The National Geographic Magazine, Volume 109National Geographic Society, 1956 - Geography Indexes kept up to date with supplements. |
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Page 370
... tion , and was replaced by animal migrations from unknown regions and by independent creations . Lamarck , however , saw in the fossil record a continuous , purposeful progression of lower orders into higher . It remained for Darwin to ...
... tion , and was replaced by animal migrations from unknown regions and by independent creations . Lamarck , however , saw in the fossil record a continuous , purposeful progression of lower orders into higher . It remained for Darwin to ...
Page 447
... tion in an actual launching operation . With gyroscopic control devices the direc- tion of flight can be kept adjusted all dur- ing the phase of powered flight . But , of course , none of these control instruments works with absolute ...
... tion in an actual launching operation . With gyroscopic control devices the direc- tion of flight can be kept adjusted all dur- ing the phase of powered flight . But , of course , none of these control instruments works with absolute ...
Page 665
... tion - survey instruments would monitor the area where the vast , unseen cloud had settled . At the invitation of the Illinois Wing , I flew as an observer in a grimly realistic radio- logical training flight . Some hours earlier ...
... tion - survey instruments would monitor the area where the vast , unseen cloud had settled . At the invitation of the Illinois Wing , I flew as an observer in a grimly realistic radio- logical training flight . Some hours earlier ...
Contents
Wildlife Adventuring in Jackson Hole 1 | 103 |
Athens to İstanbul 37 | 139 |
Mauritius Island of the Dodo 77 | 179 |
Copyright | |
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