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Books Bücher 1 - 5 von 5 in Dactyl&pterus, possess the power of sustaining true flight. The mechanism that lifts...
" Dactyl&pterus, possess the power of sustaining true flight. The mechanism that lifts the body of the fish from the water, and upholds it for a short time in the air, is obtained in the pectoral fins, which, in these animals, are enormously developed.... "
Bulletin - United States National Museum - Seite 31
von United States National Museum - 1892
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Monograph of the Bats of North America

H. Allen - 1864
...it. In addition to the instances already given, certain fishes, as the Exocoetus and Dactylopterus, possess the power of sustaining true flight. The mechanism...homologous to that of the anterior extremities of other vertebrates—their form alone being modified to adapt the animal to the medium in which it is placed....
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Smithsonian Miscellaneous Collections, Bände 6-7

Smithsonian Institution - 1867 - 43 Seiten
...seen In addition to the instances already given, certain fishes, as the Exocoetus and Dactylopierus, possess the power of sustaining true flight The mechanism...obtained in the pectoral fins, which, in these animals, arc enormously developed. The structure of those fins is homologous to that of the anterior extremities...
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Proceedings of the United States National Museum, Band 16

United States National Museum - 1894
...already given, certain fishes, as the Exoc(xtu» and Dactylopterm, possess the power of sustainig trim flight. The mechanism that lifts the body of the fish...modified to adapt the animal to the medium in which it is placd. Thus we have, in each great subdivision of vertebrate animals, a representative capable of sustaining...
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A Monograph of the Bats of North America

Harrison Allen - 1893 - 198 Seiten
...power of sustaining true flight. Thr mechanism that lifts the body of the fish from the water, arid upholds it for a short time in the air, is obtained...homologous to that of the anterior extremities of other vertebrares, their form alone being modified to adapt the animal to the medium in which it is placed....
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Smithsonian Miscellaneous Collections

Smithsonian Institution - 1867 - 85 Seiten
...portions. In addition to the instances already given, certain fishes, as the Exoccp.tus and Dactijloplerus, possess the power of sustaining true flight. The mechanism...obtained in .the pectoral fins, which, in these animals, arc enormously developed. The structure of these fins is homologous to that of the anterior extremities...
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