Experiments concerning the sexual differ
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Lutz, Frank E.
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Article
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1913
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John Wiley and Sons
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English
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Two of the forms of the fruit fly, Drosophila ampelophila, which have been isolated recently by Prof. T. H. Morgan are distinguished from the normal by lesser wing length. One, called 'wingless' in Professor Morgan's papers, really possesses vestiges of wings which appear to consist largely of modif