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    Additional Experiments with Pyrameis carye (Lepid.)

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    Subject
    Lepidoptera; aberration; seasonal form; temperature variation; pupa
    Author
    Schrader, Wilhelm
    Journal Title
    Scas: Bulletin of the Southern California Academy of Sciences
    Volume
    28
    Issue
    scas/vol28/iss2; 2
    Metadata
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    URI
    https://scholar.oxy.edu/handle/20.500.12711/11171
    Abstract
    <br />Every experienced lepidopterist knows that localities in which there are extreme variations in temperatures tend to produce seasonal forms of certain species of butterflies. In my breeding experiments I find that the same thermic factor is operative in the production of aberrant forms : for example — butterfly larvae which have been raised in a cool environment, and after pupation are subjected to very hot temperature, produce the greatest percentage of aberrations.
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