Showing 1 - 7 results of 7 for search 'Hermann August Hagen', query time: 0.02s Refine Results
  1. 1
    Notes and Descriptions of Some North American Libellulina— Synopsis of Neuroptera Second Edition

    Notes and Descriptions of Some North American Libellulina— Synopsis of Neuroptera Second Edition by Hermann August Hagen

    Published 1890-01-01
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  2. 2
    The Yellow Fever Fly

    The Yellow Fever Fly by Hermann August Hagen

    Published 1880-01-01
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  3. 3
    The Female of Eutermes Rippertii

    The Female of Eutermes Rippertii by Hermann August Hagen

    Published 1889-01-01
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  4. 4
    Descriptions of Some North American Cordulina

    Descriptions of Some North American Cordulina by Hermann August Hagen

    Published 1890-01-01
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  5. 5
    Some Psocina of the United States

    Some Psocina of the United States by Hermann August Hagen

    Published 1881-01-01
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  6. 6
    The Tarsal and Antennal Characters of Psocidae

    The Tarsal and Antennal Characters of Psocidae by Hermann August Hagen

    Published 1883-01-01
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  7. 7
    Synopsis of the Odonata of North America. No. I

    Synopsis of the Odonata of North America. No. I by Hermann August Hagen

    Published 1889-01-01
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