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" It has been suggested," observes the same philosophic writer, "that, as in our own times, the northern animals migrate, so the Siberian Elephant and Rhinoceros may have wandered towards the north in summer." In making such excursions during the heat of... "
The New Monthly Magazine and Humorist - Σελίδα 635
1845
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American Journal of Science and Arts, Τόμος 54

1847 - 490 σελίδες
...existence. " It has been suggested," observes the same philosophic writer, "that, as in our own times, the northern animals migrate, so the Siberian Elephant...north in summer." In making such excursions during the SXCORD SERIIS, Vol. IV, No. 10.— July, 1847. 3 heat of that brief season, the Mammoths would be arrested...

The American Journal of Science and Arts

1847 - 492 σελίδες
...existence. " It has been suggested," observes the same philosophic writer, " that, as in our own times, the northern animals migrate, so the Siberian Elephant...north in summer." In making such excursions during the SECOND SERIES, Vol. IV, No. 10.— July, 1847. 3 heat of that brief season, the Mammoths would be arrested...

Principles of geology, Τόμος 1

sir Charles Lyell (bart.) - 1835 - 440 σελίδες
...marine shells and fossil bones now occur in Siberia. It has been suggested, that as, in our own times, the northern animals migrate, so the Siberian elephant...rhinoceros may have wandered towards the north in summer. The musk oxen annually desert their winter quarters in the south, and cross the sea upon the ice, to...

Principles of Geology: Being an Inquiry how Far the Former Changes ..., Τόμος 1

Sir Charles Lyell - 1837 - 568 σελίδες
...marine shells and fossil bones now occur in Siberia. It has been suggested, that as, in our own times, the northern animals migrate, so the Siberian elephant...rhinoceros may have wandered towards the north in summer. The musk oxen annually desert their winter-quarters in the south, and cross the sea upon the ice, to...

A History of British Fossil Mammals, and Birds

Richard Owen - 1846 - 624 σελίδες
...existence. " It has been suggested," observes the same philosophic writer, "that, as in our own times, the northern animals migrate, so the Siberian Elephant...progress by a condition to which the Rein-deer and Musk Ox are not subject, viz., the limits of arboreal vegetation, which, however, as represented by...

A History of British Fossil Mammals, and Birds

Richard Owen - 1846 - 630 σελίδες
...writer, "that, as in our own times, the northern animals migrate, so the Siberian Elephant and Ehinoceros may have wandered towards the north in summer." In...progress by a condition to which the Rein-deer and Musk Ox are not subject, viz., the limits of arboreal vegetation, which, however, as represented by...

The American Journal of Science and Arts

1847 - 490 σελίδες
...existence. " It has been suggested," observes the same philosophic writer, " that, as in our own times, the northern animals migrate, so the Siberian Elephant...north in summer." In making such excursions during the BICOKD SIBIZS, Vol. IV, No. 10.— July, 1847. 3 heat of that brief season, the Mammoths would be arrested...

The Geological Observer

Henry Thomas De La Beche - 1851 - 752 σελίδες
...in regions covered during a part of the year with snow." — p. 267. season (the northern summer), the mammoths would be arrested in their northern progress...vegetation, which, however, as represented by the diminutive shrubs of Polar lands, would allow them to reach the seventieth degree of latitude. With...

The Geological Observer

Henry Thomas De La Beche - 1851 - 718 σελίδες
...in regions covered during a part of the year with snow." — p. 267. season (the northern summer), the mammoths would be arrested in their northern progress by a condition to which the reindeer and musk.ox arc not subject, viz., the limits of arboreal vegetation, which, however, as represented by the diminutive...

The Geological Observer

Henry Thomas De La Beche - 1851 - 888 σελίδες
...lived easily on the land considered to have been above water at this period. The Professor adds, " in making such excursions during the heat of that brief season (the northern summer), the mammoths would be arrested in their northern progress by a condition to which...




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