The National Geographic Magazine, Volume 81National Geographic Society, 1942 - Geography Indexes kept up to date with supplements. |
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Page 143
... animal groups and thus simplified the study of prehistoric animals as well , since many of them seemed to fall into the same classifications . After long eclipse in the Middle Ages the torch of true scientific concentration was raised ...
... animal groups and thus simplified the study of prehistoric animals as well , since many of them seemed to fall into the same classifications . After long eclipse in the Middle Ages the torch of true scientific concentration was raised ...
Page 167
... animals buried in the hot dry sand of the vanished Eocene lake bed . One of the largest and most characteristic of these animals is known as Arsinoitherium , in honor of the old - time Egyptian queen . This primitive and unique order of ...
... animals buried in the hot dry sand of the vanished Eocene lake bed . One of the largest and most characteristic of these animals is known as Arsinoitherium , in honor of the old - time Egyptian queen . This primitive and unique order of ...
Page 183
... animals ranged over all the United States . Their massive teeth were capable of crushing big bones . This Big Tortoise Roamed the Lakes and Rivers of New. able to look after himself in the cold , wet , and ployed in these famous ...
... animals ranged over all the United States . Their massive teeth were capable of crushing big bones . This Big Tortoise Roamed the Lakes and Rivers of New. able to look after himself in the cold , wet , and ployed in these famous ...
Contents
Sun Shines on San Diego 9 illustrations in color from naturalcolor photographs | 57 |
Taming Flood Dragons Along Chinas Hwang Ho River By OLIVER J TODD | 205 |
Alumina | 462 |
Copyright | |
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