Science, Том 18American Association for the Advancement of Science, 1891 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Стр. 104
... vertebræ than their relatives living near the shore . In free swimming pelagic fishes the number of vertebræ is also greater than in the related shore fishes of the same regions . The fishes of the earlier geologi- cal periods have for ...
... vertebræ than their relatives living near the shore . In free swimming pelagic fishes the number of vertebræ is also greater than in the related shore fishes of the same regions . The fishes of the earlier geologi- cal periods have for ...
Стр. 105
... vertebræ . The Scopelida , Stomiatida , and other deep - sea analogues have from 40 up- wards in the few species in which the number has been counted . The group of Clupeidae is probably nearer the primi- tive stock of Isospondyli than ...
... vertebræ . The Scopelida , Stomiatida , and other deep - sea analogues have from 40 up- wards in the few species in which the number has been counted . The group of Clupeidae is probably nearer the primi- tive stock of Isospondyli than ...
Стр. 106
... vertebræ , while in the arctic genera the numbers range from 75 to 100 . The anacanthine fishes in whole or in part seem to have sprung from a blennioid stock . Of these the most specialized group is that of the flounders ...
... vertebræ , while in the arctic genera the numbers range from 75 to 100 . The anacanthine fishes in whole or in part seem to have sprung from a blennioid stock . Of these the most specialized group is that of the flounders ...
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