled by the arctic and alpine species, which now inhabit them. Then came an upheaval; a vast tract of land rose above the water, ...
— Chambers's Edinburgh Journal, No. 438 - Volume 17, New Series, May 22, 1852 • Various
... picturesque ravine, we emerged upon an immense desolate plateau of lava, that stretched away for miles and miles like a great stony sea. A more barren desert you cannot conceive. Innumerable boulders, relics of the glacial period, encumbered the track. We could only go at a foot-pace. Not a blade of grass, not a strip of green, enlivened the prospect, and the only sound we heard was the croak of the curlew and the wail of the plover. Hour ...
— Letters From High Latitudes • The Marquess of Dufferin (Lord Dufferin)
... during the Glacial period, I throw in your teeth your own facts, at the base of the Himalaya, on the possibility of the co-existence of at least forms of the tropical and temperate regions. I can give a parallel case for animals in Mexico. Oh! my dearly beloved puny child, how ...
— The Life and Letters of Charles Darwin, Volume II • Francis Darwin |
